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.

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7
votes
5answers
8k views

What could be causing AFCI breaker and GFCI receptacle nuisance tripping?

I have a very unusual set of electrical issues that have proven difficult to troubleshoot. I live in a newly constructed house. Each bedroom has AFCI breakers. In the past 3 years living there, the ...
0
votes
0answers
16 views

Current-sensing circuit for pool booster pump activation [closed]

I have a Pentair IntelliFlow Variable Speed pump (wired for 230V) which has built-in timer and speed controls. I'm seeking a solution where at some current set-point a relay will send power to my ...
2
votes
1answer
80 views

What is the grey wire dangling from my ceiling?

We recently moved into a new apartment in Berlin. We are the first occupants and thus there are no existing lighting fixtures. In the living room there are 4 light switches (1 & 2 on the left of ...
2
votes
1answer
34 views

How should I wire my pool heat pump?

I am wiring a new heat pump-- 50K btu, 208-230v ~60 hz. Plaque on side says 12a running current, minimum 20a circuit, max 30a. My breaker panel for the pump is a sub panel running off the main with ...
3
votes
0answers
39 views

Different circuit breakers keep tripping, some not re-setting

Background: South Carolina house built in 2009, assume all electrical systems, main panel and circuit breakers new at that time. I moved into the house in May having transferred from the UK. I brought ...
1
vote
3answers
71 views

Why would the receptacles in the kitchen not have power after replacing one of them?

I replaced a receptacle, and made sure the wires were in the same order they were originally in when I hooked them back up. I turned power back on and there was no power to the receptacle I changed, ...
4
votes
1answer
45 views

How to get switched and constant power combo on an outlet

I have electricity coming into outlet box from two sources, one is coming via light switch and another one is coming from another outlet. So I want the top of the twin outlet to be controlled by the ...
0
votes
1answer
17 views

ring main/RCD max amps - confused (UK)

I've split my question up into two parts: Part 1 After investigating my consumer unit (after I first started to wonder about things in part 2 below) I'm confused regarding the AMPS my RCDs are rated ...
0
votes
3answers
93 views

Do I need a neutral wire when connecting a 240V device?

So this is still not very clear to me: I am trying to get 240V to an appliance that does not need a plug (direct wiring), I won't need a neutral wire, is this right? In fact there is nowhere to ...
1
vote
1answer
22 views

What does a slow beep mean from a Klein non contact tester?

I am using a Klein non contact voltage detector and when the power is switched on I get a fast steady beep. And when I switch the breaker off I get a slow beep. Does this mean I am safe to cut the ...
0
votes
1answer
34 views

How do GFCI breakers behave on two wire circuits?

Will a GFCI breaker nuisance-trip if a three prong outlet has a jumper between ground and neutral on an old two wire system?
2
votes
1answer
37 views

Can I install a dimmer switch on a 2 way circuit?

I have a 6 lights controlled by 2 normal switches (2 Way Circuit). I want to replace one of the normal switches with a dimmer switch. Is this possible?
4
votes
3answers
6k views

Can I use a cord and plug to power a wall sconce?

I have a wall sconce that my wife really likes and wants installed on an interior brick wall. The sconce she purchased is designed to sit on top of a wall box that has been prewired. I don't want to ...
1
vote
0answers
41 views

All outlets on one 15-amp circuit, need AC unit

The central AC in our apartment is not working effectively in the summer; we are running the AC continuously for 14 hours a day to keep the temperature below 80 degrees. As you can imagine, our ...
0
votes
1answer
90 views

What wire type & size for sub-panel in a shed?

I need to install a sub-panel in a shed. Total run distance from main panel to sub-panel is 80 ft and includes three 90 degree turns. Burial distance will be 18". I'm thinking to install a 60-amp ...
1
vote
1answer
18 views

replacing a light switch with a dimmer

I am replacing a single 3 light track style fixture in our kitchen with an Ikea track that will better light the space. Opening the switch box up this afternoon I saw that the wiring is a little ...
0
votes
0answers
15 views

Can I turn one set of twinkle lights into several by cutting the wire & adding new plugs?

