Wire Cost: Difference between revisions
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*THHN 6 ga copper - $1/ft [https://www.menards.com/main/electrical/electrical-wire-cable/thhn-electrical-wire/stranded-thhn-building-wire/sku3694714/electrical/electrical-wire-cable/thhn-electrical-wire/stranded-thhn-building-wire/sku3694730/electrical/electrical-wire-cable/thhn-electrical-wire/stranded-thhn-building-wire/sku3695373/electrical/electrical-wire-cable/thhn-electrical-wire/stranded-thhn-building-wire/sku3694730/p-1444442913067.htm] | *THHN 6 ga copper - $1/ft [https://www.menards.com/main/electrical/electrical-wire-cable/thhn-electrical-wire/stranded-thhn-building-wire/sku3694714/electrical/electrical-wire-cable/thhn-electrical-wire/stranded-thhn-building-wire/sku3694730/electrical/electrical-wire-cable/thhn-electrical-wire/stranded-thhn-building-wire/sku3695373/electrical/electrical-wire-cable/thhn-electrical-wire/stranded-thhn-building-wire/sku3694730/p-1444442913067.htm] | ||
*6/3 NM-B is $5/ft [https://www.menards.com/main/electrical/electrical-wire-cable/shop-all-electrical-wire-cable/6-3-type-nm-b-cable-with-ground-wire/p-1474478926950.htm] or [https://www.amazon.com/Non-Metallic-Sheathed-Residential-Wire-Equivalent/dp/B083ZKTFLK/ref=asc_df_B083ZKTFLK/?tag=hyprod-20&linkCode=df0&hvadid=507622025025&hvpos=&hvnetw=g&hvrand=9868926090943744526&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9023314&hvtargid=pla-1306992923478&psc=1] | *6/3 NM-B is $5/ft [https://www.menards.com/main/electrical/electrical-wire-cable/shop-all-electrical-wire-cable/6-3-type-nm-b-cable-with-ground-wire/p-1474478926950.htm] or [https://www.amazon.com/Non-Metallic-Sheathed-Residential-Wire-Equivalent/dp/B083ZKTFLK/ref=asc_df_B083ZKTFLK/?tag=hyprod-20&linkCode=df0&hvadid=507622025025&hvpos=&hvnetw=g&hvrand=9868926090943744526&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9023314&hvtargid=pla-1306992923478&psc=1] | ||
*2/3 NM-B is $9/ft [https://www.amazon.com/Southwire-63970802-SIMpull-Non-Metallic-Sheathed/dp/B0B8JRCW9C/ref=sr_1_1_sspa?hvadid=580531116618&hvdev=c&hvlocphy=9023314&hvnetw=g&hvqmt=e&hvrand=15868051116876183214&hvtargid=kwd-296459843720&hydadcr=2400_13458187&keywords=2+wire+romex&qid=1684194391&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEzTExDWFJGVUVTOE5GJmVuY3J5cHRlZElkPUEwMDgyNzE5MzhPS0VZRFVBOE03RCZlbmNyeXB0ZWRBZElkPUEwNjU0ODczMzc2QzkyUlk5MDJDSSZ3aWRnZXROYW1lPXNwX2F0ZiZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=] | |||
*4/0 is same price - [https://www.menards.com/main/electrical/electrical-wire-cable/electrical-service-wire-cable/4-0-4-0-2-0-aluminum-urd-cable-per-foot/3692101/p-1473854610606-c-1525874617506.htm] or [https://www.wireandcableyourway.com/4-0-4-0-2-0-sweetbriar-underground-secondary-distribution-cable] | *4/0 is same price - [https://www.menards.com/main/electrical/electrical-wire-cable/electrical-service-wire-cable/4-0-4-0-2-0-aluminum-urd-cable-per-foot/3692101/p-1473854610606-c-1525874617506.htm] or [https://www.wireandcableyourway.com/4-0-4-0-2-0-sweetbriar-underground-secondary-distribution-cable] | ||
*1/0 aluminum is 100A and $2.50/ft [https://www.menards.com/main/electrical/electrical-wire-cable/electrical-service-wire-cable/1-0-1-0-2-al-urd-wire-per-foot/sku3692045/p-1444442902248-c-1525874617506.htm] | *1/0 aluminum is 100A and $2.50/ft [https://www.menards.com/main/electrical/electrical-wire-cable/electrical-service-wire-cable/1-0-1-0-2-al-urd-wire-per-foot/sku3692045/p-1444442902248-c-1525874617506.htm] | ||
Revision as of 23:47, 15 May 2023
About
- NM-B house wire is specified for 60C by the NEC, but it can withstand 90C. [1]
- 2AWG is rated for 95A at 60C, 1 AWG is rated for 110 at 60C [2]
- USE-2, RHW-2 and RHH - sunlight, heat, moisture resistant [3]
- Aluminum ampacity - 1/0 aluminum does 100A at 60C. Good chart of wire types and their T resistance [4]
- Terminations at panels must be rated at 60C - [5] - thus you must specify wire for 60C. For example, if you want 100A, oversize 100A 90C wire to something larger at whose 60C rating you get the required ampacity.
- THHN to subpanel - yes if in conduit - [6]
- Standard practice - individual THHN through conduit or NM-B through stud holes [7]
- Romex or BX wire can be run without conduit - [8]
- Romex goes up to 2 awg [9]