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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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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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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Is running low-voltage DC wire (for LED) between outdoor PVC trim (post wrap) and the wooden post permitted by the national electrical code?
The proposed specific application involves running 16AWG wire (lamp cord) for a 12VDC LED light fixture that will draw a maximum of 2.25 amps, beneath PVC trim in a routed channel with cross-section ...
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Shower with glass, NEC 2020; the 3' measurement is from the opening and not the glass wall right?
406.9(C) Bathtub and Shower Space. Receptacles shall not be installed within a zone measured 900 mm (3 ft) horizontally and 2.5 m (8 ft) vertically from the top of the bathtub rim or shower stall ...
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Can electrical conduit cross over a gas line?
I'm running conduit to my shop for a subpanel. The conduit coming out of my house crosses over my gas line (see pic). Is this allowed? I just put the conduit in and wondered if this will get ...
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NM cable routing to panel backboard / side of the service panel. Take 2. Any NEC 2017/2020 concerns?
Going off of my previous question, I wanted to get a confirmation the below is compliant with NEC2017/2020 for connecting NM cable to a main panel.
I have used a length of 12/2 NM cable to show how I ...
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How do I connect surface wireway to a breaker box?
I am running Legrand/Wiremold 4000 series for a garage shop. The instructions for the panel connector (4086A) consist of a tiny picture that implies all I need to do is cut a large square hole in my ...
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312.6 interpretation when entering from the back of panel
312.6 lists (A) and (B) tables, for when NOT enterting oposite and entering on opposite wall of the box.
How is the entering through the back wall interpretted?
Technically it would be "NOT ...
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Code regarding exterior disconnects, outlets and fixtures
What are the code requirements for wiring to outdoor disconnects, outlets and outdoor lighting fixtures? I've usually just ran the type NM cable directly to the box. It seems difficult to transition ...
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NEC 2020 Compliant feed to an outbuilding
I am doing something similar to Running Service to Outbuilding. I tried asking for clarification there, but couldn't figure out how to. Sorry to start a new Q. If there is a better way, I'd appreciate ...
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Independent circuits on a common trip CB
Is it permissible under the 2014 NEC to feed two independent 120VAC branch circuits from a common trip (aka double pole) circuit breaker? The circuits do not share a neutral wire, and are ordinary ...
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Would AFCI protection be required if I added another outlet to an existing branch circuit in a bathroom?
I have some confusion because on the one hand AFCI protection is not specified as needed in bathrooms by the NEC, but on the other hand the NEC does state that AFCI protection needs to be added when ...
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Can a top plate on a 2x6 exterior walled be drilled for wires in 2 adjacent bays?
I am installing a 125A sub panel next to an existing main panel/ The sub panel will be in the stud bay next to the main. Both of these are on a 2x6 exterior load bearing wall. I understand the hole ...
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Do I need a junction box to direct-wire these 4' LED lamps?
I bought these Barrina 4' LED T8-form-factor lamps off of Amazon. I plan on installing them in our basement by attaching them to bare joists and wiring them to a new 15A circuit.
They include a little ...
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moving a drainpipe to put in a free-standing tub on slab construction
While digging out the concrete to place the drain about 20 inches from its original location, I found a 220-power line, can you run 220-power under the slab 8-12 inches from a drain?
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Low-voltage LED light strip through wall to outlet - Allowed?
I am installing some cabinets in my basement media room. I'd like to use a Philips Hue Lightstrip for accent lighting. The other side of the wall on which the cabinets are mounted is unfinished - it's ...
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Installing power for irrigation controller in conduit?
I have a property where the irrigation controller is mounted on an exterior wall-its power cable is plugged into a wet in use GFCI outlet. Beyond the outlet, the power cable hangs off the wall and is ...
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run data cable for outlet inside box?
I'd like to run a data communication cable through all of the outlets, light fixtures and switches in a house. (I already have the walls open for other reasons.) Think something like a hardwired X10, ...
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