Questions tagged [old-work]

Electrical wiring and junction boxes that are designed for usage in an existing home.

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2
votes
1answer
184 views

How should an unused knob and tube run be terminated?

What are the safe and compliant options for terminating an unused knob and tube branch? In this instance, insulation will be applied, so the fixtures and receptacles previously on this circuit have ...
6
votes
4answers
673 views

How do I keep a GFCI outlet with tight clearance from shorting inside a steel electrical box?

I was replacing outlets and faceplates in my kitchen, finding mostly original electrical boxes or blue old-work boxes, and everything was going fine until I tested a double-gang GFCI outlet and outlet ...
1
vote
2answers
275 views

Vanity light installation using an old work box

I have a vanity light that weighs 5.6 lbs. The old work box I have is rated for 6 lbs. This seems very close to me. Is there something else I should be using?
0
votes
1answer
64 views

Grounding recommendation at a remote receptacle/ground rod?

My home was built in the 1930s with knob and tube wiring. The previous owner(s) replaced or augmented it, a bit at a time, and when I purchased the home from the last one he said that there was no ...
3
votes
3answers
27k views

How do I safely extend electrical wiring without replacing it entirely?

I'm in the process of replacing a light fixture with a ceiling fan. I replaced the old mount with a pan ceiling support box. The wiring is old (1920s) and inside armored cable coming through the stud. ...
7
votes
4answers
5k views

"Old Work" electrical box: should it be screwed into the stud?

I'm interested in replacing an existing outlet (in a wall that's finished with drywall) with a two-gang duplex (four outlets total), using an "old work" box. This box is located in the ...
0
votes
1answer
279 views

How to fix broken screw hole in ceiling box? (re: ceiling light fixture; how to replace the box?)

I was trying to take down the ceiling light above my kitchen table and in the process one of the plastic screw holes in the ceiling box broke: This ceiling box holds a ceiling light (14.2 lbs) so I ...
0
votes
0answers
61 views

Why does a light switch that is switched off show 50 volts between hot and neutral? [duplicate]

It's a two-wire light fixture without ground. When the switch is on I measure 120 volts between the hot and neutral in the ceiling fixture. If I switch it off I measure 50 volts. Why?
1
vote
1answer
63 views

Tips for getting cables through old work box knockouts and into wall

I’m replacing a botched 3 gang switch box (formerly consisted of two incompatible boxes together, cover plate did not fit right). I have clamps on all my cables and am ready to put them through the ...
4
votes
3answers
1k views

How to remove old-work ceiling light fixture box attached to conduit pipes

I am trying to install thin LED recessed lights in my hallway. I need to remove the old ceiling box, as shown in the picture. I tried to remove the box for the whole day but was unsuccessful. I cut ...
0
votes
2answers
147 views

Tips for replacing a wire inside a wall?

Last night we were experiencing some power glitches then around 1am it went out completely, but only part of the house. Thinking there could be a potential fire hazard somewhere, I stayed home today ...
3
votes
2answers
55 views

Need Tips for Mounting screw-in Slider electrical Boxes

I know they've been around awhile but I'm still kind of new to them. I occasionally have to mount these Allied slider boxes in new and old work situations, and sometimes they go in perfectly with no ...
0
votes
0answers
26 views

Old wiring trying to change a switch outlet to half hot outlet

In setting up my work from home office in my 1950's triplex I am trying to change an outlet from a switch to half hot. I snapped the tab on the side but when I was working with the wires realized I ...
1
vote
1answer
434 views

Replacing old 60's junction box with recessed lighting

I want to replace a light fixture that was put in the 60s with recessed light. The junction box looks to be held in place by a metal 'u' shaped bar, with the 'u' bend going over the junction box. ...
0
votes
1answer
509 views

Switch outlets to permanently hot. Switch to control new recessed lights

I have a small room with one switch outlet and 3 Hot outlets on the same circuit. The work is old and ungrounded. I’m looking to make the switched outlet permanantly hot and use the switch location to ...
4
votes
3answers
8k views

Old Work Box for Vanity Light?

