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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27 views

Pressure Treated Bottom Plate

I am finishing my basement myself. Its all framed up and I was getting ready to run wire. I noticed a county requirement for pressure treated wood for the bottom plate. I did not do this!!! I am ...
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2answers
766 views

Interpreting stair railing code

I am reading this document Looking at this line: (2) Stairways having less than four risers need not have handrails or stair railings. Is a fair interpretation that on stairs with more than ...
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1answer
24 views

What is code for stair treads and risers in Georgia

What are the codes in Georgia (the US state, not the country) regarding stair treads and risers in a townhome or condo? My daughter is looking to purchase and the stairs seem too steep. The condo was ...
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0answers
19 views

What is the correct method to measure a storage shed?

My sister lives in the rural unincorporated area of Los Angeles County and wants to put up a storage shed in her large backyard. She has asked me for some help in the design and construction since I ...
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1answer
51 views

Does MA require permit to replace old K&T and if no how do I know if work is done to code?

Is it required to pull a permit in MA to replace knob and tube wiring? If no, how can one determine if the work done adheres the the proper codes? Who should be sought after to confirm this if no ...
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0answers
34 views

Can I run a 110V extension cord through a wall-mounted cable hider/channel?

I have a ceiling mounted 110V outlet and I want to run an extension cord down to the floor. Is it up to US electrical code to mount those PVC cable hider channels on the outside of the wall and run ...
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1answer
58 views

Are there any restrictions for drilling holes in solid lumber joists regarding how close to the ends of the joist? [duplicate]

I've read to not drill a hole greater than 1/3 the depth of the board (I want to drill a 3/4" hole in a 12" board for wiring, so that won't be an issue) as well as not to do it within two inches of ...
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2answers
40 views

Searching for NEC Code

I'm looking for the NEC code that references allowing a new upgraded main panel within a home to contain a main breaker because the meter is directly on the other side of the outside wall, ( verses ...
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3answers
73 views

Is a grounded (neutral) conductor required at a switch location that controls a switched receptacle used for lighting?

The National Electrical Code requires that all habitable rooms and bathrooms, have a switch controlled light (210.70(A)(1)). It also allows a switched receptacle to be used, instead of a lighting ...
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1answer
56 views

GFCI Outlet or Breaker

As a part of my renovation of a 1900's cottage I'm completely rebuilding the kitchen. I'm planning on running 2 20A circuits shared between the countertop outlets, fridge & dishwasher. Is there ...
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1answer
139 views

Can I use electrical tape for making a splice? If so, how?

What is the approved method for creating an electrical splice to 14 gauge wire intented to carry 110V, 10 amps (standard residential power) in USA? What does code say about tape-splices? The splice ...
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1answer
66 views

Loft bed next to a red water pipe

I had a loft bed built into my condo. The bed is up near the ceiling and there is a large red water pipe just above it. It carries the water to the sprinklers but its not a sprinkler itself. My bed ...
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1answer
107 views

Three-way switches to control top outlet of multiple receptacles

I am in the process of renovating the livingroom in my 1930's era house which only has two non-switched outlets in one 12x12 room. I would like some receptacles to have one switched and one non-...
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1answer
45 views

Wiring Transition from Inside of wall to Outside of Wall for hard-wired appliance

I am installing an electric kickspace/toe kick heater as part of my kitchen remodel. I do not quite understand how to transition the supply wiring from inside the wall to the space underneath of the ...
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0answers
51 views

Post to beam connections

Here's the issue. I was told that I could find some angle brackets to finish this project (and secure the post to the beam). However, I'm finding nothing that doesn't require we remove the set beam ...
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2answers
40 views

Would a wall mounted TV count as an appliance for the purposes of tamper resistance outlet code requirements?

I was reading this review on Amazon for a recessed outlet where someone points out that it isn't tamper resistant and, as such, is worthless. There is a discussion between the rater and other people (...
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1answer
911 views

Can cable splice devices be concealed?

