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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2answers
96 views

Can I connect all of my LED strips to a single power supply?

Im working on a project with LED light strips, and want to connect them all to a sd controller. The lights are ws2812b 60 LED/meter, and have 20 meters of it. It calls for 14.4w per meter @ 3 amps per ...
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1answer
80 views

Is it safe to leave exposed black wire from doorbell transformer?

Is it safe for the time being to leave a loose black electrical wire from my doorbell transformer? (I think this is the transformer based on what I have read) I tried to push the box into the wall ...
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1answer
336 views

Wiring power cord Adapter to connect a Round 3-prong female generator plug to a round 4-prong Gen Trans Switch

We live in a rural area where electrical service from the local utility is sometimes interrupted for a few/several days by winter storms - accompanied by high winds - that blow down large evergreen ...
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1answer
31 views

changing hard wired smoke alarm on house that once had an active alarm system which is now shut down

Nothing was disconnected - i just did not resign up when I bought the house. If i shut off the main breaker to the ouse, can I be sure the smoke alarm wires are dead - no electricity in them?
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1answer
48 views

How do I wire a replacement ceiling fan?

We replaced an existing ceiling fan and light with another ceiling fan and light. Neither the new nor the old fan and light have a remote. The old fan and light could be controlled by 2 wall ...
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0answers
112 views

Why would turning off a ceiling fan via a wall switch causes 3 seconds of TV signal loss?

Wall "A" has a switch that controls the light on the ceiling fan. Wall "B" has an outlet used by TV and cable box. Wall "C" has a switch that controls the light on the ceiling fan - alongside a switch ...
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3answers
60 views

Minimum number of recessed lights for 29x13 room

I know the "standard rules" say one light every 4 to 6 feet... But what would be the minimum I can get away with using canned lights for a room that is about 29x13. I previously went my way with ...
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2answers
57 views

How should I fix an electric shower pull cord that doesn't work anymore?

The red light on my pull cord electric shower no longer comes on, hence it doesn't work. However, there was a brief period yesterday where it worked suggesting it's an electric fault and can be fixed? ...
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3answers
120 views

Grounding a receptacle when there is no ground wire?

I am replacing old receptacles with new tamper-proof ones. I opened one in my basement and realized it wasn't currently grounded, the electrical housing is a real mess and has a copper "ground" wire ...
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3answers
75 views

On a true 60 amp 240 volt circuit will each side of the breaker carry more than 30 amps if required?

If my distribution panel on my boat is wired 240 v 60 amps max and there are many 120 v 15 a circuits, if one side of the 120 v panel starts to draw more than 30 a, will the breaker compensate by ...
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1answer
126 views

How can I install a GFCI receptacle to provide protection to other devices?

I currently have in my shop, a 20 amp outlet directly below my panel which is approximately halfway along one of the walls. Instead of having the GFCI outlet at the end, I would like to replace the ...
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2answers
57 views

Does a 16“W x 13” deep counter space need an electrical outlet?

I have a 15"W x 24" Deep base cabinet. The counter top overhang is 1" on the front and right side. There is no overhang on the left side as there is a gas range there. There is a 15" W x 12" deep ...
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3answers
66 views

Why wouldn't other receptacles work after I changed a receptacle?

One of my outlets was getting very hot so I took it apart, cleaned it because it was very very dirty and changed the outlets. It stopped getting hot and the tester said it was correct but now the ...
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0answers
40 views

How do I wire a switch when the wire colors do not match? [closed]

Black, Red and bare Ground at outlet. New switch has Black, Black, and a Green. Tried switching each black with a red and vice versa with no luck. Tried each black and left switch black and red ...
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2answers
252 views

Combination box/switch - two wires only

The original owner of our house had this wired apparently and the outlet has never worked. Plugging a device in turns off the overhead light. Wife wants me to use vacation time off to fix, but I'm ...
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1answer
117 views

How do I install a Leviton light switch timer?

I bought a Leviton light switch timer. It has 5 wires coming out of it - Black, White, Yellow, Red, and Green. The switch I'm trying to replace is in a box with 2 other light switches. The switch I ...
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1answer
90 views

Does Sewage Ejector system need a dedicated circuit?