So I went to go change my bathroom vanity light today and discovered that it simply had the wiring coming through a hole in the wall and the previous vanity was literally just screwed into the wall ...
2
votes
1answer
302 views

Possible to attach an external electrical box to an old work box?

I have an old work box occupied by 6 ethernet keystones and the corresponding wall plate. I want to use a branching raceway to hide the ethernet patch cables coming out of the wall. But without other ...
1
vote
0answers
411 views

Can I ground a new light to an old metal box via a switch yoke?

All of my switches are installed in old metal boxes with no threaded ground screw holes. The boxes are wired using old cloth BX with no ground wire(grounded via casing). Some of the BX wire ...
2
votes
1answer
1k views

Attach receptacle box to baseboard via screws through plaster ears?

The plaster ears on old work metal receptacle boxes (see example) each have two holes on the face of them. Is it ok to put screws through these holes to secure the box to baseboard? In this ...
2
votes
2answers
257 views

What are the considerations for crawlspace encapsulation barriers / humidity control?

I live in a house that's half slab, half crawlspace. The crawl is half basement. Typical crawlspace/basement humidity readings are: 80% RH @ 67°F 85% RH @ 68°F 78% RH @ 67°F Where in the ...
4
votes
1answer
2k views

Install fire/smoke alarm directly to stud or in electrical box?

I am installing (6) brand new smoke alarms in my home, including running all new 14/3 wire to each alarm. I have purchased "old work" electrical boxes for all of the alarms. However, the existing ...
3
votes
1answer
8k views

Plastic electrical box tabs - ok if broken?

I've come across this using "old-work" boxes, but all plastic boxes for switches and outlets are basically the same: These boxes have 4 knock outs per gang and they open at an angle. They seem to be ...
0
votes
1answer
52 views

Converting a table into a counter

I want to take a sentimental (but not expensive) table that my father built my husband and I for our first apartment. He used old spindles from my parents first home and the hardwood . And made a ...
1
vote
1answer
206 views

How do I add wire to a rusted electric box?

I'm adding a plug to a closet so that I can put my server and router in there. I am trying to daisy chain it off of the nearest plug, but when I try to remove any of the knockouts they won't budge, ...
0
votes
1answer
152 views

Repairing a circuit when the break is unknown and inaccesible.

Background: 100+ year old house with lots of really janky, messed up stuff. Some novice before me has been monkeying around, so don't assume that the current wiring is sane, safe, legal, modern etc. ...
2
votes
0answers
4k views

Am I going to die of Cancer from Asbestos if not handled correct? What more should I do? [closed]

So I have scrapped down old pop corn ceiling and removed staple on tile on drywall attached to plaster, that can be only lord knows how old. I didn't hang any barriers up as we are planning to do ...
0
votes
2answers
1k views

How should I mount a rework box if it has to go through an MDF/wood panel and drywall?

I need to install a combination power and low voltage box in the ceiling of my finished basement for my home theater projector. I can't bolt the projector mount directly to the studs because of ...
2
votes
1answer
274 views

How do I wire a switch to a fixture that is served by wires in an iron pipe?

I have wall sconces similar to the one pictured below in my apartment: The only difference between this and the picture is in addition to containing the switch, there is a power outlet in the bottom ...
2
votes
3answers
31k views

Is it possible to install a ceiling fan without an electrical box?

A while ago I had some electricians install a ceiling fan mount. Now that I've finally gotten around to installing a fan I've discovered that they didn't install any sort of electrical box to house ...
7
votes
1answer
1k views

How do I install an old work junction box around fire blocking?

I have an interior wall with a one-gang light switch; it contains a dual dimmer. I'm trying to change this to a single dimmer, and to add a new switch (to drive the other load) on the opposite side ...
5
votes
2answers
918 views

How can I trim off the corner of this stud?

As I was preparing to install a 3-gang old-work box I discovered a random cripple stud whose only purpose for existing is screwing up this project for me: In the bottom right is the corner of a 2x6 ...