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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1answer
42 views

By how much can I trim back the connectors of 1.5" PVC fittings?

We're installing the drain plumbing for a newly installed tub, and the drain shoe overshoots the tub drain hole. The tub has been mortared in place and can no longer be moved: A joist limits how far ...
2
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1answer
155 views

Bring portable generator in through automatic transfer switch

I currently have a portable generator, an inlet, and an interlock on the main panel to backfeed the panel. I am moving over to an automatic transfer switch with a standby generator. However, as a ...
1
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1answer
44 views

Can I use leaded glass for tall window in stairwell?

I'm in California. My house, built in 79, has a tall 3x9 stained glass window in a stairwell, starting 10" from the floor. I had a window contractor out to bid replacement windows and he told me that ...
0
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1answer
38 views

ok to run PVC pipe behind gas meter?

I am considering installing a radon mitigation pipe system in my home, but the only area where I could reasonably have the pipe exit my home is crammed with all my other utilities. The best spot I've ...
0
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1answer
86 views

Electrical pipe heated by heating pipe - against the code?

Please see the picture below. The three pipes in the front are electrical (conduit). The big black pipe in the back is the heating pipe. I guess something went wrong when building the building and ...
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1answer
114 views

At what height should underground electrical conduit enter the structure?

When installing an underground electrical line from the house to the garage,how high up off the ground do the access holes that go into the house & garage need to be? The purpose of this ...
0
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1answer
105 views

Run conduit from exterior sconce

We have a sconce on the outside of our brick house on a covered patio currently. I would like to run conduit from it to allow us to place an exterior fan on the same covered porch. My questions: 1) ...
0
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1answer
49 views

Extending joists to reach a new beam. What code to review?

I have spoken with a contractor about removing two load bearing walls (amongst other work). The two load bearing walls are parallel but offset by two feet to provide space for a range/oven in the ...
2
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0answers
59 views

Does removing some drop ceiling panels make plug-in lights OK?

I am uplighting a room with a drop ceiling. Cheap 4' fluorescent shop lights are hung below the drop ceiling, with their cords disappearing into a corner of a drop ceiling panel. Real hack job. ...
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0answers
66 views

Can I keep my outbuilding's 10a classificaton

This question is specific to Victoria, Australia. I have an old (1945) 6m by 7m outbuilding (basically, a small barn) on my property, and I would like to run mains electricity and water down to it so ...
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0answers
62 views

48AMP kiln on 60 AMP breaker *must be* direct wired in Canada?

I am trying to find out what part of the Canadian electrical code requires that the 48AMP kiln, on a 60AMP breaker requires that it must be direct wired, instead of using the NEMA 6-50 receptacle ...
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0answers
55 views

Is CSST piping and water piping in an inaccessible crawl space against code?

The CSST line that feeds our upstairs dryer with gas, the water pipes for the washing machine and some electrical wires run through an inaccessible crawlspace in the basement. When I went to turn the ...
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0answers
86 views

Can I fish Romex cable through concealed part of basement ceiling in Canada?

I am running two 2-wire and one 3-wire Romex cables from the panel in the basement to another part of the basement. For most of the run I have access to the ceiling joists, but I need to cross a 2.5 ...
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0answers
40 views

unique ? about venting tankless water header

I am installing a tankless water heater at the house. My question is unique because I can not find a reference anywhere in the code and the installation manual about where to place my exhaust vent. I ...
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0answers
56 views

Are these bends in the tub drain going to be an issue?

Im getting ready to run the drain for my basement bathroom but I'm concerned that I have too many turns in the tub drain. I had to start in the wrong direction in order to pick up a wall for a vent. ...
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0answers
50 views

Waterproofing outdoor wire splices and receptacles

It seems that the NEC requires wire splices to be UL486D listed when used in outdoor (generally damp or wet) locations, similar to the requirement for THWN or other wet-rated wiring. Why are special ...
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0answers
33 views

Can I open a bulkhead open to two unfinished spaces with a finished space between?

I have crawlspace on two sides of a finished den, with the den sandwiched between them. Can I finish a bulkhead through the den but open to the crawlspace on both sides to simplify utility passage ...
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0answers
141 views

When do you use an aluminum vs PVC service entrace cap (weatherhead)?

When installing an overhead power service entrance, you can choose between metal conduit with a metal weather-head, or PVC conduit with a PVC weather-head. Is this 100% a matter of preference, or are ...
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0answers
43 views

Are non-metallic in-use covers acceptable according to NEC 2011?

Our village goes by the NEC 2011 (they have not updated to current code). Can you use non metallic in-use in Cook County, Illinois, or do i have to use the metal ones? I looked at 2011 NEC 409.9 A. ...
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0answers
80 views

Running bathroom vent duct through cold air return

I am remodelling a basement and I noticed that the old bathroom has the vent duct running through the cold air return ( for about 6ft, in and out, the entrance and exit are sealed) and then outside. ...
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0answers
90 views

Does IRC 2012 Code allow water lines in exterior wall?