The sewage ejector system in our basement is on a GFCI outlet that is on the same circuit as the adjacent bathroom (fan, light and switch). Someone told me it needs a dedicated circuit. Does the NEC ...
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1answer
130 views

What is causing a ticking noise in my electrical outlets?

Several electrical outlets in two rooms started making a ticking sound last fall. I checked the receptacles and tightened the wires on two of them and replaced two of the receptacles. The circuit ...
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2answers
156 views

Can I use a transformer to run a 120V/60Hz appliance on a 220V/50Hz electrical system?

I live in a country where the electrical supply is 220V/50Hz. I would like to buy a electric grill in Canada, where the supply is 120V/60Hz. Can I run this appliance using a transformer? The ...
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1answer
55 views

Where is the ground wire on this light fixture controlled by a motion detector?

I bought a Utilitech motion-activated floodlight 0072837. The installation instructions tell me to match up the white, black, and green (ground) wires to the house. I don't see any ground wire coming ...
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2answers
71 views

Why are two outlets on one circuit suddenly reading 16V?

I have two 110V outlets that suddenly only have 16 volts. Both are in the same wall, about 6' apart. The breaker has not tripped. Other outlets on the same circuit work fine. They are only about 10 ...
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1answer
106 views

What size wire to use from house to wood shop?

What type/size of wire should I use for running power from the 200Amp service panel at my house to a subpanel at my wood shop? The length of the run is 300 feet. I need 220V service at the shop and ...
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1answer
89 views

What causes power to enter ground?

In trouble shooting this we found that an outside outlet had 70 volts coming through its ground. We went inside and disconnected everything but what is shown. The white is to the common, the red and ...
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1answer
39 views

How can I wire a recessed light from an existing remote controlled fan?

I have a remote controlled fan/light and I am trying to fish the red (hot) unused wire that became redundant with the remote to wire a neighboring can light- my questions are? Can that unused wire ...
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1answer
97 views

How to install flush mount lights when ceiling electrical box is 1/4 of an inch below sheetrock?

We recently bought a house and are changing the lights. The ones that are currently installed have a dome base. We bought ones that will sit flush. The issues is that some of the electrical boxes hang ...
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1answer
49 views

Can I add 8 more lights to a circuit?

I have a recessed light (75w) in one corner of my room (on 15 amps breaker) and I am thinking of the extending the input to this light circuitry to fill the room with 9 more bulbs. I plan to arrange ...
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1answer
88 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 ...
2
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1answer
80 views

subpanel ground requirement - attached vs unattached structure - what difference does it make?

Subpanel in the garage is currently fed by 10-2 w/ground romex and is grounded both at the main panel via the ground wire and to the plumbing next to the subpanel (underground iron pipe). I want to ...
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2answers
77 views

In an AC circuit, where does hot end and neutral begin?

I understand the differences between "hot" and "neutral" and their positions in a circuit, but it's not clear to me where hot ends and neutral begins. In principle, you could cut the wire at any ...
3
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1answer
136 views

How can I use these “closed” power outlets?

Just Bought a new home. It seems that the builder had some outlets open (where I can plug any devices), while some are Closed (I can't plug anything). Is there a Device I can rent or buy from any ...
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2answers
71 views

Can old ceiling fan with red, black, green wires be replaced with one that has light?

There's a very old ceiling fan (without light) that I would like to replace with a new ceiling fan that has a light. I took off the switchplate to see how many wires, and there are three (black, red, ...
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6answers
212 views

Is Switching the Neutral OK?

What’s the worst that can happen if i put a switch in the neutral instead of the phase? I just found out that 3 light bulbs sockets in my home are connected this way, it first came to my mind to ...
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2answers
104 views

Plugged in computer, sparks went off in outlet, now 2 rooms are without electric [closed]

I plugged in a computer and spark went off. Now electricity is off in two rooms. Checked breaker it is fine. No electric coming in to outlets. I reset breakers 5 times.
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1answer
128 views

Should both ground and neutral in an electrical subpanel be bonded to the service ground?

