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4
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1answer
76 views

How can I adapt a wall outlet to suface mount conduit?

I have a single gang in wall outlet in my basement. I would like to adapt it into surface mount EMT conduit to get an outlet at a different location. Ideally I would be able to keep a plug at the ...
1
vote
1answer
52 views

What should I do about damaged electrical conduit?

I'm adding an electrical line to my outdoor pool breaker box. I was digging near the box with a pickaxe (yeah, I know, stupid) and was trying to be careful, but I was not careful enough. I don't ...
1
vote
1answer
73 views

Drilled a shallow hole in concrete ceiling and some water came out. What now?

We are on a ground floor of a condo building and to put up the partitions I drilled a small hole and after about 1" depth the drill fell into a void (about 1" more) and about a quart or so of clear ...
3
votes
2answers
79 views

What is the preferred method for removing & replacing electrical wiring in the garage?

I just purchased a house built in the mid-1990s in Kansas, U.S. The garage is generally finished: It has sheetrock walls and ceiling. It also has outlets spaced every 6 feet or so about 4 feet above ...
1
vote
1answer
49 views

Is a weather resitant gfci required outside in a metal box with in use cover?

I have a pool that is just off my deck. The gfci i have went bad so i need a new one. It was a 15 amp gfci in a metal box attached to 1/2 in emt conduit with a metal box and a non in use cover. Thi is ...
1
vote
1answer
49 views

In the UK, what type of flexible conduit should I use for electrics in shed that run underground and emerge through the concrete base?

In the UK, what type of flexible conduit should I use for electrics in shed that run underground and emerge through the concrete base? I see various standards quoted such as IP66. Would this be ...
1
vote
1answer
65 views

Running conduit near knob and tube wiring

I have some new AC ducts in our new house that will soon be concealed behind new drywall, but before the drywall goes up, I wanted to run some conduit from the upper floor down to the basement for ...
2
votes
2answers
44 views

Fittings for conduit passing through ceiling/floor

A follow up to this question: Running Coax cable to the upper floor If I cut a hole in the ceiling of my dining room and then another in the floor so I can run a conduit from the upstairs all the way ...
3
votes
1answer
142 views

Is Schedule 80 PVC Conduit Suitable for Short Directional Boring?

I'm running some electrical wire around where I'm building my house. There are two places that I'd rather not dig through: A driveway and a creek. The creek is the most important, because the state ...
2
votes
2answers
137 views

Can I use THHN/THWN-2 within a lamp post?

Foreword: I've been using UF wire for about 10 years now, and I've really grown to hate it. It's hard to work with, hard to strip, and hard to pull through conduit. I prefer all my underground wire to ...
0
votes
2answers
97 views

Does electrical wires on exterior need to be in conduit?

Do I need to run electrical wires exiting the breaker box on the exterior wall of the house & traveling across the wall in conduit or can the wires be stapled to the wood siding with steel ...
4
votes
4answers
1k views

How do I get all these wires up from the basement to the attic?

I'd like to run new cabling for data, voice and tv but I'm having a hard time figuring out how to get some of the wires up to the attic for the 2nd floor and would like some advice. I've run cables, ...
2
votes
2answers
784 views

Is a splice permitted in a PVC conduit body?

I'm talking about something like this Type LB Conduit Body
1
vote
3answers
698 views

Why would you use copper electrical conduit?

This is not "home" improvement per se, but it fits the spirit of this stack exchange. While waiting for my train I was peeking into a ceiling that had all of its slats removed for some kind of ...
5
votes
4answers
2k views

Why is it good practice to remove sheathing from NM wire when going through conduit?

I've been discussing specifics of an electrical job with a licensed electrician and he mentioned that in my area, it's acceptable/recommended to feed 12 gauge NM wire through an outdoor conduit but ...
1
vote
1answer
1k views

How can I remove a stuck coax cable from a conduit?

In my newly-built house, an empty conduit was added into the foundation so that an antenna cable could later be pulled through. The conduit is around 9 meters long and has three 90-degree bends with a ...
4
votes
4answers
8k views

Can I use indoor Romex in buried outdoor conduit?

Or should I use outdoor Romex? I heard that outdoor Romex doesn't need conduit as you are just supposed to bury it. Edit: Ack, I should have mentioned I have existing conduit that I want to pull the ...
0
votes
1answer
134 views

Can the sheath of nonmetallic cable be removed prior to entering electrical metallic tubing (EMT)?

Can 2 romex cables be stripped before entering an EMT to allow more conductors in a 1/2" EMT? How would you transition from Romex to individual conductors going in or out of the EMT? Or is that ...
2
votes
1answer
238 views

How should I connect conduit in the wall to conduit on the ceiling?

In running conduit for a subpanel, I'm not sure how to make the transition from conduit running vertically in the wall cavity to running out from the wall along the ceiling. I could notch the top ...
1
vote
1answer
740 views

What are my options for running feeder cable into an exterior main panel?

I'm trying to connect a 4/3 nm feeder cable into to my exterior mounted service entry / main panel. There is already what looks like a 1 1/2" rigid conduit from the crawlspace through the rim joist ...
4
votes
3answers
248 views

What material to use to close a too wide wire tunnel?