I am working on a project for wedding reception lighting and would like to make several chandeliers using Christmas tree twinkle lights but the strands I have are way too long for one single ...
1
vote
0answers
19 views
2
votes
0answers
57 views

Why doesn't my dishwasher power on?

I couple weeks ago, I had an electrician come in and remove two wires from two circuit breakers from the main panel. Those circuits power a sub panel across the basement. I found out that sub panel ...
0
votes
1answer
53 views

Why would my clothes drying machine's switch keep on getting fried?

Around a year ago, my parents got a new drying machine installed. The dryer didn't come with any cables, and the when my parents called the company, they told them that it was the customer's ...
1
vote
1answer
76 views

My receptacle tester is giving confusing results, what should I do?

I've recently put in a new electrical outlet, which was working at the time. Today I went and plugged the lamp and it was not working. Tried the receptacle tester, and this is what I saw when plugged ...
1
vote
0answers
25 views

What could have caused the chock block terminal to melt?

I installed a new light fitting approximately a year ago, which had a long flex. I shortened the flex by cutting both wires, and rejoining them with chock blocks which are contained within the ceiling ...
2
votes
1answer
82 views

How can I add arc-fault protection to circuits in this panel?

In my sub-panel that services the home I have 4 separate 20 amp circuit breakers all strapped together to trip all if one trips. On these individual circuits are the garbage disposal, clothes ...
2
votes
1answer
26 views

What does “8(3)A” mean on a relay spec sheet?

In the specs for this heating controller (http://www.ecr-nederland.nl/files/lae_bediening_ac1-2w_en_de.pdf) the relays have a capacity of 8(3)A (top-right). What does this mean? 8A/3A?
1
vote
1answer
50 views

Is there anything else I should be concerned about while run low voltage landscaping cable through an exterior wall?

I'm hooking up a 300 watt toroidal magnetic transformer located in my garage; it's rated for inside and outside use, I'm using its plug into a GFI circuit, and I'm using 12/2 (12vac) power cable rated ...
1
vote
1answer
86 views

Six wires in outlet box, from 3 different circuits; 4 are hot?

I have been trying to install a new outlet in a room in my 1950s house, but I am really confused. When I opened it up, there were two black wires in under one screw and one under another. Ditto for ...
0
votes
1answer
39 views

Safe way to terminate exposed electrical during remodel?

I have a few exposed electrical wires that were cut in order to remove wiring in the area being remodeled. Is there a safe alternative to terminating all these points inside boxes? I need them safely ...
4
votes
3answers
140 views

Will the original ceiling box in my 1939 home support a new 45lb chandelier?

I recently purchased in a house built in 1939. The electrical boxes and wiring have been replaced, but the ceiling support bar holding up the box looks original (i.e., flat steel bar attached to the ...
3
votes
4answers
22k views

Can two circuits share a neutral?

I'm finally implementing the advice given in this question, I've managed to run the wiring up to the junction box, but I'm a bit confused by the contents of that box. There are three circuits ...
0
votes
1answer
80 views

How can I rewire a light to use three-way switches?

I have a light that is operated by two switches. One is upstairs, and the other is down stairs. How can I make the light work by either switch? Currently if I turn the light on down stairs, I cannot ...
1
vote
2answers
102 views

I need a wiring solution for an unusual situation

I have two 20amp circuits in the kitchen. One is controlling receptacles to the left of the sink AND the dishwasher. The other is controlling receptacles to the right of the sink AND the fridge. The ...
0
votes
1answer
49 views

What could cause my range burner to be bright red and really hot when the dial is set to low?

