https://wiki.opensourceecology.org/index.php?action=history&feed=atom&title=Wiring_a_240V_Appliance 2026-04-10T06:48:15Z Revision history for this page on the wiki MediaWiki 1.39.13 https://wiki.opensourceecology.org/index.php?title=Wiring_a_240V_Appliance&diff=295797&oldid=prev 2024-04-27T07:27:23Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:27, 27 April 2024</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l7">Line 7:</td> <td colspan="2" class="diff-lineno">Line 7:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Does a 3-wire 240v circuit have a grounded neutral, or a ground that is neutralized?</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Does a 3-wire 240v circuit have a grounded neutral, or a ground that is neutralized?</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*&#039;&#039;&#039;Thus: is it safe to say that any 3-wire appliance is pure 240V no 120V?&#039;&#039;&#039;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*&#039;&#039;&#039;Thus: is it safe to say that any 3-wire appliance is pure 240V no 120V?&#039;&#039;&#039;</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*Note: if it says 3 wire or 4 wire is ok - then the device is pure 240, no 120. In the 4 wire case, you just disconnect the neutral, so you have pure 240. Ie, you are just running a 4 wire cable with 3 wires of the 4 available - so that functionally it is identical to the 3 wire case. [https://images.thdstatic.com/catalog/pdfImages/17/17ef4839-d585-4a00-bdf4-be80759b22b6.pdf]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*Note: if it says 3 wire or 4 wire is ok - then the device is pure 240, no 120. In the 4 wire case, you just disconnect the neutral, so you have pure 240. Ie, you are just running a 4 wire cable with 3 wires of the 4 available - so that functionally it is identical to the 3 wire case. <ins style="font-weight: bold; text-decoration: none;">This is an example of a device that does this: </ins>[https://images.thdstatic.com/catalog/pdfImages/17/17ef4839-d585-4a00-bdf4-be80759b22b6.pdf]<ins style="font-weight: bold; text-decoration: none;">. Manual is consistent in showing 3 working wires and describing the device as 240V only.</ins></div></td></tr> </table>

Marcin https://wiki.opensourceecology.org/index.php?title=Wiring_a_240V_Appliance&diff=295796&oldid=prev 2024-04-27T07:26:03Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:26, 27 April 2024</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l6">Line 6:</td> <td colspan="2" class="diff-lineno">Line 6:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*&lt;strike&gt;If you only have a 2 conductor + bare ground, mark the bare ground as a neutral and run it to the neutral of the main panel if you want 240V/120V. It is not clear whether codes allow this, or whether this is allowed with subpanels. [https://forums.mikeholt.com/threads/3-wire-stove-grounding.2556425/]&lt;/strike&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*&lt;strike&gt;If you only have a 2 conductor + bare ground, mark the bare ground as a neutral and run it to the neutral of the main panel if you want 240V/120V. It is not clear whether codes allow this, or whether this is allowed with subpanels. [https://forums.mikeholt.com/threads/3-wire-stove-grounding.2556425/]&lt;/strike&gt;</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Does a 3-wire 240v circuit have a grounded neutral, or a ground that is neutralized?</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Does a 3-wire 240v circuit have a grounded neutral, or a ground that is neutralized?</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*&#039;&#039;&#039;Thus: is it safe to say that any 3-wire appliance is pure 240V no 120V?</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*&#039;&#039;&#039;Thus: is it safe to say that any 3-wire appliance is pure 240V no 120V?<ins style="font-weight: bold; text-decoration: none;">&#039;&#039;&#039;</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*Note: if it says 3 wire or 4 wire is ok - then the device is pure 240, no 120. In the 4 wire case, you just disconnect the neutral, so you have pure 240. Ie, you are just running a 4 wire cable with 3 wires of the 4 available - so that functionally it is identical to the 3 wire case. [https://images.thdstatic.com/catalog/pdfImages/17/17ef4839-d585-4a00-bdf4-be80759b22b6.pdf]</ins></div></td></tr> </table>