During the cold days I noticed a little draft coming from the light switch next to my house door. Removing the switch revealed that the tunnel for the cables was widened to fit the cables for the ...
4
votes
2answers
429 views

Is there any NEC code requirement for how far off the floor Category 5 wiring must be run?

I am currently running conduit for Cat5e cable in the home office I am finishing off. Are there any rules in the code for how far off the floor Category 5 wires in conduit must be run?
7
votes
2answers
386 views

Do I need junction boxes where conduit containing data cables terminates?

I'm going to be running 1" blue PVC conduit from all my low voltage boxes to a structured wiring panel. My wiring panel will chase to the attic where necessary and I was wondering what the best ...
2
votes
2answers
2k views

How do I connect the wires inside a conduit junction box?

I have some wiring in my garage (done by a sparky believe it or not...) where the wire is quite loose, just tacked to the wall with clips, and there are a few junction boxes as well as the usual ...
2
votes
2answers
1k views

Should I be able to run some 1.5" PVC chase conduits from attic to basement next to a cold air return?

I have a new home I just moved in to and rather than having them put this stuff in ahead of time (silly me) I'm now trying to do it now. Here is my situation... I live in a 2 story home with a ...
1
vote
3answers
733 views

Should I be worried about this gap in electrical conduit?

Background My project this weekend is to get my garage repowered so my tenant will be able to plug his car in during the winter months. When I bought my house it was recently renovated by house ...
5
votes
1answer
8k views

How should I run speaker, HDMI and electrical wiring for my ceiling mounted projector theater room?

BACKGROUND: New house built 5 years ago. I have a basement theater room with 12 foot drywall ceilings that have HVAC conduit and recessed lighting (in other words there is some space behind/above ...
3
votes
4answers
2k views

How do I widen a hole in wood for flex tube?

I bought some 1" smurf tube so that I could run coax, ethernet, and speaker cable to various low voltage outlets in my house. I used a 1-1/4" speedbor bit to make a hole in the floor from my crawl ...
8
votes
3answers
6k views

Why is ENT rarely used for electrical wiring?

As best I can tell, the National Electrical Code 2011 allows electrical non-metallic tubing ("smurf tube" or ENT) to be used for running 120 V electrical wire. But everywhere I look, I see remarks to ...
10
votes
2answers
869 views

Can I use old abandoned iron pipe as electrical conduit?

I have an older house (1920) and I have been planning on doing some rewiring to get rid of some k + t stuff. Anyway, I just noticed today that there are some irons pipes that used to be part of the ...
8
votes
1answer
376 views

How should I install a signal cable duct from new home office to a wiring closet?

I'm constructing a new home office and rather than having fixed cables from the (existing) wiring closet, I want to have the flexibility to add/remove/change cables in future, so I've been looking at ...
7
votes
2answers
2k views

How do you protect romex at the end of an EMT run?

Sometimes you need to run a circuit through both protected & unprotected space. For example, you might put a recep in workshop (unfinished walls = unprotected) over a crawlspace (protected). To ...
1
vote
1answer
958 views

How do I insulate around conduits and into difficult edges in my attic?

I am thinking about adding a little over a foot of insulation to my attics. I understand that there shouldn't be gaps between fiberglass batts (I read that this can reduce efficiency by 25%, whatever ...
5
votes
3answers
3k views

Does a grounding wire from a breaker panel to an outside grounding rod need to be in conduit?

I've got a breaker panel in my detached garage (it is not a sub-panel, but is a primary forked off just past the meter). The panel seems to be wired correctly- the neutral and ground bars are tied ...
2
votes
1answer
286 views

What is the safe/proper way to run non-metallic conduit between floors?

I need to run a CAT5 line and a 22/4 alarm wire from my 2 story attic to the first floor. I have access to the interior of the walls (I will re-dryboard). I'd like to run carlon ENT from the attic ...
5
votes
3answers
935 views

Running electric cables in basement shop

I am setting up a workshop in the unfinished area of my basement. I need to run a couple of electrical outlets and would like to run them along the block walls through grey PVC. Will this be a ...
3
votes
3answers
2k views

What's the correct way to pass wire to exterior electrical box?

I'm doing some remodeling in our basement, and came across the following (see pictures). It looks like the contractor simply wrapped tape around the conduit to secure the box to the wall. How are ...
2
votes
2answers
697 views

What extra conduit should I include in a utility trench?

I'm putting in a trench with electricity + water + phone from the street to a future house site. The trench will be around 150' long. The electricity and phone will each be in their own conduit, ...
1
vote
4answers
3k views

How does the cost of conduit compare to conventional wiring?

I know I want to future proof my new construction by installing conduit instead of trying to guess what wires I'll want in 50 years. But I want to understand the cost of conduit vs. non-conduit, at ...
5
votes
2answers
442 views

How do I set up a wiring closet that connects to the exterior of the house?

I'm looking to build a central wiring closet for ethernet, phone, and co-ax. I would like this closet to have a single pipe to the exterior of the house, which service lines can come in through. ...