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-1
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0answers
20 views

32 volts being back-fed on a 3 way switch circuit

I've been wiring 3 way switches for years but this one has me. We have a 3 way circuit for a ceiling fan/light. Power is being fed at the oct. box. When the switches are off, I have 32 volts being fed ...
2
votes
2answers
79 views

How can I power multiple raspberry pi around the house?

I am planning to power multiple Raspberry Pi's around the house. Some will be security cameras, one will be a media player connected to TV and another one will manage home network and maybe a website ...
0
votes
0answers
23 views

How to ground old style Romex (no ground) multi-wire circult

I have a multi-wire that is very old and doesn't have a ground. I'd like to change this to using new Romex so that AFCI breakers will work. My question is this... Can I band the red wire in my ...
10
votes
1answer
2k views

During a lightning storm, what causes the lights to temporary cut off and on?

I know it is pretty common during a lightning storm for lights to temporary cut off and on, but where and how and why is this occurring? Is the transformer temporally shutting off power to prevent ...
2
votes
0answers
30 views

Increasing the size of a sub panel

I am considering solar and the easiest place to connect the system for grid-tie is into a subpanel. With the 2013 CEC, this is permitted. However, I have a slight problem. I don't have any free ...
3
votes
2answers
105 views

Troubleshooting dropped phase in 240 volt line

A 60 amp breaker in our circuit breaker box serves a sub-panel in our barn. That panel serves 5 120 volt lighting and convenience circuits. The sub-panel has two bus bars, each attached to one phase ...
2
votes
4answers
191 views

Are power outlets in a home out of phase with each other?

I'm working on a science project and there's one aspect of home wiring I need to find out (don't worry, I'm not messing with wiring - this is all on paper). Since 120V outlets in a home can be wired ...
0
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0answers
31 views

How can I switch an electrical circuit from one dwelling unit to another?

I recently purchased a 2 family home and decided to live in the 2nd floor unit. My new tenants on first floor are concerned because the basement and front entrance electrical are hooked up to the 1st ...
2
votes
1answer
96 views

How many outlets for a small recording studio/media room?

I'm getting ready to close the deal on a house that has a 20' x 20' detached garage that I will be converting into a recording studio/media room. I'm going to be running two main power amplifiers (A ...
1
vote
0answers
45 views

Circuit Location Detection

We recently got a nearly double electrical bill during the previous cycle. I, wrongly, assumed it was just a fluke and my family had left some things on longer than they were supposed to. This ...
0
votes
0answers
28 views

Why is my short circuit miniature circuit breaker not tripping?

I have two three-phase consumer units in a bakery. One is the latest Wylex that's recently been installed. It serves ovens and fridges etc. The other one is an old installation Crabtree with brown ...
0
votes
2answers
120 views

Parents cable box caught fire, hour later half the house is out of power?

So, My dad was working on a leaking sink in a bathroom and my mom yells there is a fire. Their cable box caught fire, they put the fire out without a problem and mom called the cable company. While ...
3
votes
1answer
105 views

GFCI Kitchen Circuit(s)

I understand that all wall receptacles (including counters) must be GFCI protected in a kitchen with a combined dining area but how about a separate dining area/room receptacles (separated from ...
3
votes
1answer
33 views

Bank of wall outlets not working

I have a bank of wall outlets that are not working. I have checked the fuses and found all of them check ok at 120 v ac. I then replaced all three outlets with new ones and still have no power. I did ...
1
vote
1answer
132 views

Can I feed a panel 200' away from a double pole 30 ampere breaker using 10 AWG copper conductors?

I need 14 amps at my boat house to run a boat lift on 120v. The boat house is approximately 200' from main panel. I can run conduit and #8 wire and make it work with no problem, but I will need to buy ...
1
vote
1answer
116 views

ground wire sizing

what is the required ground size relative to the associated hot and neutral? For example: if I am connecting a sub-panel with two #4 hot leads and one #4 common lead, what size wire is required to ...
1
vote
1answer
72 views

How many “layers” of surge protection is considered useful?

I want to make my whole house surge protected, there are several solutions available You can install MOV based surge protection on the entire house in line entry point - first line of defense You ...
0
votes
1answer
86 views

Can I wire a box with two 120-volt duplex outlets each wired to one leg of a 240-volt 3-wire plug?

In my shop I have plenty of NEMA 6-20Rs (240-volt, 20-amp receptacles) and not enough NEMA 5-20Rs (120-volt 20-amp receptacles). These are all right next to the panel. My goal or my desire: I want ...
1
vote
1answer
248 views

What size breaker and wire do I need to feed a panel for a tankless water heater?