Marcin https://wiki.opensourceecology.org/index.php?title=Wiring_a_240V_Appliance&diff=295795&oldid=prev 2024-04-27T07:11:48Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:11, 27 April 2024</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l4">Line 4:</td> <td colspan="2" class="diff-lineno">Line 4:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**See Spruce for difference between 3 wire and 4 wire installation [https://www.thespruce.com/installing-a-240-volt-circuit-breaker-1824649#:~:text=In%20a%20pure%20240%2Dvolt,or%20green%20insulated%20grounding%20wire.]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**See Spruce for difference between 3 wire and 4 wire installation [https://www.thespruce.com/installing-a-240-volt-circuit-breaker-1824649#:~:text=In%20a%20pure%20240%2Dvolt,or%20green%20insulated%20grounding%20wire.]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**But - older appliances which were 120/240v, not pure 240 - also had a 3-wire cord, and they combined ground with neutral. But that is no longer allowed as it appears to be less safe - for example if in a non-fault condition, the person has lower resistance than the ground. See [https://www.jadelearning.com/blog/3-wire-cords-on-modern-4-wire-appliances/#:~:text=In%20an%20existing%20installation%20(such,4%2Dwire%20cord%20and%20plug.]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**But - older appliances which were 120/240v, not pure 240 - also had a 3-wire cord, and they combined ground with neutral. But that is no longer allowed as it appears to be less safe - for example if in a non-fault condition, the person has lower resistance than the ground. See [https://www.jadelearning.com/blog/3-wire-cords-on-modern-4-wire-appliances/#:~:text=In%20an%20existing%20installation%20(such,4%2Dwire%20cord%20and%20plug.]</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*&lt;strike&gt;If you only have a 2 conductor + bare ground, mark the bare ground as a neutral and run it to the neutral of the main panel if you want 240V/120V. It is not clear whether codes allow this, or whether this is allowed with subpanels. [https://forums.mikeholt.com/threads/3-wire-stove-grounding.2556425/]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*&lt;strike&gt;If you only have a 2 conductor + bare ground, mark the bare ground as a neutral and run it to the neutral of the main panel if you want 240V/120V. It is not clear whether codes allow this, or whether this is allowed with subpanels. [https://forums.mikeholt.com/threads/3-wire-stove-grounding.2556425/]<ins style="font-weight: bold; text-decoration: none;">&lt;/strike&gt;</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Does a 3-wire 240v circuit have a grounded neutral, or a ground that is neutralized?</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Does a 3-wire 240v circuit have a grounded neutral, or a ground that is neutralized?</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*&#039;&#039;&#039;Thus: is it safe to say that any 3-wire appliance is pure 240V no 120V?</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*&#039;&#039;&#039;Thus: is it safe to say that any 3-wire appliance is pure 240V no 120V?</div></td></tr> </table>

Marcin https://wiki.opensourceecology.org/index.php?title=Wiring_a_240V_Appliance&diff=295794&oldid=prev 2024-04-27T07:11:34Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:11, 27 April 2024</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l4">Line 4:</td> <td colspan="2" class="diff-lineno">Line 4:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**See Spruce for difference between 3 wire and 4 wire installation [https://www.thespruce.com/installing-a-240-volt-circuit-breaker-1824649#:~:text=In%20a%20pure%20240%2Dvolt,or%20green%20insulated%20grounding%20wire.]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**See Spruce for difference between 3 wire and 4 wire installation [https://www.thespruce.com/installing-a-240-volt-circuit-breaker-1824649#:~:text=In%20a%20pure%20240%2Dvolt,or%20green%20insulated%20grounding%20wire.]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**But - older appliances which were 120/240v, not pure 240 - also had a 3-wire cord, and they combined ground with neutral. But that is no longer allowed as it appears to be less safe - for example if in a non-fault condition, the person has lower resistance than the ground. See [https://www.jadelearning.com/blog/3-wire-cords-on-modern-4-wire-appliances/#:~:text=In%20an%20existing%20installation%20(such,4%2Dwire%20cord%20and%20plug.]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**But - older appliances which were 120/240v, not pure 240 - also had a 3-wire cord, and they combined ground with neutral. But that is no longer allowed as it appears to be less safe - for example if in a non-fault condition, the person has lower resistance than the ground. See [https://www.jadelearning.com/blog/3-wire-cords-on-modern-4-wire-appliances/#:~:text=In%20an%20existing%20installation%20(such,4%2Dwire%20cord%20and%20plug.]</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*If you only have a 2 conductor + bare ground, mark the bare ground as a neutral and run it to the neutral of the <del style="font-weight: bold; text-decoration: none;">subpanel </del>if you want 240V/120V. It is not clear whether codes allow this. [https://forums.mikeholt.com/threads/3-wire-stove-grounding.2556425/]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*<ins style="font-weight: bold; text-decoration: none;">&lt;strike&gt;</ins>If you only have a 2 conductor + bare ground, mark the bare ground as a neutral and run it to the neutral of the <ins style="font-weight: bold; text-decoration: none;">main panel </ins>if you want 240V/120V. It is not clear whether codes allow this<ins style="font-weight: bold; text-decoration: none;">, or whether this is allowed with subpanels</ins>. [https://forums.mikeholt.com/threads/3-wire-stove-grounding.2556425/]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Does a 3-wire 240v circuit have a grounded neutral, or a ground that is neutralized?</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Does a 3-wire 240v circuit have a grounded neutral, or a ground that is neutralized?</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*&#039;&#039;&#039;Thus: is it safe to say that any 3-wire appliance is pure 240V no 120V?</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*&#039;&#039;&#039;Thus: is it safe to say that any 3-wire appliance is pure 240V no 120V?</div></td></tr> </table>