Devices exist that claim to be able to splice nonmetallic sheathed cables together outside of a box, and in concealed locations. Are these types of devices allowed by National Electrical Code? Here's ...
3
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3answers
188 views

What gauge wire do I need for my dryer?

I want to add a washer & dryer to my garage, but breaker box is on the wrong side of house. No matter which way I run the wire, its 110 feet of wire required. Will 8-3 with ground work? Or is ...
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1answer
52 views

Best way to run 40 lan cables in loft style office [closed]

I have a project to run around 40 lan cables in loft style office. The office don't have any conduit attached to ceiling at all. The location of RJ45 Jacks is multiple. I wonder what is the best nice ...
2
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2answers
126 views

Conduit Size for Sub-Panel run?

I have old overhead wires that go between my home and a detached garage. The plan is to remove the overhead wires and install a new sub-panel in the garage with an underground (PVC 80) run between the ...
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1answer
82 views

When re-roofing and doing a tear-off do I have replace the roof deck with plywood?

My home was build in 1920 and uses planks for the roof deck. I was planning on just removing the old asphalt shingles and installing new asphalt shingles. Makes sense to me; until a contractor friend ...
3
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2answers
1k views

Is framing with screws legal?

A friend used trim head screws for ALL of the 2x4 framing (including the outer walls) of his 2400 sq. ft. house. The house uses 8x8s to carry the load; none of the 2x4 framing is load bearing. The ...
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1answer
38 views

Unswitched hot in Fixture Junction Box

A comment on an answer to this question seems to be saying that its illegal for an unswitched hot to run through a light fixture junction box, even though its not connected to the fixture at that ...
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5answers
210 views

What is code or common rule when securing multiple electrical lines?

What is common practice or code when running new electrical lines in a home(15 amp/20 amp) in a basement that feed up to the 1st and 2nd floor of a home? Is there a rule on how many wires can be run ...
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1answer
58 views

How to determine if a circuit breaker has GFCI

I recently discovered none of the grounds in the three-prong outlets in my house are connected to anything. AFAICT the only way this is allowed without GFCI outlets is to have GFCI circuit breakers ...
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2answers
137 views

is a permit required for changing old outlets

Do I need a permit to change old outlets out that are cracked or not working and replace them with new ones Thanks
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2answers
146 views

Maximum Distance Between Outlets

In an answer to this question Iggy's answer contains a picture that says "Maximum spacing between receptacles on the same countertop space is 4ft." Does this mean if I were to build a house with 28 ...
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4answers
499 views

Renovation for Dummies

I am about to close on the purchase of a small (1000sqft) cottage which, although it is habitable, is in desperate need of some tender love & care. I am an avid DIY nut and have have already done ...
3
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2answers
97 views

Are barrier terminal blocks or bus bars inside a junction or weather-proof box up to NEC code?

I'm going to be adding some Particle Photon relay control to some receptacles so I can remotely turn on and off appliances and lighting. I'm going to house the Photon board and relay in a weather-...
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2answers
76 views

24" OC Interior Wall Framing for UDC

I am framing my basement tomorrow and I'm thinking of using 24" OC for my interior non-load bearing walls. I plan on using 2 sheets of 5/8" sheet rock with a noise dampening compound. Is 24 OC legal ...
3
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1answer
38 views

How do I handle the grounded neutral for a simple switch?

I trying to move a switch, which is currently in a 2-gang box. The 2-gang box will need to stay in place (and covered with a plate) as it is also the junction of some other stuff (currently power ...
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3answers
198 views

Why can the connections of a recessed light be buried in drywall, but not junction boxes?