I put in a 100 AMP sub panel from a 200 AMP service. The neutral and ground are separated in the sub panel. Would this bond the sub panel to the ground and neutral coming from service ground wire? I ...
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1answer
49 views

Removing switch that turns on / off the outlet

I have an outlet which gives electricity only when corresponding wall switch is on. I need to remove the wall switch because I need to put a cabinet on it's place. How do I make the outlet permanently ...
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1answer
62 views

Which wires do I connect to my new ceiling fan?

I looked all over the internet and my outlet box seems to have unorthodox wiring/ colors. On the ceiling outlet box I have 3 thick wires, red, white and green, and a fourth single little wire that ...
2
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1answer
362 views

How do I wire three 3-way switches in one gang box to three switches in another box?

I have two 3-gang boxes (with 3-way switches) to control 3 sets of lights within our kitchen. Since there are two entrances to the kitchen, I have a box at each door. My main question is how to ...
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0answers
33 views

How do I wire a 2-pole dimmer switch to control an exhaust fan? [duplicate]

I have 2 black and 2 red wires from the gang box on a 220V 7 amp exhaust fan. The new switch has 2 black wires and the ground. How do I wire the new switch?
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1answer
116 views

Is it okay that the earth wire is exposed when installing an outdoor security light?

I have just installed an outdoor security light with a junction box I bought (weatherproof). I wired the old red source wire to the new brown, old black source wire to the new blue in the terminal ...
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1answer
53 views

How should I wire an exterior light where there's a load bearing post in the way?

I'd like to put an exterior light fixture between my two garage doors. The spot where it "belongs" has a post made of six (!) sistered 2x4s in the wall (presumably supporting the headers for the ...
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1answer
59 views

Can I add another cable to this 3-gang electrical box?

I have a 3-gang metal (ca. 1980, three boxes with removable sides) electrical box that currently has 4 NM cables entering it; at least 3 of them are 12/3, the 4th is either 12/3 or 14/3. All four ...
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1answer
48 views

USB wall outlet charger not working

By not working I mean even when installed in the simplest configuration, it does some sort of low power pulsating. It will cycle between charging and not charging a USB device every half second or so. ...
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2answers
106 views

Help wiring 1-pole switch + USB in single outlet

I have the two products below and I need them to go in a single gang box that used to be a simple 1-pole switch. Product pages: http://www.legrand.ca/adorne/select/switches/aspd1531w8.aspx ...
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1answer
77 views

How can I add a new light fixture off of a ceiling fan wired to two switches?

I have an existing ceiling fan rough in that is wired with 3 conductor wire to two switches, allowing the light and fan to be controlled independently. The fan that I installed however uses a ...
2
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1answer
640 views

Why is this transformer in my garage?

I am moving into a house, and the previous owner doesn't know the answer. Up high in the corner of the garage, the drywall was cut out to install a small transformer. The input comes from a garage ...
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1answer
54 views

Need help replacing 2 switches, fan + light

I need some help. I want to replace the 2 old switches, fan + light, by 2 Leviton decora 1 way switches. I am confused by the wires (see attached pics), especially by the black one that goes from one ...
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0answers
61 views

Has this light earthed itself?

After accidentally earthing the live wire going to the outside light whilst putting a faceplate back on (patched up now), the light has stopped working. I've just been out with a multimeter to see if ...
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1answer
61 views

Backlight moving mirror in bathroom

Bathroom will have a medicine cabinet behind the mirror. Going to use wall mount sliding door hardware to make the mirror move. Will look similar to this: I would like to use some 12v LED lights on ...
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1answer
58 views

How to waterproof metalic electrical conduit entrance in concrete wall?

I have concrete garage inside the hill below house level. Electrical metal conduit runs underground and enters the garage at the top of concrete wall. It may 12"-15" below surface. See pictures. It's ...
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1answer
56 views

Proper method to wire through different surfaces

I have added a 6" deep bump out with a TV and an electric fireplace in the center of a wall. There is a recepticle behind the feature wall which the tv and fireplace plug into. I am also creating a ...