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Do box fill limitations only come into play when you have splices/junctions? If you have a box where a bunch of wires pass straight through with no splices, does the cu in capacity of the box matter? I was under the impression that it always matters, even when there are no splices in the box...

I'm probably overthinking this, but: I need to transition a NM cable inside a finished wall (drywall) to surface-mounted EMT with THHN wires. One option is to cut in an old-work box and bring the NM into that, and then install an extension ring like this to attach the EMT to: Or, can I simply...

I'm doing some electrical work on the shared wall between my finished basement and attached garage. I was going to cut in an old work box on the basement side of the wall, in the same stud cavity as an existing 3-gang switch box (also on the basement side). I was going to fish a piece of Romex...

Another thread here put this thought in my head: So, I know that every switch box now needs a neutral present (with some exceptions). Therefore, running a switch loop the "old fashioned way" by using a 2-conductor cable and putting some black tape on the white conductor is no longer permissible...

Today I had to unbolt the Y-pipe from the exhaust manifolds on my wife's car. I had to heat all of the nuts with a torch until they were red hot and then they came out fairly easily. But now the threads on the nuts and the studs are all gnarred up. I'm trying to avoid removing the studs. Do you...

I came home tonight and found a puddle of water around my oil burning boiler. I don't know too much about how the system works and need some input. (I have baseboard hot water heating) There is a pipe coming out the back of the boiler, with an expansion tank on top (see pics). There is a valve...

I feel like this question has been asked a million times before, and I feel kind of dumb for asking, but I'm getting a little overwhelmed reading through dozens of threads, some with conflicting information, and getting confused. So, I'm trying to decide which type of wire to use to feed my...

This happened at my uncle's house. A couple of weeks ago we had a really windy night, and this gigantic tree uprooted and fell on his garage. My other uncle was storing his 75 Olds Cutlass in it, and it was crushed. Everything else in the garage was undamaged. The garage was demolished and...

I'm about ready to buy wire to feed my subpanel. It's going to be fed from a 90 amp breaker. Total length is only about 16 ft. I was going to use 2-2-2-4 MHF cable, but Home Depot only has this 2-2-4-6 cable...

I'm installing a subpanel in my garage. I'm going to run 2-2-2-4 MHF aluminum cable to feed my 90 amp subpanel. I'm using 1.5" RMC (yes, I know it's overkill for this application) to go down the wall from the main panel to underground. Once it's underground, I'm going to transition to direct...

Back with yet another compressor wiring question - I plan on adding a starter/contactor to my compressor when I get it hooked up. I want to add a remote switch to switch the contactor on and off from the garage (compressor and starter are in another room). What gauge wire should I use for the...

I tried searching but couldn't find an answer to this question, but I think I know the answer: Is it legal/up to code to have a switched receptacle, where the switch and the receptacle are in separate rooms? I want to have a switch in my attached garage that controls a receptacle in my utility...

I bought a 90 amp breaker for my subpanel feed. It's an Eaton CH breaker. I'm having a difficult time stabbing it onto the bus bar. I noticed the breaker has these spring clip things around the contacts. Am I supposed to remove these clips before installing the breaker? I think it will install...

I'm trying to replace an outlet in my kitchen. It is in a metal box with a mud ring like this: The old outlet was hanging halfway out of the box because the box is too far away from the drywall. It's behind the drywall and I can't remove it without hacking up the drywall. I need a mud ring that...

I feel like this is a stupid question, but is it legal/code to have a doorbell transformer fed from the load side of a GFCI receptacle?

I have a light switch in my laundry room that does nothing. It had power connected to it, which I disconnected. Even with the switched leg disconnected, everything in my house works. I have tested literally every light and outlet. And yes, I'm aware of the tabs on outlets. I tested both top and...

I have Mitsubishi Mr. Slim ductless mini-split systems in my house for air conditioning. I have an outside condenser right outside my garage with two indoor evaporators connected to it inside. Can I add a third evaporator in my garage? How many evaporators can be connected to a single condenser...

My wife and I are expecting our first little one in a few months and I'm getting the bedroom/nursery ready with new paint and stuff. I'm going to redo all the connections to the outlets (they're all back-stabbed :puke: ) and also thinking about replacing the outlets for a color that isn't ugly...

I need to secure 1.5" rigid steel conduit to the outside of my house. I'm using this type of clamp: What type of screw is best for securing the clamps to the house? Just galvanized wood screws? Lag bolts?

I'm installing a 90 amp subpanel in my attached garage. I'm not sure what the best way to get the wire from the main panel to the subpanel is. I have attached pictures to show where the wire needs to go. I was planning on using 2-2-2-4 SER Al, unless someone has another suggestion for wire. The...