Questions tagged [electrical]

Distribution and use of electricity throughout the home. Electrical standards vary greatly worldwide, so providing your location in your question or your profile helps ensure you get answers that are relevant to you. Posting photographs of wiring junctions or drawing a wiring diagram and posting it is also highly recommended.

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16
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5answers
5k views

Does unblocking power bar outlets through short extension cords increase fire risk?

Power supply units will often be greedy and block access to adjacent outlets in a power bar. A simple solution is to use 1/2 ft or 1 ft (15cm, 30cm) power extension cords to keep all outlets in a ...
2
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2answers
711 views

Can I use #10 wire for a 30A, 240V pump circuit?

I stand corrected, 240v not 220v so I hope my question now makes sense. I have 2 30amp breakers connected together. I believe this gives me 240v. I plan to connect this circuit to a 240v irrigation ...
0
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2answers
51 views

Will petroleum jelly applied to the rubber on the outdoor power outlet help prolong the rubber life?

After just a few years say 8 to 10 the rubber has been 'eaten up' by micro-organisms. Will petroleum jelly prevent that meaning prolong the life of the rubber?
3
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2answers
16k views

Do I need to ground my above ground pool / with saltwater system?

I just bought a 21'x52" above ground pool. I am going to use a saltwater system with it. Do I need to ground this pool ?
0
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1answer
72 views

Electrical socket working for washer but not sump pump

My washing machine is below grade, so is dependent on a sump pump. both appliances have been plugged into the same 3 prong duplex outlet, for years. The sump pump stopped working, and after cleaning ...
27
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7answers
93k views

Extension cord and power strip safety

I've heard that there are some safety and building code issues involved with using extension cords or power strips (surge protectors) for anything other than temporary use. What are the issues, and ...
0
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1answer
26 views

External Air Conditioner Condenser Capacitor replacement

I have a couple of questions about testing and replacing the capacitor on my home heat pump external condenser unit. 1. How can I reliably test the capacitor (what tools do I need?) 2. What safety ...
0
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0answers
21 views

Power supply of VCR [on hold]

My VCR was not working, I wanted to restore it. I don't have enough knowledge about circuit components. Can you tell what it that white round colour thing in the picture?
5
votes
4answers
17k views

Electrical wiring under deck

If I run electrical wiring under a deck, what conduit and strap material / grading do I need? It doesn't have to be the underground / metal materials, right? I like to build something similar to this ...
2
votes
1answer
37 views

Can fuses be intermittent?

While I was at work today I had a power outage in one of my rooms. I know because I had multiple computers in there that were off for several minutes(fully booted back up in 14 minutes), but the ...
1
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3answers
32 views

Rafter above location for light, exterior light box choice

Retrofitting from knob and tube. One location has a rafter directly above where the light should go (and currently is). The ceiling is 3/4 in beadboard. Can I use a 4 inch pan box cut in to the ...
0
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1answer
40 views

Is it more efficient to turn my AC unit off periodically vs. keeping it on only while in the room?

I have an AC unit in my bedroom + workspace. I use its "auto" fan speed and "energy saver" mode (rather than "cool" or "fan only"). I'm wondering, which strategy is more energy efficient and by ...
3
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2answers
103 views

Mysterious ground wire

So I’m trying to replace my old light switches with some nice new dimmers but I have a problem. As you can see in the picture, all the ground wires run up and out of the box to an unknown location. ...
0
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1answer
35 views

LED not working on some sockets

So I've gotten one of those wifibulbs that you can change the color through an app and all that. My problem was that it works with table lamps and standing lamps but it doesn't with the hanging ...
2
votes
3answers
94 views

My house breaker box have only breakers which seat only 1 wire. No seat for a load neutral. Can I still install a GFCI Breaker?

My house breaker box have only breakers which seat only 1 wire. No seat for a load neutral. Literally one screw on the breaker. There are neutrals on the bar and everything works no problem. I want ...
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4answers
2k views

Can an electrical junction box be closed and covered if not needed?

Can an octagon fixture box that was also found to be a junction box, be closed and covered over in the ceiling after remodeling. Box not needed.
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2answers
140 views

Why are there only 2 white wires in my celling outlet box for me to install celling fan and light?