Marcin https://wiki.opensourceecology.org/index.php?title=Wiring_a_240V_Appliance&diff=295793&oldid=prev 2024-04-27T07:10:30Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:10, 27 April 2024</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l4">Line 4:</td> <td colspan="2" class="diff-lineno">Line 4:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**See Spruce for difference between 3 wire and 4 wire installation [https://www.thespruce.com/installing-a-240-volt-circuit-breaker-1824649#:~:text=In%20a%20pure%20240%2Dvolt,or%20green%20insulated%20grounding%20wire.]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**See Spruce for difference between 3 wire and 4 wire installation [https://www.thespruce.com/installing-a-240-volt-circuit-breaker-1824649#:~:text=In%20a%20pure%20240%2Dvolt,or%20green%20insulated%20grounding%20wire.]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**But - older appliances which were 120/240v, not pure 240 - also had a 3-wire cord, and they combined ground with neutral. But that is no longer allowed as it appears to be less safe - for example if in a non-fault condition, the person has lower resistance than the ground. See [https://www.jadelearning.com/blog/3-wire-cords-on-modern-4-wire-appliances/#:~:text=In%20an%20existing%20installation%20(such,4%2Dwire%20cord%20and%20plug.]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**But - older appliances which were 120/240v, not pure 240 - also had a 3-wire cord, and they combined ground with neutral. But that is no longer allowed as it appears to be less safe - for example if in a non-fault condition, the person has lower resistance than the ground. See [https://www.jadelearning.com/blog/3-wire-cords-on-modern-4-wire-appliances/#:~:text=In%20an%20existing%20installation%20(such,4%2Dwire%20cord%20and%20plug.]</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*If you only have a 2 conductor + bare ground, mark the bare ground as a neutral and run it to <del style="font-weight: bold; text-decoration: none;">ground</del>. [https://forums.mikeholt.com/threads/3-wire-stove-grounding.2556425/]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*If you only have a 2 conductor + bare ground, mark the bare ground as a neutral and run it to <ins style="font-weight: bold; text-decoration: none;">the neutral of the subpanel if you want 240V/120V. It is not clear whether codes allow this</ins>. [https://forums.mikeholt.com/threads/3-wire-stove-grounding.2556425/]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Does a 3-wire 240v circuit have a grounded neutral, or a ground that is neutralized?</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Does a 3-wire 240v circuit have a grounded neutral, or a ground that is neutralized?</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*&#039;&#039;&#039;Thus: is it safe to say that any 3-wire appliance is pure 240V no 120V?</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*&#039;&#039;&#039;Thus: is it safe to say that any 3-wire appliance is pure 240V no 120V?</div></td></tr> </table>

Marcin https://wiki.opensourceecology.org/index.php?title=Wiring_a_240V_Appliance&diff=295792&oldid=prev 2024-04-27T07:08:50Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:08, 27 April 2024</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>{{Hint|There are 2 distinctions - old appliances, and pure 240V systems - which used 3 wire plugs. The former is no longer allowed}}</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>{{Hint|There are 2 distinctions - old appliances, and pure 240V systems - which used 3 wire plugs. The former is no longer allowed<ins style="font-weight: bold; text-decoration: none;">, and was replaced with a 4-wire plug</ins>}}</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*This one has a ground and 2 hots on a modern appliance. With 3 wires, it means it has 240v only, but not 120v. [https://youtu.be/zzk7QUKqfEs?t=400]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*This one has a ground and 2 hots on a modern appliance. With 3 wires, it means it has 240v only, but not 120v. [https://youtu.be/zzk7QUKqfEs?t=400]</div></td></tr> </table>

Marcin https://wiki.opensourceecology.org/index.php?title=Wiring_a_240V_Appliance&diff=295790&oldid=prev 2024-04-27T07:08:23Z

<p>Marcin moved page <a href="/wiki/Wiring_a_240V_Oven" class="mw-redirect" title="Wiring a 240V Oven">Wiring a 240V Oven</a> to <a href="/wiki/Wiring_a_240V_Appliance" title="Wiring a 240V Appliance">Wiring a 240V Appliance</a></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <tr class="diff-title" lang="en"> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:08, 27 April 2024</td> </tr><tr><td colspan="2" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr></table>

