Questions tagged [nec]
For questions about the National Electrical Code, NFPA 70. Just about all US jurisdictions that have adopted an electrical code use the NEC, often with a handful of local or state level amendments.
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Is there a breaker handle lockoff that fits eaton/bryant double pole GFCIs?
I want to replace my existing BR240 wall oven double pole breaker with a new Eaton double pole GFCI.
The existing lockoff for the BR240 is the standard Eaton BRLWCS lockoff for BR breakers and it does ...
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How many 6awg THHN wires can be run in a V700 Wiremold and be NEC compliant?
I'm helping someone install a level 2 EV charger. We are hardwiring it with three runs of 6 awg THHN from the panel to the garage (black, red, and green as a ground per manufacturer instructions). For ...
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Do I need to staple cable for new wire run through a preexisting wall? [duplicate]
I'm adding a 220V outlet to support an AC unit.
I plan on running the cable through the attic then running down the inside of the exterior wall to disconnect box.
There is no way for me to staple the ...
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NEC Code requirements for location of neutral and ground connections
I have one 20amp circuit that runs from the panel box to an accessible junction box in my attic via 12/2 romex. This junction box also contains the 12/2 romex switch leg runs of all six lighting ...
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What does NEC 2023 300.14 say about junctions with a dimension > 8"?
NEC 2023 300.14 states:
300.14 Length of Free Conductors at Outlets, Junctions, and Switch Points. At least 150 mm (6 in.) of free conductor, measured from the point in the box where it emerges from ...
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Is a porch light with integrated outlet safe / to code?
I visited a lighting store in town that sells dozens of front porch lights. None of them have an integrated GFCI outlet, which would be handy for my situation. The sales manager said that such an ...
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Correctly Calculating Air Condition Load for Service Calculation NEC 2014
I am looking to install all new kitchen appliances and wanted to see if my current service would be sufficient. I am trying to calculate the service load using Article 220 of the NEC 2014 and I am ...
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Possible to convert disconnect to sub panel? [closed]
We've recently removed a hot tub that was originally installed in 1983. I'd like to know if it would be possible to convert the disconnect for the hot tub to a sub panel.
The breaker in the main panel ...
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How much EMF interference, if any, is likely from 10-foot separation of conductors?
As I'm investigating my bathroom's wiring in anticipation of an update, I've found a violation of NEC 300.3(B) (that conductors need to run in the same raceway, cable, etc.). I understand that problem,...
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Old house, difficult panel, new circuit question
1962 house with a lot of bad wiring, and I want to add a EV charging circuit without making it worse. I think I understand my options but hoping there is one I am missing. Homeowner not electrician ...
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Is conduit needed for extension of wall oven wiring?
I recently bought a GE in-wall oven (JRP20WJWW), but the whip power cable is too short (it was 45 inches, not 49 inches like the last oven).
Since the power is on the left side of the oven and my ...
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How many 100A/200A conductors can I run through a single conduit from my main service panel?
Current situation: main service panel (MSP) with 200A service on exterior wall. It feeds a single sub-panel via #2 copper conductors and is protected by a 100A breaker. These three #2 conductors to ...
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Adding 2 new outlets to existing GFCI's in two bathrooms
In the middle of a remodel. So I have two bathrooms connected on the same 20A circuit and both currently have GFCI. Bathroom 1(B1) GFCI is wired to the LINE/source and its LOAD powers Bathroom 2(B2) ...
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Extension Cord Coming Out of Kitchen Wall Possible NEC Code Violation
In progress remodeling a basement kitchen in a home built 2003.
Current NEC Code for my area is NEC 2017.
When I pulled out the old base cabinet I found an live extension cord coming out of the base ...
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Does NEC 2023 require conduit mounting hardware to be listed?
I only have the NEC 2020 edition on hand, but from what I'm reading on 358.6 for EMT listing requirements:
EMT, factory elbows, and associated fittings shall be listed
I think it's safe to assume ...
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