On one front burner I have a big problem. I turn it on medium high until my water (or whatever) comes to a boil -- then, I turn it down to low heat (apx #2) -- and then many times, I look at it and ...
0
votes
1answer
97 views

Fan coil wiring problem with new thermostat

I'm trying to upgrade to a new line voltage thermostat. The new thermostat has many more connections, including three fan speeds. My current system has a manual fan switch on the wall so all I need ...
3
votes
2answers
49 views

Can I put a UK 3 pin plug or use an adapter on a dishwasher I brought in South Africa?

can I put a UK 3 pin plug on a dishwasher I brought over from South Africa, or use an adapter? Thankyou for your help. Kind regards
0
votes
1answer
40 views

Exhaust fan hook up. I only have black and white from source. Please help

I am trying to hook up a ceiling exhaust fan. I am going to run 2 switches, light and fan separate. The line in power from box is just 14 ga blk and white. My house was built in 60s. I don't know how ...
0
votes
1answer
31 views

Question about electrical service for subpanel in pool house

I have a small existing pool house (built 1988) that has electrical service ran to it from the house distribution panel. Two breaker and two separate sets of wires go to the pool house, 240 single ...
0
votes
2answers
1k views

What could cause my recessed light to not work?

I replaced a flood light lightbulb in recessed light fixture, thinking the previous bulb had burned out, but that new bulb isn't working either. I've tried a regular lamp bulb to ensure my new ...
0
votes
1answer
42 views

electrical switch and outlet issue

I have a room in my house with both a dimmer switch and a flip switch. The flip switch controls the ceiling light and fan, and the dimmer controls the outlet by the entrance. It seems now we cannot ...
2
votes
1answer
120 views

Why won't my thermostat control the HVAC anymore after trying to switch thermostats?

I bought a new Nest thermostat which is supposed to be compatible but needs a professional installation (advice that should have been heeded by non-professional electrician me). This is to replace an ...
0
votes
1answer
189 views

How do I rewire my existing garage lighting so that one fixture is controlled by a new switch?

I have one switch that turns on the 5 light fixtures in my garage. I would like to add a switch where only 1 light comes on to save wear and tear on all my light fixtures. My thoughts are to run a ...
0
votes
1answer
28 views

How to test appliances for energy used

My energy bill is twice (at least) as high as the neighbors with similar sized homes. Of course the hydro co. thinks their meters are perfect. I want to find out if an appliance is consuming much ...
2
votes
2answers
50 views

Can you install a ceiling fan with a hickey and crossbar?

I have a concrete ceiling with an old-style electrical box that has a stud for a hickey, but does not have the traditional mounting holes for fixture screws, like the box in this diagram: Can I ...
1
vote
1answer
199 views

Connected C-Wire to new Smart Thermostat and Furnace board and still no power

I need help. I've been surfing the internet and have had no luck finding answers to my situation so am hoping for some guidance. I've seen other questions here answered but none that suit my ...
2
votes
2answers
35 views

Is Armored (BX) cable considered to be protected from damage?

I want to install an outlet on my unfinished basement wall. I am assuming that it would fall under NFPA 70 300.4 as needing protection from physical damage. Is Armored (BX) cable considered to be ...
1
vote
2answers
45 views

How do I properly size a 120v inline power relay to control a small air conditioner with my home automation system?

I have a 5,000 BTU, 115 volt, 4.8 amp, window-unit air conditioner I'd like to control from my home automation system. I think easiest thing to do would be to plug the unit into an inline rely module ...
1
vote
1answer
34 views

How to map out downstream outlets for GFCI install

I live in an older home with 2 prong plugs. I want to update these with 3 prong. My plan is to put a GFCI at the first outlet in the circuit and then regular 3 prong outlets downstream from there. I ...
0
votes
2answers
66 views

Question about GFI in a house

My rental house was built in 1985 and there is some kind of master GFI (for lack of a better term) in the garage that controls all the GFI outlets in the house. I'm told all the houses are built like ...
0
votes
0answers
22 views

LED Delay on 1 out of 3 lights on same switch

I helped a friend and installed 3 LED can lights in the kitchen. They are all on one switch. Per their report 2 of the 3 lights come on immediately but the third has a delay. What is the possible ...
2
votes
4answers
100 views

How can I combine two outlets into one output using OR logic?

I need some sort of electrical device which would combine the output of a switched electrical outlet with a programmable timer plugged into a non-switched outlet. Then I would plug lamps into said ...
0
votes
2answers
28 views

How do I replace a ceiling fan controlled by 2 wall switches with a standard wall plug outlet?

I am ceiling mounting a projector in my home theater room and I need to mount it where there used to be a ceiling fan with light kit. The fan and light were controlled by two wall switches. I'm ...