New construction, 2x6 exterior wall in a basement walkout. Does the IRC code or any plumbing code prohibit installation of water and drain lines in an exterior wall? We want to put a vanity sink ...
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0answers
63 views

Electric on bath cabinet side

Is it allowed by NEC to install an outlet into the side of a bath cabinet like in the picture. I want to cut a section of the cabinet side for a box and then punch a hole in the back wall and run the ...
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0answers
95 views

Are drain-clearing bladders safe?

I advised a friend to use a drain bladder to clear a sink clog. Turns out there was a vent that didn't connect to the main vent stack--it just terminated inside the wall. So she put a bunch of water ...
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0answers
105 views

North Carolina Code question for splicing 6x6 posts

I have a 48 X 10 second floor deck with 6X6 posts. I want to add a roof above about half of it. It is not feasible to replace the 6X6's with longer ones as I would basically end up replacing the ...
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0answers
227 views

Can I move well pipe from under front steps and still satisfy Connecticut code?

I have a problem with my well pipe - it leaks in the spring (when snow melts). As you can see from image below - multiple hack repairs were attempted by previous owners. I was going to excavate the ...
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0answers
142 views

basement bathtub straddling a crater

we got this house recently. i was working on paint and finishing our basement bathroom.. trying to remove the baseboard trim surrounding the the bathroom shower, i noticed that it came out ...
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0answers
147 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
2k 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
123 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
147 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
421 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
131 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
155 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
232 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 ...
0
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0answers
35 views

What are the minimum insulation code requirements for a steel arch building (Quonset hut) used as a residence?

I'm interested in building a steel Quonset hut home in central Texas. I've done a fair amount of research on what's involved, but I'm stuck on insulation. The IECC defines minimum insulation ...
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0answers
21 views

How close to the top of a structural stud can I drill?

I'm in California. I have a 4x4 structural post jack stud and a corresponding king stud 2x4. I would like to bore a 1/2" hole as close to the top as possible through both the jack and king. I know ...
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0answers
226 views

Is it code-legal to backfeed both legs of a 240V panel from a 120V portable generator?

My question is very similar to this one (Can I plug a 120 volt generator into a 240 transfer switch with a modified cord/connector?), but I'd like to know whether DDS's answer is code-legal under the ...
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0answers
249 views

Can I put in a vented bathroom fan in my condo

I just purchased a condo in Myrtle Beach, SC - it is the first time I have owned a condo versus a house. While exploring, I found that the bathroom fans don't vent outside, they just circulate the air ...
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0answers
90 views

What is the correct type of anchor bolt for attaching a sill plate to a slab once the concrete is dry?

If you need to install additional anchor bolts after the concrete has cured (and thus can no longer install traditional J bolts), what is the correct type of fastener that can be installed into dry ...
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0answers
44 views

Attic access in closet- reconfigure options (Canada)

I have a narrow bathroom and this is because the builtin closet of the adjacent room takes space from the bathroom. I am planning to remove the walls that separate the bathroom from the closet in ...
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0answers
36 views

How near does the water heater shutof valve need to be?

Codes say I need a shutoff valve "near" the water heater, accessible on the same floor. How near is "near" - is it OK if I have one on the source side of the pipe, near the water meter? (It's a ...
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0answers
34 views

Is a Bathroom Heating Vent in Wall Shared with a Garage OK?

My home was built in the 1960s in MD, USA and has a ground floor bathroom next to the garage. The bathroom has a heating vent in the wall bordering the garage. (The wall is 2x4, not 2x6, construction, ...
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0answers
35 views

Possible to DIY a multiple fixture canopy?

I've been looking at making a fixture for my island that would consist of 5 separate LED bulbs hanging down from a single canopy, each about 15" apart. Looking at what's out there in terms of ...
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0answers
67 views

Shed wall anchorage

I have an existing 48"x48"x4" thick concrete pad sitting atop gravel/crushed stone that goes down to the frost depth. The pad was poured with the idea being that a water tank would sit on it, and then ...
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0answers
50 views

Bathroom Sink up to code?

My bathroom sink has no overflow drain hole, (not sure what the proper term is)is this up to code for an apartment in California, specifically LA County?
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0answers
3k views

Can I make my bulkhead stairs steeper and still be up to code?

The bottom few steps of my bulkhead stairs go beyond the wall of the basement. The problem is I would like to put a door in my basement at the bottom of the stairs. To do this I would either have to ...
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0answers
182 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
2k 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
548 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 compliance....
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0answers
245 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 ...