Questions tagged [code-compliance]

For questions relating to compliance with laws and ordinances of federal, state/province and local jurisdictions. Questions should also be tagged with the specific area of construction involved.

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7
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2answers
663 views

Was this installed to code and is it still to code?

In 1995 an electrician who was also a friend of the family helped me out by installing a sub panel in my garage. He tapped the feeder cable directly into the main lugs in the main box and ran them to ...
0
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1answer
45 views

Changing a dishwasher from hardwired to cord-and-plug

My dishwasher flooded my kitchen, requiring the removal of the flooring and eventually the lower cabinets. I turned off the water supply to the dishwasher right after the flood, but couldn't unplug it ...
2
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2answers
156 views

How much “slack” should I account for when doping a long run of electrical wire?

I'm finally getting around to updating the service in our detached garage. I've decided on 6-3 NMWU, running inside 1-1/2" Schedule 40 Conduit for the underground run. I remember seeing utility ...
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1answer
55 views

Which kitchen appliances can be grouped on the same circuit?

I couldn't find a direct up-to-date answer. For example the comments on this answer contradict each other. So, which of the following kitchen appliances are allowed to be grouped onto the same 20A ...
2
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0answers
22 views

Basement in detached garage required to have two means of egress?

I have been reading the IBC Code and it is very long and complicated. The point I am trying to figure out is whether a basement in a detached garage requires two means of egress. There are whole bunch ...
1
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3answers
67 views

Should I use a GFCI breaker or receptacles for my shed run?

In my question about running a circuit to my backyard shed, a discussion arose in the comments about whether I should use a GFCI breaker or have the convenience outlet be a GFCI. Instead of debating ...
0
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1answer
61 views

Custom device mounted in electrical receptacle box?

I designed a PCB which matches the dimensions of a receptacle box (the blue ones, just gonna call it the box). It is meant to mount next to an outlet in a double gang box and has a relay controlled by ...
0
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1answer
33 views

Minimum unfinished basement door height

I have a 1927 house that is built on a hill such that the basement walks out level with side yard and the sub-basement originally had a door that walked out the back yard with two steps down to ground ...
0
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0answers
23 views

Exhaust fan in Toilet room off the master bath

I understand it is code for exhaust fan in the Toilet room (Small 4x5 room with door) this room is off the main master bathroom. Do I need another exhaust for the main bathroom for code? Can I put a ...
0
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0answers
16 views

Outside Wall Water Damage Repair

I removed a masonry flower bed that was causing water to flow into garage during rains. The masonry was allowing water column to form against house siding. Upon removal of flower bed I found damage to ...
2
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0answers
16 views

LED drivers and Ontario Electrical Code

I'm doing a new build and I'm interested in using the inexpensive LED lights that use an external driver box. My question is about code - what's the way to mount the driver so it's acceptable to an ...
1
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0answers
37 views

Repurposing smoke detector power as fixture power

I removed a wired smoke detector and replaced it with a popular wifi-enabled battery-powered model. I'm left with a box that has: a black wire a white wire a red wire a ground I'm assuming the ...
0
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2answers
56 views

Grounding 3 wires to electrical box with 2 ground screws

I've installed a metal electrical box. There are 3 cables coming into the box. The standard box only has 2 ground screws. My inspector said I am supposed to have 1 single ground per screw... So, how ...
1
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0answers
21 views

Code question about wye and 90 degree elbow

Can a 90 degree elbow be placed right next to a Wye? The toilet drains into main branch by a wye. It immediately goes into a 90 elbow to drop the main branch down to the sewer.
1
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1answer
22 views

One isolating valve on both loft tanks inputs?

Just after the mains stopcock under my kitchen sink there is a tee, one pipe to drinkable water+washing machine and the other to the loft cisterns. ( This is an open vented pumped S-plan system, ...
3
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2answers
71 views

When hanging a double layer of drywall, do both layers need to be fully screwed to the resilient channel?

When adding a second layer of drywall to a ceiling, do I need to screw the first layer to the surface with the appropriate number of fasteners ( type S screws into resilient channel ) as code dictates ...
5
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2answers
466 views

Grounds twisted without wire nuts

In my 1984 house, inside switch boxes, there are many instances where bare ground wires are twisted together without wire nuts. They are twisted really tightly about 4-5 turns. It has almost ...
0
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1answer
56 views

Can neutral be used instead of ground for a tankless water heater?

