29 votes
Accepted

What is the device attached to my recessed light junction box?

It is a thermal protector for a recessed ceiling light. It will cut out the light if the temperature of the outside of the fixture exceeds the rating of the protector. All UL approved fixtures will ...
JACK's user avatar
  • 76.9k
25 votes
Accepted

Do new wire runs in an existing ceiling need to be stapled down?

If you are not removing more drywall than needed for the new recessed lights, then no per 334.30(B)(1) (assuming you are using NM cable). There are similar clauses for other flexible cable assemblies (...
statueuphemism's user avatar
16 votes
Accepted

Can I put a recessed light in a shower?

National Electrical Code is pretty clear on this, at least as of the 2014 version. It says that if the fixture is above the tub or shower, and within 8 ft. vertically from the top of the bathtub rim ...
Tester101's user avatar
  • 131k
12 votes
Accepted

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

If you search this on the internet you will find the fixture can be disassembled and the j-box can be accessed through the hole that the fixture is in. Therefore the joints are still accessible. Like ...
ArchonOSX's user avatar
  • 19.7k
10 votes

Installing lights in drop ceiling - do I really need multiple contractors?

This job could be done by a skilled handyman. Or a good DIY project as suggested by another answer here. It really depends on your current skillset. If you get one of those new flat recessed light ...
Cheery's user avatar
  • 2,957
10 votes

Installing lights in drop ceiling - do I really need multiple contractors?

I don't know about your skillset/interest, but this is a good diy project. You take down the old light. You figure out if you have enough wire to easily get to your first pot light. (If not, call an ...
Aloysius Defenestrate's user avatar
9 votes

How can I warm up my new LED recessed lighting

LED (and other) light bulbs are available in a variety of different color temperatures. Look at the packaging for the bulbs you bought. Are they labelled as "cool white" or "daylight" with a color ...
Shimon Rura's user avatar
  • 8,162
9 votes

Do new wire runs in an existing ceiling need to be stapled down?

Electricians "fish" wires through existing homes by the thousands every day without stapling. Staple if you can (every 4' in attics, within 12" of all boxes), and don't if you can't. Use some common ...
isherwood's user avatar
  • 126k
9 votes

Do new wire runs in an existing ceiling need to be stapled down?

In addition to good answers by @statuephemism and @isherwood, it's worth mentioning why you might want to staple and why in your case it probably doesn't matter. First reason to staple is to keep ...
Carl's user avatar
  • 1,034
8 votes
Accepted

How do I access the light in this recessed can?

The shroud around the bulb should just pull down and out a few inches before the tension wires lock. If it seems really solid then someone probably painted then replaced before drying and glued it ...
David Moritz's user avatar
8 votes

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

Removing this box is not a good solution when there are rigid conduits bringing wires into this existing box. The main reason for this is that those wires would still need to terminate into an ...
Michael Karas's user avatar
  • 64k
8 votes

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

You need to stop destroying stuff right now. Since your project is this light, you are assuming the universe is gracious enough to have ALL the wires in these conduits be ONLY about this light. That ...
Harper - Reinstate Monica's user avatar
8 votes

Installing lights in drop ceiling - do I really need multiple contractors?

Makes sense but in the wrong order. Hire the electrician first. He or she can remove the old lights and rough-in the new ones. After that, yes it's drywall and paint. And from the looks of your ...
Robert Chapin's user avatar
7 votes

Is 18 AWG wire with peeling outer insulation still good to use?

I rebuild real fluorescent fixtures with modern ballasts and use them as fluorescent (rather than convert to LED). What you're looking at there is TFN or TFFN wire. Very similar to THHN wire, but in #...
Harper - Reinstate Monica's user avatar
6 votes

How to remove / fix recessed light trim

Almost all recessed light trim rings are held in place by spring clips that grip the interior of the recessed can. However, some of those clips have sharp prongs to better grip the can. You often ...
bib's user avatar
  • 33.6k
6 votes
Accepted

