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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61 views

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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0answers
98 views

Coast 3-way — does this conform with Code?

For those who aren't familiar, the California or Coast 3-way switching arrangement is a method of wiring a three-way switch circuit that is used when both a switched and an unswitched hot are desired ...
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0answers
64 views

Does this count as a material alteration or repair for code purposes

Ontario Building Code, 2012 Except as provided in Section 3.17. of Division B, Section 9.40. of Division B and Part 11 of Division B, if an existing building is extended or is subject to ...
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2answers
868 views

When there are multiple circuits in a junction box do all grounds get connected

If I have a junction box where there are splices from several circuits, do I connect all ground wires from all circuits together in one bundle or do I do that for each circuit within the junction box? ...
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266 views

When did fire-rated Type X drywall become code? [closed]

I have 1/2" drywall in my attached garage. There is living space above it so current code would say to use 5/8" Type X fire-rated drywall. My house was built in 1977 so I was wondering when the ...
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138 views

Can a water heater be installed overhead?

Sorry for the long preamble: I'm doing a remodel which involves building a new attached garage. At the same time, I'm replacing the water heater because it is ancient. I have considered a ...
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0answers
103 views

Can I attach a metal box for a vanity light to a wood cross?

I am redoing a new bathroom. I have a metal electrical box that I want to replace (because it is an odd size from the 50s). The current one is simply screwed to a wood cross (2x4) running ...
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0answers
134 views

Where can we recycle washing machine and kitchen sink drain water?

I would like to know the best place or method to recycle drain water from the kitchen and washing machine. Can we use it for gardening (as it contains soap and oil)? Or it can be added to a Biogas ...
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0answers
165 views

How do you plug an unused hole as per the NEC for a liquid tight enclosure?

I have been looking for a way to seal a liquid tight product using Listed blanking plugs / Cap-offs or similar to comply with the NEC (US National Electrical Code). We wanted to use Conduit Entry ...
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0answers
176 views

How can I confirm the building code limitations for adding a small cabin/cottage/office in my county? [closed]

Aptos, CA (Santa Cruz County - California - US). Hi all, I'm considering building an outdoor shed primarily for a multi-purpose home office. I'd like to know to what codes I'll come up against but ...
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2answers
216 views

Are electrical subpanels safe in the bedroom?

If not, how do you correct it, or can it be moved without making too much work?
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3answers
2k views

2-wire switch loop controlling 2 outlets - replacing with 3-wire to fix?

I am in nearly this exact situation: Can I use a switch loop to power a ceiling fan? We are trying to install a fan, but instead of having a single duplex outlet on the same wall as the switch, we ...
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1answer
237 views

Add new outlet in pantry to one of the two existing 20 amp small appliance branch circuits

I am doing some remodeling in my kitchen. I currently have the required two 20-amp small appliance branch circuits powering the kitchen counter outlets. I have a small pantry/closet directly off the ...
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1answer
41 views

Proper wiring for dishwasher and GFCI

Can I connect a dishwasher to a GFCI outlet that is part of a 20amp circuit that has a total of 2 GFCI outlets?
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1answer
67 views

What name could be used in building code for “interior drain tiles”?

I'm searching Chicago building codes for anything about drain tiles to be installed inside a home. http://dev.chicagocode.org/ is the site I'm using. They have a ton of material about the sump pumps, ...
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2answers
136 views

Is it okay to drill a ground rod through pavement?

All the sides of my house are paved, and I need to drive a new ground rod for an antenna. Would it be against code (NEC) to drill a hole in the concrete to pound in a ground rod? Bonus question: How ...
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1answer
6k views

How to properly ground a subpanel in detached building?

I Will be installing a subpanel in a detached garage. The subpanel will be 60 amp. The garage is about 30' from the main-panel in-house, and I will of course get an exact length before selecting the ...
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1answer
236 views

How do I wire a door bell?

Can anyone make an educated guess on how to wire so the door bell rings? The flat used to have door phone entry system, but it doesn't work anymore. So it is used as normal bell. In flat we had a ...
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2answers
282 views

According to NEC 2008 can you use non-metallic boxes in framing that transports environment air?

In the Home Owner's electrical test, the term "environmental air" is used. What does this term mean, and where is it defined? and can you use a non-metallic box? Also when reading the question do ...
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0answers
119 views

What codes are invovled in running an overhead subpanel feeder to a detached garage?

This subfeeder will be going to a detached garage about 30ft away, and powering a 100amp subpanel. I'm not sure what codes are involved in this feat. I'd like to know the codes involved for ...
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2answers
152 views

New residential toilets all so tall?

Are all new toilets high off the ground? Our existing toilets (one 20-year-old Toto and one ancient 5 GPF monster that I am shopping to replace) are around 14.5" from the floor to the rim of the ...
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0answers
77 views

Replacing drywall above boiler… to Code? Inspection?

I own a mid-1800's house in New England, with a fieldstone foundation and dirt floor basement. I now have a mold problem in the basement. There is lone sheet of drywall above the boiler & water ...
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1answer
230 views

Residential electrical installation, at what voltage is a licensed contractor required?

I'm trying to figure out regulatory requirements for residential electrical installations. Specifically, when is a licensed electrician required by code to perform an installation? Obviously you don't ...