A friend wants to install a tankless water heater under the kitchen sink for faster hot water and plans to use a 40A circuit near the sink that is meant for an electric range. The house was built in ...
2
votes
1answer
50 views

Towel warmer (hardwired) - electrical code considerations

We have a new towel warmer, which I believe would not technically comply with codes in the U.S. Electrical connections need to be inside junction boxes, unless I'm mistaken, and this towel warmer ...
0
votes
1answer
44 views

install second washing machine in separate part of house

I am installing a second washing machine in a different part of the house and want to connect the two washers to the same drain(2 inch pipe). Current washer is in basement with basic set up of ...
0
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2answers
51 views

14-2 wire on a 20amp circuit

I have a 12-2 wire connected to a 20amp breaker. This wire is currently not in use and capped off in a junction box in my attic. I'd like to bring this wire back into service to install two new ...
0
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0answers
18 views

How to construct posts on 15' tall dock

I am working on designing a 2 story dock that will house my boat and have a deck on top. I was planning on constructing the dock using concrete pillars and 6x6's. My original plan was 12" wide ...
0
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0answers
42 views

Convert 120 V circuit to 12 V by splicing LED driver into existing wiring

My kitchen has a light switch by the sink which operates a pendant light above the sink. I am making a DIY replacement light using a 12 V LED strip and a 4 ft. wooden dowel to be suspended ...
4
votes
1answer
57 views

Code-compliant undercabinet light wiring

I have 6 LED undercabinet lights that I plan to link together and power using a switched outlet. The lights use SPT-2 linking cables with proprietary connectors that aren't long enough to link the ...
1
vote
1answer
65 views

Can I run two 6/3 NM cables up the same 2x4?

I have two 6/3NM cables coming from the attached garage ceiling into a subpanel mounted low inside an exterior wall. One of the studs is occupied by A/C pipes so I'm hoping there's a way to get both ...
4
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2answers
72 views

Can you really use 2 cables in place of /4 Romex?

I have always presumed that currents must be equal in the same cable or conduit, and one shouldn't use multiple cables for 4-5 conductors because of eddy current heating, induced vibration causing ...
4
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2answers
172 views

Is stacking material under an I-Beam to make it level structurally sound and passing code?

Saw this in my new home construction, I am concerned, wondering if this is common. Thanks!
3
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1answer
112 views

Is it OK to drill/notch an end joist (not rim/band joist) as long as it's continuously supported by a foundation wall?

I'm in the process of trying to run some CAT6 and speaker wire at various places in my house. One of the things I'd like to do is run speaker wire in the living room to a wall plate behind my sofa, ...
3
votes
1answer
62 views

Properly Updating Drains for Basement Bathroom Update

Pictures https://imgur.com/a/olBlrHG basically explain it. It was a "full bath" when we bought it and sold as one, (and its recorded as such for tax purposes). I want to convert it to laundry room/...
2
votes
1answer
97 views

How to meet code when the outdoor light is separated from the electrical box by a wooden spacer

After new siding was installed on the house, there is a 1-1/2"-thick wooden spacer between the electrical box for an outside light and the location of the light. In my prior experience, the ...
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0answers
31 views

Is an aluminium radiant barrier allowed to cover insulation paper facing instead of drywall?

First some context: Geographical location: City of Sacramento, CA, USA Building: Residential detached garage. Goal: To keep it cool in the summer and warm in the winter. Approach: kraft paper faced ...
1
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2answers
89 views

3-wire electrical wire for recessed lighting

I want to install 4 LED recessed lights in my living room. No ceiling lighting currently exists though there is an existing wall switch that was decommissioned by the previous owners that I plan to ...
0
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3answers
179 views

Are whole-house GFCIs legal in the US?

Over here in Europe, a common approach to GFCI (RCD) protection is to have one (three-phase) 30 mA GFCI breaker as the main breaker (or something similar such as one GFCI per (sub)panel or one shared ...
6
votes
2answers
457 views

I want to run 75C wire. Can I overcome 60C receptacle ratings with a pigtail?