Help identifying possible dual pot light plug

Thos MR16 GU5.3 light bulbs are 12 volt bulbs. The GU10 bulbs are 120 volt. There is little to zero chance that this is some sort of "Dual Socket". And if it were, it would still likely be ...
Jon's user avatar
  • 1,667
6 votes

Existing 20amp tandem breaker with 14/2 wires for basement light

Breaker is the wrong size The core problem is #14 wire on 20A breakers - you have to address that! Extending the circuit with #12 does not fix the problem! You must deal with the #14/20A problem. The ...
Harper - Reinstate Monica's user avatar
6 votes

LED "Can" lights not working all over my house

I realize you're used to buying "light bulbs" - just as your grandfather bought "vacuum tubes" for the radio and TV. However, then transistors came along, which were a solid-state,...
Harper - Reinstate Monica's user avatar
6 votes

How can I install recessed lighting where there's a joist in the way?

In the old days this would have been a big problem. But there are LED lights available now that don't require a big recessed can like old incandescent lights did. For example, this Halo light from ...
manassehkatz-Moving 2 Codidact's user avatar
6 votes
Accepted

How can I install recessed lighting where there's a joist in the way?

Could you alternate the lights on either side of the joist so they follow a zigzag pattern and avoid the joist? If you've already done one section in a straight line and don't want to patch your ...
Carl's user avatar
  • 1,034
5 votes
Accepted

Can I cut the recessed lighting housing rails to make them fit in joists 12" apart?

You can trim the rails so they will fit in a tighter space. Look close there are usually indents in the metal to help with cutting and snapping the rail to a shorter length. This is part of a normal ...
Ed Beal's user avatar
  • 102k
5 votes
Accepted

Should I use remodel or new construction recessed fixtures when installing a new ceiling?

Scenario #4 I would just remove all the old drywall and use new construction fixtures. It may seem like a lot of work but all these other problems go away. Plus my "drywall guy" would throw a hissy ...
ArchonOSX's user avatar
  • 19.7k
5 votes

remove a recessed light can

Chances are that this fixture was installed at the time of the home's construction. It'll likely have two crossbars that were installed across the gap between the two adjacent roof trusses or floor ...
isherwood's user avatar
  • 126k
5 votes
Accepted

How to organize multiple electrical wires going into an ultra thin recessed light?

Use an old work box to house the splices There's a simple way out of this, and that's to use an old work box mounted into the ceiling drywall to house the electrical splices. A 3 gang switch box ...
ThreePhaseEel's user avatar
5 votes
Accepted

What is the technical term for this style lighting?

Indirect lighting. example here Usually the light source is hidden by an archtectural feature, so the feature is constructed by normal building means and then the light source is hidden in it. At ...
Jasen's user avatar
  • 18.4k
5 votes

How would I replace this light bulb in the pic

That whole plastic base pulls directly out. That is a compact fluorescent bulb, be careful not to breathe any powder/dust that comes out of the broken tube(s), not good for you.
Jimmy Fix-it's user avatar
  • 34.4k
5 votes
Accepted

Changing the bulb in an enclosure

That looks like an integrated LED can retrofit fixture (a close match for some of mine - I see the supply converter screwed into the original can socket) and you replace the whole thing - there is no ...
Ecnerwal's user avatar
  • 191k
5 votes
Accepted

Can Rockwool Insulation be compressed or squished to fit through a 4'' hole and then rexpanded?

Yes, rockwool will expand after compression. I have often squeezed it into cavities through openings, and found it restores to the original size. Once pushed through it expands and you can reach in to ...
P2000's user avatar
  • 15.7k
5 votes

How can I add GFCI protection to these bathroom lights?

Lights, fans, heaters etc. in shower stalls or over tubs must be GFCI protected. You cannot conceal a GFCI above a drop ceiling. Your best bet is to find GFCI protected outlets which are already ...
Harper - Reinstate Monica's user avatar
5 votes
Accepted

How can I warm the color of cool white LED fixtures?

Often these type of lights can have the color changed simply by sliding a switch that is on a side of the driver, or sometimes inside the driver box. You will have to remove the lights from the ...
RMDman's user avatar
  • 22.1k

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