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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1answer
8 views

What could cause my in-wall air conditioner to blow 3 power boards?

I've had my house for nearly two years, and suddenly my in-wall air conditioner stopped working. I replaced the main power board, and it worked again...for a week. I replaced the main power board ...
1
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1answer
9 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 ...
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0answers
7 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 ...
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0answers
12 views
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0answers
52 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 ...
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1answer
51 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 ...
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1answer
71 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 ...
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0answers
21 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 ...
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0answers
24 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 ...
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1answer
77 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
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1answer
19 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?
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1answer
43 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 ...
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1answer
83 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 ...
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1answer
38 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 ...
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3answers
132 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 ...
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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 ...
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1answer
78 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 ...
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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 ...
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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 ...
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1answer
92 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
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2answers
43 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
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1answer
36 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 ...
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1answer
27 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 ...
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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 ...
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1answer
41 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
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1answer
116 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 ...
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1answer
185 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 ...
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1answer
27 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
42 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
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1answer
191 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 ...
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2answers
28 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 ...
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2answers
44 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 ...
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1answer
27 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 ...
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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 ...
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0answers
21 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
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4answers
88 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 ...
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2answers
26 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 ...
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0answers
26 views

NEMA 14-30 in 1-gang box

I recently wired a new laundry room for a family member's renovation project. He already had the electrical materials on hand and all of his boxes attached to the studs, so I ended up installing the ...
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4answers
165 views

Why is my dimmer switch buzzing?

We had 2 dimmer switches that had stopped working (lights were on 100% regardless of how turned the dimmer switch was. I checked the back and went out and bought 2 new ones, turned the electricity ...
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0answers
51 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 ...
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1answer
36 views

No voltage from breaker even though breaker is good

I’ve searched the forums quite a bit and can’t find any other question like this one. I recently moved into a new house and needed to remove a light fixture from a wall in a bathroom. So I needed to ...
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0answers
12 views

Need advice on adding cords to T8 light fixtures

I just acquired twelve 'vapor-tight' T8 three-bulb light fixtures. They have fiberglass bodies and a polycarbonate lens with a gasket. I intend on installing these in a greenhouse to augment the sun ...
2
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2answers
42 views

Photovoltaic installation: does it make sense (or is possible at all) to get a bigger inverter than the power output of the installed panels?

We are going to install a PV in our offices. Our actual needs would be satisfied by an installation of about 4kW, so that ~16 panels of 250W. It's going to be a central-inverter, grid-connected ...
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2answers
149 views

Is my water heater installed properly?

Why do all 3 pipes..the hot, the cold, and the over flow valve run hot water. I can tell by the touch. the overflow which I'm used to having a free flowing tube attached to a pan is connected to a ...
4
votes
2answers
259 views

Splicing electric in attic properly

I am installing ceiling lights on my attic that has only fiberglass insulation. I needed to splice some cables half way to the fixture box. I just want to verify that I've done so properly. Here is ...
5
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4answers
2k views

Concerns about replacing a worn out light switch

Our home is about 3 years old. New construction. New parts. The main lights in the kitchen are a 4-way circuit (3 switches, + lights). Since we primarily come into the room from one side, one ...
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1answer
48 views

Floodlight randomly, dimly lights even when lightswitch is off

This problem baffles me completely. In one of our bedrooms, we have two floodlights connected to a one-way Z-wave dimmer switch. Both floodlights are Cree BR30s. When the light switch is off, one ...
2
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1answer
36 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 switch with a dimmer switch. Could it be possible ?
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2answers
92 views

Is my electric stove receptacle wired correctly?

When I test the four prong electric stove outlet by touching one of the prongs and the ground, one prong reads 120V and the other 220V. Is this normal or is it wired wrong?
2
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2answers
133 views

Why do my dimmer switches keep burning out?

I have a Lutron Maestro MACL-153MH (600W incandescent/halogen) controlling 5 x H1499ICAT (low-voltage, MR-16, 50W each) in my vacation house. So, that's a total of 250W. It burned out one day, so I ...