37 votes
Accepted

Can I put an outlet inside of a wall?

No. Section 314.29 of the National Electrical Code (adopted in some form in most localities in the US) requires that all outlet boxes be accessible without removing any part of the building or ...
user avatar
  • 33.2k
30 votes

What is the proper way to run wires along/across basement ceiling joists?

I realize this is an old question, however I just wanted to mention something... Tester101 indicated not to drill too many holes within the joist, as it could weaken it and cause structural damage. I ...
user avatar
30 votes
Accepted

Is there supposed to be a gap between the wall and the roof?

Is it supposed to be like that? There needs to be air circulation in unheated space to prevent condensation causing rot. It's freezing up there That is good. It means your loft insulation is ...
user avatar
21 votes

Why are "Attefallshus" (Attefall houses) in Sweden not allowed to be on a land without a big house already on it?

Property values. The same issue is coming up everywhere. In the old days, it was about mobile home parks. And subsidized housing (which tends to be "as small as the builder can get away with"...
user avatar
18 votes

Can I put an outlet inside of a wall?

You can use a recessed outlet to hide the wires. These were originally created so wall mounted electrical clocks can be mounted flush. They are now pretty commonly used for home theater setups where ...
user avatar
18 votes

Why are "Attefallshus" (Attefall houses) in Sweden not allowed to be on a land without a big house already on it?

When you want to build the first house on a plot of land, you need something called a build permit (bygglov). The local government (with some input from your new neighbours) will check and see if the ...
user avatar
  • 181
17 votes

Is notching a flange on an I-Joist ever acceptable?

According to this document (PDF), accidental notches in the top flange may not need to be repaired if they meet specific criteria. To determine if a repair is required, we'd need a bit more ...
user avatar
  • 129k
15 votes
Accepted

Is notching a flange on an I-Joist ever acceptable?

Point your home builder to page 9 of Weyerhauser's I-joist document here. See the bottom right of the page where it says "DO NOT cut or notch flange" It is typical of all I-joist manufacturers' ...
user avatar
  • 19.4k
14 votes

Is notching a flange on an I-Joist ever acceptable?

Only if you're a "professional" plumber. Cut twice as much & then measure, hey lookie there just like they did in your place. Seriously no, you're completely right the I's of I-joists ...
user avatar
  • 9,789
12 votes
Accepted

Building code requiring rooms to have internal windows?

In the cases where I've run I to something like this, the hotel originally had open walkways around the rooms -- allowing more light in, and probably cheaper to build -- which were later closed off ...
user avatar
  • 16k
11 votes

Can I put an outlet inside of a wall?

As pointed out by many others at this point, direct answer to your question is No: you are not allowed to install an outlet inside a wall. All outlets and junctions must be accessible without having ...
user avatar
  • 28.4k
11 votes

Can I put an outlet inside of a wall?

I recommend combining a recessed outlet box, outlet with usb charging, and right angle usb cable.
user avatar
7 votes

Is there supposed to be a gap between the wall and the roof?

That area is supposed to be open for venting the roof. However it should be covered with a material made of aluminum or vinyl with a type of screen to allow air to enter but keep small animals and ...
user avatar
  • 12.2k
6 votes
Accepted

Timer needed on bathroom vent fan?

IRC - 2006 Requires bath fans only if no operable window. Bathroom ventilation can operate intermittently at a minimum of 50 cfm or continuously at a minimum of 20 cfm, the same as 62 Bath fans must ...
user avatar
  • 46.3k
6 votes

Can I put an outlet inside of a wall?

Can you do it, sure. Should you do it, no way. If you ever want to sell your house, it probably won't pass inspection if the inspector finds it like that If your house ever catches fire due to that ...
user avatar
  • 61
6 votes
Accepted

What can happen if someone doesn't get a building permit for a renovation?

This varies greatly from jurisdiction to jurisdiction. It also depends on what kind of work and how much. In many locations, minor electrical work, in-kind plumbing replacement, interior ...
user avatar
  • 33.2k
6 votes

Building code requiring rooms to have internal windows?

First of all, building codes covering private residences are typically not the same as larger commercial buildings. In the USA those are often the IRC and IBC, respectively (although each state has ...
user avatar
  • 13.7k
5 votes
Accepted

Do I need a vent fan in an interior laundry room?

No, this is not a code requirement for laundry rooms in dwelling units (at least in the 2012 IBC). In fact, most dryers are essentially acting as exhaust fans when they run because they take air from ...
user avatar
  • 1,042
5 votes

Can I put an outlet inside of a wall?

As alluded to above, the obvious answer is to get a large clock receptacle (just google it), e.g., http://www.amazon.com/Arlington-DVFR2W-1-Recessed-Electrical-Paintable/dp/B001XQ4JFC -- with this one ...
user avatar
  • 281
5 votes
Accepted

Standard measures for buildings in the US?

Ceiling height: 8 feet (nominal; 92-5/8" stud length plus 4-1/2" of plates), 9 and 10 feet less common (108" and 120" studs); vaulted ceiling peaks as room size and slope dictate Wall thickness: ...
user avatar
  • 107k
5 votes
Accepted

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

These are metal shims - very very common. You install ibeam and either right after install or after joists are installed you want to level everything out. You will need to shim at least one side. ...
user avatar
  • 46.3k
5 votes
Accepted

Fire door modification beyond trim allowance

How likely is it that this would be signed off by Building Control? Highly likely. The way you describe the carpenter's modification proposal it would likely not be easily detected. If it was signed ...
user avatar
  • 33.6k
4 votes

How should I go about removing these two walls?

Seeing as you're in the UK (lots of well-enforced building regulations) and you're wanting to remove at least one load-bearing wall (the old external wall), you absolutely need to bring in the pros ...
user avatar
  • 12.2k
4 votes
Accepted

NEC 6/12 rule clarification

From the 2014 NEC: 210.52 Dwelling Unit Receptacle Outlets. This section provides requirements for 125-volt, 15- and 20-ampere re-ceptacle outlets. The receptacles required by this section shall be ...
user avatar
  • 19.4k
4 votes

California building code design requirements for bathrooms

No, that is totally untrue. There are plenty of rules for bathrooms, but what you are describing would make all "master bathrooms" that are only accessible from the master bedroom illegal, and that is ...
user avatar
  • 14.5k
4 votes

Does sheathing overlap in corners and what happens to 8' walls?

Sheathing layout is determined by stud layout (and vice versa*), and it's unlikely that a framer lays out studs with an extra ½" in mind. Sheathing usually starts at the end of a wall, or it ...
user avatar
  • 107k
3 votes
Accepted

Can I install a sink that drains into this floor drain?

You have to ask your local building inspectors. Some places allow grey water drainage into their overflow drain but most don't. One of the problems you will have is if your sewer backs up it will ...
user avatar
  • 46.3k
3 votes

Basement egress through office

Yes, this allowed according to recent versions of the IRC building code. (If your state or region has a different building code you will need to look it up yourself or specify.) To quote the code: ...
user avatar
  • 13.7k
3 votes

What does it take (and how) to build on a 'land conservation' parcel?

In Massachusetts, you cannot convert conservation land to commercial use unless you pay commercial taxes on it for FIVE years first. So, for example, let's say it is 50 acres of land that would be ...
user avatar
  • 6,669
3 votes

Extension cord and power strip safety

Never put a wire through the wall. It does violate code. You can use a recessed power strip (link below). You don't have to spend $80 on it, there are a lot more that are cheaper, but the one I am ...
user avatar

Only top scored, non community-wiki answers of a minimum length are eligible