I purchased a electric tankless water heater and I would like to know the following? The unit requires 3 separate 40 amp breakers, one for each line. I have 200 amp service. The subpanel will be ...
1
vote
0answers
103 views

Unsure about wiring in electrical box

My circuit box door says that Dryer and outside outlets are connected on breaker 13 and 14, uppon opening the box and retracing wires I found that Dryer wires are just dangling inside the box not ...
1
vote
1answer
117 views

Can I merge two ceiling light fixtures into one with two wall switches?

I have two ceiling light fixtures on two separate wall switches that I would like to merge into one light fixture controlled by the two separate wall switches. Do I just make one of the wall ...
1
vote
0answers
95 views

What should I do about multiple feeds on the same light switch?

I have a bank of 6 light switches all single pole that have 3 separate feeds going to them. 2 of the 3 feeds are tied together and are connected to 3 of the switches, requiring that I shut off 2 ...
0
votes
0answers
17 views

diagram for wiring of multiple pendant lights in basement [duplicate]

Could you provide me with a diagram in order to wire 3 pendant lights w/ 1 switch, the power is located at my 1st fixture.
3
votes
2answers
1k views

Can I wire 3-way switches so that when they are both in the same orientation the light will be off?

I replaced my 3-way switches. Is it possible to have either switch shut the light off, by pulling down on the toggles Either switch does shut the light off, but then one toggle is up, and the other ...
2
votes
1answer
265 views

Can I somehow wire my generator to my power pole?

I have a power pole that has a 200 amp breaker before it enters my house and a 30 amp (240) breaker for my well. Again, both are outside before the electricity enters my 200 amp house box. Is there a ...
2
votes
2answers
812 views

Suitability of flexible metallic conduit serving as ground

EDIT: The attached photo is the most easily accessible example of the conduit used in the entire house. This shows the conduit attached to the garbage disposal with the previously mentioned 3/4 set ...
1
vote
1answer
192 views

GE Load Center Q's

I have an old GE meter socket load center (see picture). I have no idea what the model number is because the paper label on the inside of the lid is unreadable, and I have been unable to find any ...
1
vote
3answers
293 views

How many amps does it take to power 2 AC's, a freezer, a refrigerator, 2 TV's, and a computer?

I'm making my garage into a living place and I put in a 50 amp line from my house to the garage. The garage has its own fuse box but I want to have an upstairs living area and a downstairs man-cave. I ...
0
votes
4answers
419 views

Should a neutral wire ever be connected to the neutral for the power meter?

I was not working with this circuit breaker box but I was interested to see what was going on with only 3 breakers for the entire apartment. I found a neutral from the apartment going into the ...
2
votes
1answer
141 views

Main breaker on load center won't open

I was in the process of connecting a Reliance generator trow over switch , although the job was completed , I was trying to shut off power to the entire house by opening the main breaker but would not ...
3
votes
1answer
670 views

Unused electrical duplex box, soon to be hidden behind a bookcase?

I'm getting ready to install bookcases for my home office (SouthWest USA). One wall floor to ceiling consisting of four units screwed together. In one place there is a duplex outlet right behind the ...
3
votes
1answer
372 views

Does the circuit providing a light at the electrical panel have to be ONLY for that light?

Does the circuit providing a light at the electrical panel have to be ONLY for that light? I'm fairly sure there specifically has to be a light at the panel, as well as a circuit with an accessible ...
1
vote
3answers
4k views

How many lighting circuits are needed in the LED era…? (US - NEC)

This is in a two story, ~1000square foot per floor building. With the advent of affordable, decent (IMHO) LED fixtures (finally!) the entire lighting load for the structure looks to be 500W - 1000W at ...
0
votes
0answers
86 views

Terrarium electric board

[hope this isn't off topic for this board] I'm doing a DIY electric board for my terrarium: in case something goes wrong at least the whole electric circuit won't switch off. My current setup is a ...
1
vote
0answers
263 views

Live wire running through entire apartment wall?

I'm currently renting an apartment and my spouse and I want to hang a metal fixture above the wall where our bed is (in lieu of a headboard...for now at least). Where I want to hang it is 4 feet above ...
3
votes
1answer
4k views

What is a bus bar in an electrical switch board?

I am doing some research in electrical wiring and mains switch boards and was wondering what a bus bar is and what it does?
0
votes
1answer
1k views

How can I connect a 120V compressor to a 3 phase WYE 208 electrical system?

I have 4 cables from a power supply which are 3 phase WYE 208 volt. so if I measure between neutral and hot I get 120V. The problem is that I need to hook up a compressor for 110V single phase (just ...
10
votes
1answer
965 views

What are “termination points” and why do I need them on my electrical supply?

An inspection of my electric supply service on the outside of my home in Maryland said I need 3 termination points and two grounding rods. The grounding rods I can get but I have no clue about these ...