I am replacing the celling fan/light in my kitchen and when I removed the old one I didn't pay attention as I was unhooking the wires, but when I went to install the new one realized that the only 2 ...
0
votes
1answer
7k views

UK plug socket won't turn off

I have recently replaced a double socket that had a short circuit fault on the right hand socket with a new one from B&Q. After long periods of use the right hand switch refuses to stay off. If I ...
1
vote
1answer
64 views

Induction cooktop connection

I have a new induction cooktop Bosch PIF645BB1E rated at 7.4 kW. According to its documentation it should be connected with 5 wires (2 phases, 2 neutrals and 1 PE wire). From a former flat renter I ...
1
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3answers
80 views

10/3 Aluminum 20A with multiple electrical circuits? What is correct wiring?

I have a house built in 1971 (EQ Load Center - 200 amp service panel) that is all aluminum wiring and I remodeling the kitchen. The existing wiring is technically working but questionable. We have ...
0
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2answers
148 views

Running wire in basement with drop ceiling

I’m continuing on updating my basement and have a few questions I hope someone can answer since I’ve had luck here before. The basement has a drop ceiling too. The lighting used to be tracking ...
0
votes
1answer
766 views

Parallel circuit between switches for bathroom fan outlet wiring

While upgrading a fan switch to a timed switch I came across the wiring as pictured below. What purpose does the line daisy chaining these separate light and fan switches serve? Should I remove or ...
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2answers
569 views

Wiring 100 Amp subpanel

I know this subject seems to be debated to no end but I have a few questions/comments. My main service panel is in my attached garage and I want to add a 100 amp subpanel about a foot or 2 to the ...
0
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2answers
60 views

Is it safe to touch wire testing at low to medium voltage on a 14 or 12 gauge wire, 15 or 20 amp (current) circuit?

Title is the question. I'm using a Klein NCVT- 3 Voltage tester with a bar graph indicating voltage, and don't see anything in the instructions, and haven't ran across anything in a textbook or ...
4
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1answer
35 views

Minimum distance from receptacle terminal to conduit connector

Is there a minimum distance required from a receptacle terminal to a conduit connector? Surely this is defined in the NEC somewhere right?
0
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2answers
72 views

Internet random disconnects when fan switch is turned on/off

Hi Saviors on the internet, Recently, I have been having this issue within my apartment is that when I turn on/off my fan there will be a power surge within my house and sometimes causes my internet ...
2
votes
2answers
70 views

I opened a light switch and found an unterminated wire in the junction box. Is this unsafe?

I switched of the main circuit breaker to the house and opened up a light switch to see if I had a neutral wire, so I could buy a smart switch. But when I took off the plate I found what appears to ...
0
votes
1answer
53 views

Dim only certain lightbulbs on a circuit?

The builder built my house with multiple outdoor lights on a single circuit. Most of the lights are non-dimmable LED wall fixtures, but 2 of them are dimmable 6" LED baffles under an overhang. He ...
1
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1answer
53 views

GFI Outlets and GFI Breakers

Have a dedicated circuit for our freezer which has a GFI circuit breaker feeding a GFI outlet in our laundry room where the freezer is. Unfortunately, the GFI Breaker trips with the slightest power ...
11
votes
10answers
152k views

Why would a GFCI trip on refrigerator circuit?

My refrigerator is tripping the GFCI on the socket into which it is plugged. Searching about this topic seems to indicate that this is a reasonably common complaint. However, I can't find any ...
0
votes
2answers
82 views

Can i use step-up transformer to transform 110v to 220v for my window AC?

Most receptacles in my house only provides 110V. I would like to install a 2500 W 25000 BTU window AC that requires 230V. It draws a current of up to 15 A. Can I plug a step-up transformer to the ...
1
vote
1answer
52 views

How do I qualify for the 75C table in the ampacity chart?

Suppose we direct-buried some 8 AWG cable. It's now under a parking lot, and retrenching it is out of the question. Now, needs have changed and we need to get 50A out of the circuit, which is ...
0
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1answer
37 views

In conduit with 75C wire, can I use #14 wire for 20A circuits?