I'm redoing lights in our kitchen and have to splice some lines. I have read numerous threads that all say you cannot bury the junction box in the drywall, it has to be accessible. The recessed lights ...
3
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1answer
110 views

Round hole, rectangular junction box

I am installing a new light fixture into ceiling. There is a round hole there right now (from a recessed light that I removed). The problem is this round hole is just short in diameter of standard ...
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2answers
90 views

european outlets in an american building

I have seen european outlets in industrial equipment made in europe but installed in the united states (often with a 480/240v step down transformer), and I have come across a couple people who want ...
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0answers
49 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 ...
3
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2answers
100 views

Can I run NM wire through this type of flex legally

This flex is sold along other types of NM wire molding, but I can't find anywhere where this product explicitly allows NM or not.
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3answers
544 views

Is any of this plumbing work a code violation?

I've repaired plenty of pre-existing plumbing, but don't know enough to put all new plumbing in a house, so I hired it out. Some of it it is fine, but I'm unhappy with the rest of it, and since I'm ...
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0answers
31 views

code for installing electrical panel in old construction (CA) [closed]

I'm about to embark on a project where an older, inferior brand 125amp panel from the 1960's will be upgraded to a modern 200amp panel. I've been doing some research prior to getting the project ...
5
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1answer
176 views

How do I handle ground wires in 2-gang box with circuits coming from separate breaker boxes

In my house, I have 2 breaker boxes- in the basement there is a 200-amp main box, with the ground and neutral bars bonded. Feeding the main floor, there is a 100-amp sub-panel (branched off the main ...
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1answer
131 views

California code requirements for electrical panel placement height

I'm trying to get some wires to reach the bottom of my electrical panel. How high off the floor can I put my panel and still meet code requirements... or what section of which code can I find this? I'...
5
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1answer
361 views

When using US-colored 14/3 for a simple switch does the red wire need to be marked?

In a typical switch loop (from the past) where 14/2 is used, the white wire should be marked on both ends with black tape to indicate it is a "hot" wire just like the black wire. In a 14/3 cable, the ...
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1answer
64 views

Is it typical that smoke detectors in adjacent apartments be linked?

I rent the downstairs apt of what used to be a garage. There is one other unit located on the second floor. My smoke alarm was going off frequently without my knowing why. Landlord finally told me ...
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0answers
61 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 ...
3
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1answer
122 views

Mystery Electrical Voltages in Duplex Junction Box

So I'm finally getting around to installing the ceiling to floor bookcase in my home office. There is a single duplex outlet that I intend to reverse from facing into the office, to facing outwards ...
5
votes
1answer
126 views

What code requirements exist for low-sill, upper-floor windows?

I own a house in Texas (USA), built in 1885. I am renovating, enclosing the second floor back porch; it's essentially an addition, with a bathroom, a storage closet, and a hallway. The area will be ...
4
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2answers
1k views

Building code requiring rooms to have internal windows?

I am staying at the Radisson in Colorado Springs this evening and I notice that some of the rooms, in an extension built about 15-20 years ago, have large security windows facing into the hallway. The ...
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1answer
133 views

Why are 3-1/2 (16d) nails so hard to find?

So I'm a little confused. It seems like 21 degree fullhead framing nailers are fairly standard. According to the http://codes.iccsafe.org/app/book/content/2015-I-Codes/2015%20IRC%20HTML/Chapter%...
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1answer
55 views

Deck joists and ledger gap

Sorry if my terminology is bad, I tried to pick up some of the terms and do some research in the ICC before posing the question here. I've got a contractor replacing a deck for me and I noticed that ...
3
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3answers
184 views

Do I have to connect the grounding electrode at a detached garage to the grounding electrode at the main structure?

Article 250.32(A) of the National Electrical Code, tells us that we need a grounding electrode at a detached garage. It also says that it has to be "installed in accordance with Part III of Article ...
3
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4answers
244 views

In a secondary panel, are grounding and neutral bus bars required on each side of the hot bus bars?

In a secondary panel (not a service panel), the grounded (neutral) bus bar is to be kept isolated from the grounding conductors (250.24(A)(5)). In article 408, the code has this to say... National ...