Marcin https://wiki.opensourceecology.org/index.php?title=Wiring_a_240V_Appliance&diff=295789&oldid=prev 2024-04-27T07:07:45Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:07, 27 April 2024</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l6">Line 6:</td> <td colspan="2" class="diff-lineno">Line 6:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*If you only have a 2 conductor + bare ground, mark the bare ground as a neutral and run it to ground. [https://forums.mikeholt.com/threads/3-wire-stove-grounding.2556425/]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*If you only have a 2 conductor + bare ground, mark the bare ground as a neutral and run it to ground. [https://forums.mikeholt.com/threads/3-wire-stove-grounding.2556425/]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Does a 3-wire 240v circuit have a grounded neutral, or a ground that is neutralized?</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Does a 3-wire 240v circuit have a grounded neutral, or a ground that is neutralized?</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*&#039;&#039;<del style="font-weight: bold; text-decoration: none;">&quot;</del>Thus: is it safe to say that any 3-wire appliance is pure 240V no 120V?</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*&#039;&#039;<ins style="font-weight: bold; text-decoration: none;">&#039;</ins>Thus: is it safe to say that any 3-wire appliance is pure 240V no 120V?</div></td></tr> </table>

Marcin https://wiki.opensourceecology.org/index.php?title=Wiring_a_240V_Appliance&diff=295788&oldid=prev 2024-04-27T07:07:35Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:07, 27 April 2024</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{Hint|There are 2 distinctions - old appliances, and pure 240V systems - which used 3 wire plugs. The former is no longer allowed}}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{Hint|There are 2 distinctions - old appliances, and pure 240V systems - which used 3 wire plugs. The former is no longer allowed}}</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*This one has a ground and 2 hots. With 3 wires, it means it has 240v only, but not 120v. [https://youtu.be/zzk7QUKqfEs?t=400]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*This one has a ground and 2 hots <ins style="font-weight: bold; text-decoration: none;">on a modern appliance</ins>. With 3 wires, it means it has 240v only, but not 120v. [https://youtu.be/zzk7QUKqfEs?t=400]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**See Spruce for difference between 3 wire and 4 wire installation [https://www.thespruce.com/installing-a-240-volt-circuit-breaker-1824649#:~:text=In%20a%20pure%20240%2Dvolt,or%20green%20insulated%20grounding%20wire.]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**See Spruce for difference between 3 wire and 4 wire installation [https://www.thespruce.com/installing-a-240-volt-circuit-breaker-1824649#:~:text=In%20a%20pure%20240%2Dvolt,or%20green%20insulated%20grounding%20wire.]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**But - older appliances which were 120/240v, not pure 240 - also had a 3-wire cord, and they combined ground with neutral. But that is no longer allowed as it appears to be less safe - for example if in a non-fault condition, the person has lower resistance than the ground. See [https://www.jadelearning.com/blog/3-wire-cords-on-modern-4-wire-appliances/#:~:text=In%20an%20existing%20installation%20(such,4%2Dwire%20cord%20and%20plug.]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>**But - older appliances which were 120/240v, not pure 240 - also had a 3-wire cord, and they combined ground with neutral. But that is no longer allowed as it appears to be less safe - for example if in a non-fault condition, the person has lower resistance than the ground. See [https://www.jadelearning.com/blog/3-wire-cords-on-modern-4-wire-appliances/#:~:text=In%20an%20existing%20installation%20(such,4%2Dwire%20cord%20and%20plug.]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*If you only have a 2 conductor + bare ground, mark the bare ground as a neutral and run it to ground. [https://forums.mikeholt.com/threads/3-wire-stove-grounding.2556425/]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*If you only have a 2 conductor + bare ground, mark the bare ground as a neutral and run it to ground. [https://forums.mikeholt.com/threads/3-wire-stove-grounding.2556425/]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Does a 3-wire 240v circuit have a grounded neutral, or a ground that is neutralized?</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*Does a 3-wire 240v circuit have a grounded neutral, or a ground that is neutralized?</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*''"Thus: is it safe to say that any 3-wire appliance is pure 240V no 120V?</ins></div></td></tr> </table>

Marcin https://wiki.opensourceecology.org/index.php?title=Wiring_a_240V_Appliance&diff=295787&oldid=prev 2024-04-27T07:06:47Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 07:06, 27 April 2024</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>{<del style="font-weight: bold; text-decoration: none;">Hinte</del>|There are 2 distinctions - old appliances, and pure 240V systems - which used 3 wire plugs. The former is no longer allowed}</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>{<ins style="font-weight: bold; text-decoration: none;">{Hint</ins>|There are 2 distinctions - old appliances, and pure 240V systems - which used 3 wire plugs. The former is no longer allowed<ins style="font-weight: bold; text-decoration: none;">}</ins>}</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*This one has a ground and 2 hots. With 3 wires, it means it has 240v only, but not 120v. [https://youtu.be/zzk7QUKqfEs?t=400]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*This one has a ground and 2 hots. With 3 wires, it means it has 240v only, but not 120v. [https://youtu.be/zzk7QUKqfEs?t=400]</div></td></tr> </table>

Marcin