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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1answer
38 views

Should there be waterproofing between the rim joist and ledger on new construction?

My new house is being built with a deck and I noticed that the framer has fastened the ledger directly to the rim joist without any sort of waterproofing between. The sheathing which is Zip system ...
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1answer
55 views

Does a contract to build a deck need an occupancy clause?

I am replacing an exterior deck. I've had several contractors out to give quotes, accepted an estimate from one, and am now in the position of signing (or not) a contract for the work. It's a lump sum ...
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0answers
57 views

When does a sleeve become a conduit, and how much can I fit in a sleeve?

According to National Electrical Code, the conduit percentage fill table does not apply to sections of conduit used to provide protection from physical damage (sleeve). National Electrical Code ...
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0answers
68 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
134 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
72 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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0answers
159 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
105 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
138 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
172 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
25 views

Super-Insulating a Crawlspace

I am getting ready to have a contractor insulate my crawlspace. The exterior facing walls of my crawlspace are about 2" above grade, with the remaining 2 ft 6 in - 2 ft 10 in below grade. One of the ...
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0answers
82 views

Deck diagonal bracing alternatives

The IRC prescriptive deck guide calls for decks taller than 6' to have diagonal bracing placed parallel (planar) to the beam from post to beam. My deck, which is built with a beam on one side and a ...
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0answers
23 views

Does the junction between two horizontal spaces need to be fireblocked?

This question is in regard to interpretation of IRC:2012 R302.11 for a single family dwelling. It is clear that junctions between vertical and horizontal framing need to be fireblocked (e.g. between ...
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0answers
149 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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0answers
83 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 ...