120V heater pad: Difference between revisions
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*R7S is the style of holder -[https://www.amazon.com/Magic-shell-Ceramics-Conveter-Connector/dp/B084ZPL73Z/ref=asc_df_B084ZPL73Z/?tag=hyprod-20&linkCode=df0&hvadid=416645302761&hvpos=&hvnetw=g&hvrand=1972518797233664809&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9023315&hvtargid=pla-899101640583&psc=1&tag=&ref=&adgrpid=95471652658&hvpone=&hvptwo=&hvadid=416645302761&hvpos=&hvnetw=g&hvrand=1972518797233664809&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9023315&hvtargid=pla-899101640583] | *R7S is the style of holder -[https://www.amazon.com/Magic-shell-Ceramics-Conveter-Connector/dp/B084ZPL73Z/ref=asc_df_B084ZPL73Z/?tag=hyprod-20&linkCode=df0&hvadid=416645302761&hvpos=&hvnetw=g&hvrand=1972518797233664809&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9023315&hvtargid=pla-899101640583&psc=1&tag=&ref=&adgrpid=95471652658&hvpone=&hvptwo=&hvadid=416645302761&hvpos=&hvnetw=g&hvrand=1972518797233664809&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9023315&hvtargid=pla-899101640583] | ||
*This bulb is T3 R7S, 118 mm long - [https://www.bulbs.com/product/Q500T3-CL-240V] | *This bulb is T3 R7S, 118 mm long - [https://www.bulbs.com/product/Q500T3-CL-240V] | ||
*1500/375W 240/120v - [https://www.amazon.com/GE-Lighting-24932-Proline-1500-Watt/dp/B000C13XI8/ref=sr_1_12?dchild=1&keywords=240V%2Bhalogen%2Bbulb&qid=1615771059&s=hi&sr=1-12&th=1] | |||
Revision as of 01:28, 15 March 2021
Pad
Resistors
- Use resistors instead - [4]
Halogen As Heater
- Halogens are about 85% heaters.
- For 3D printers, use a 240V bulb, run it at 1/4 power with 120V (P~I^2R) so it doesn't burn out with on-off cycling - by running it only at a fraction of its rated power.
- Use a holder - 4.69 or 4-11/16" holder, for a 240V T3 bulb. [5]
- R7S is the style of holder -[6]
- This bulb is T3 R7S, 118 mm long - [7]
- 1500/375W 240/120v - [8]