I note that with 8 AWG wire... in NM-B (Romex) cable I can only get 40A: I am required to pull from the 60 degree C column of Table 310.15(B)(16). However, in conduit, with 75C wire (THHN) and ...
1
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4answers
285 views

Can a surge protector prevent nuisance AFCI breaker trips?

I have a problem with AFCI breakers tripping in my 2 and a half year old house. The builder's electrician said that the cause is from power surges coming from the electrical company and that I need to ...
0
votes
1answer
49 views

How to find leak in washing machine?

My Bosch WAS32783SN washing machine that is 7 years old, and often I get Error F-23, which according to this list is F23 is flood protection in base of machine activated. Pull machine forward onto ...
2
votes
1answer
84 views

Subpanel Vs. 220v-240v NEMA 14-50

Thank you in advance for your advice! My project is to install a 220v-240v NEMA 14-50 outlet at my house’ s attached garage, which is nearly 65 ft/one way, from the house’ s main electrical panel / ...
1
vote
4answers
188 views

Critique my plan for circuits

New addition to house is 576 square feet total - master bedroom, bathroom, walk in closet, house entry foyer, and porch. Here's my plan. 15amp dedicated circuit for fire alarm 20amp dedicated ...
1
vote
1answer
118 views

Why does my garage still have power when the house main is shut off?

I still have power in my garage.. I cant figure out why I still have power on. It's a new garage built on to the house.
0
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1answer
62 views

Can I replace a 4 wire ballast with a 5 wire one?

Can I replace a 4 wire ballast with a 5 wire one? The new ballast has an extra blue wire.
5
votes
5answers
5k views

I do not have power to all my breakers

I exchanged my double pole 40 ampere breaker that supplied my sub panel for my garage with a single pole 40 ampere and now out of my six breakers in the sub panel only 1,3, and 5 have power. How do I ...
8
votes
1answer
45k views

What type of wire should I run when updating a ceiling fan?

I started to change out my ceiling fan and noticed the support brace is actually laying on the drywall and not firmly attached to a beam. I also noticed the new fan has a blue wire where the wiring in ...
0
votes
0answers
57 views

Running Electrical cable through Loft/Attic

So we have had a car charger installed outside the garage, which is currently powered by standard twin and earth. is it ok to run an armoured cable from the meter, through the loft, (going up the ...
7
votes
8answers
51k views

Can you do electrical work yourself in the UK?

I have been told that you are not allowed to do any electrical work yourself in the UK and need a qualified electician to do it all. Is this true? What can you do yourself?
4
votes
5answers
35k views

How to diagnose an electrified refrigerator frame?

Recently (or, perhaps, I recently noticed) my garage fridge started shocking me if I touch it in the wrong place. (A sampling of "wrong" places: the door hinge, a spot on the other corner where the ...
4
votes
3answers
958 views

Connect neutrals together in 3-gang box (load side) with 3x 3-way switches?

I have 2x 3-gang boxes, each with 3x 3-way switches in each box. All are on the same 15A breaker. I have wired them together and I'm just connecting the switches now. I have: -----...
2
votes
1answer
52 views

Figuring out electrical connections for THREE electric baseboard heaters with single pole thermostats

I recently purchased a home (triplex) and in the basement unit, which is a one bedroom apartment, there are three baseboard heaters (bedroom, washroom, and living room). The issue is that the living ...
4
votes
1answer
59 views

Grounding for Outdoor Outlet

I have an outdoor outlet about 60' from my house. It is properly wired using an underground cable with ground. It is in a plastic box with plastic conduit protecting the stub-up. Recently a tree ...
1
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1answer
38 views

Light switch wiring rats nest

Fixing some switches and adding Wifi switches to a home I just bought. I pulled out some old style switches from this box and added 2 WiFi switches plus a 3 way paddle on the right. I believe a 3-...
2
votes
1answer
93 views

circuit box problem

Sparks flew out of my breaker box, probably due to faulty wiring. In an effort to troubleshoot, I removed all the breaker and labeled them. Got a wire tracer and tried to trace the wires to see ...
0
votes
0answers
23 views

power to outlets and switches [duplicate]

thank you for responses on my earlier question some background on my problem I had to completely disconnect my sub panel to do some work when I wired it back up and with breakers in the sub panel in ...