Hypothetical. I am hooking up a range/oven that requires 50A. Its terminations are rated 60C, and there's no way around it. The 100' wiring run is all in EMT conduit and I am running THHN wires, ...
2
votes
1answer
79 views

Best way to make wiring to outbuilding legal

I'm fixing some wiring in an older house and I believe the wiring to the outbuilding is not legal. I would like to correct it if possible, but will bring in a professional if necessary. The current ...
3
votes
3answers
1k views

Two GFCI outlets on the same circuit, just for code?

I have a condo that hasn't been updated in probably decades, and I am looking to sell it in the near future. As part of my updates, I am installing GFCI outlets in the bathrooms and in the kitchen ...
1
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0answers
58 views

How can I meet NEC code for Class 2 at the power supply with multiple strips of LED lighting?

...The Project... Install 94 feet of perimeter lighting around a kitchen/dining/living space. The desired product is a color tunable LED strip. Possibly this product but I could use an equivalent ...
2
votes
2answers
146 views

What's wrong with the wiring in this light switch box?

In another post it was brought to my attention (thanks @Harper) that the wiring in one of my light switch boxes might be incorrect. It was something about a shared neutral, but I don't have the ...
2
votes
1answer
151 views

Is it Code legal to hardwire a refrigerator in a basement?

Suppose you have a refrigerator in a basement. You have two dueling safety systems: The cord-and-plug-connected fridge needs to run to keep food safe, but the GFCI needs to trip to save people from ...
10
votes
2answers
2k views

What does code say about powered semi-permanent furniture?

I like to build things, and I've been drafting up plans for a headboard for quite a while now. One of the things I want my headboard to have is a number of outlets, since laying on my bed is where I ...
2
votes
3answers
135 views

Dedicated Laundry Room Circuit?

I live in Florida. According to the Florida Residential Building Codes (2017): E3703.3 Laundry circuit. A minimum of one 20-ampere-rated branch circuit shall be provided for receptacles located ...
1
vote
1answer
65 views

Can I paint the electrical panel? [duplicate]

I am painting the room in our basement that contains the electrical panel. I think it would look a lot better to paint the panel the same color as the wall, instead of the plain grey-green metal. I've ...
3
votes
1answer
178 views

Square D QOC 12 125: Is it possible to bring this subpanel up to code?

I opened up this subpanel for the first time because when I opened the walls for contractors to install floor drains, I found a circuit with four splices that were any/all of: not enclosed in ...
5
votes
5answers
672 views

Can I use a 2-wire NM cable staple on 3-wire cable?

I have a package of Gardner 1/2 inch staples and the package shows that they are good for 2-wire, see below: I am running some 14/3 wire (flat) wire for AC hardwired smoke detectors but these staples ...
4
votes
1answer
445 views

How to run wire through corner with lots of studs

I have a new garage addition that I'm doing the electrical for. I got to the point of running the wires for the front coach lights and realized a snag. I'm trying to figure out the best way to run ...
0
votes
0answers
106 views

Widening a closet opening, what type of header to frame?

I have a standard 30 inch closet door. I want to expand the opening to 48 inches (to install double bifold doors) I am 98% certain this wall (which is on second floor) is not load bearing: There is ...
3
votes
2answers
765 views

US residential stair railing code: What is the requirement for terminating an open railing?

We're trying to pick out railings for our house. Our stairs are going to have an open side and we want to use a modern railing system such as this one: You can find plenty of similar images for ...
12
votes
7answers
3k views

Outlet screwed directly into stud

I was replacing old outlet in my house and came across an outlet that is screwed directly into the studs. Also the stud and the junction box were cut to fit the outlet. The new outlet is too big to ...
3
votes
1answer
49 views

Can I recess electrical panel deeper than usual?

In California, I know that code limits how recessed behind the finished wall the electrical panel can be. I'm interested in improving the acoustic STC of the wall assembly and the easiest way is to ...
2
votes
2answers
90 views

Correct gauge and jacket type for feeder wire to subpanel?

I need to install a 200A panel about 100 feet from the meter base. I have 400A service coming to the building, broken out at the meter base into two 200A exterior disconnects. One disconnect is ...

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