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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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2answers
33 views

Temporary pinning of sensors to ceiling

Goal: optimize placement of PIR (passive infrared) sensors in 80 foot hallway. I would like to experiment with the placement of sensors by temporarily affixing them to the ceiling and test to ensure ...
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1answer
40 views

Hot disconnected/ Neutral still connected OK?

I am replacing a range hood with a microwave. The hood was hardwired in. I ran a new 20A circuit from the panel for the microwave. The existing hood wiring is tied into the kitchen ceiling light. ...
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1answer
42 views

How should I connect my new light fixture to green and yellow wires?

I am replacing a pull chain light fixture in my closet. The new ceramic fixture has a black, white and thin ground copper wire. The wires coming out of the ceiling are green and yellow. should the ...
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0answers
25 views

Installing Nest Hello Doorbell

So my problem with this has nothing to do with the electronics - it's strictly a physical one. The problem I'm having is that whoever wired my existing doorbell left about 1" of wire, with no give, ...
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1answer
50 views

Can a 3way switch provide a constant hot line to another unrelated load or switch?

I had some electrical work done but we were unable to test the lines and now the electrician is gone. To simplify the problem, we have two electrical boxes and two loads. One load (INSIDE LIGHT) will ...
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4answers
379 views

Is fine stranded wire ok for main supply line?

I’m changing the load panel in a mobile home with additions to gain additional circuits. Outside a few feet from home is the service pole with meter and a 100 amp disconnect. I became concerned ...
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3answers
67 views

Is “14 AWG” NM-B allowed by the newest NEC for new residential construction?

Is "14 AWG" NM-B allowed by the newest NEC for new residential construction? My concern is what the NEC says concerning 14 AWG NM-B for new residential construction. I have been told that the "NEC ...
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1answer
49 views

Two switches, one turns both lights on, the other just one of them

I have two separate lights in a room. And two separate switches (actually one switch and one motion sensor). I want one switch to turn both lights on, and one switch to turn just one of the lights on. ...
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1answer
43 views

Can a loadcenter main breaker be greater than the busbar ampacity?

Related to this question (Can a sub-panel have a larger main breaker than the feeder breaker in the main panel?) on having a larger "main" breaker in a subpanel than in the panel feeding it, my ...
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3answers
59 views

Can a breaker be added to the main disconnect panel?

I know nothing about electrical code or wiring. I want to add a breaker to my main disconnect panel. Reason being it is super close to my garage compared to my panel inside my home. The main ...
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1answer
32 views

Do all dimmers reduce max brightness of LED lamps?

TL;DR - do all dimmers reduce maximum brightness of LED lamps? So I had a recently bought a dimmer switch (Lutron Diva DVCL-153P) for an LED light, and I immediately noticed that the light was dimmer ...
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0answers
41 views

voltage reading 4v at outlet

i am attempting to create a 120v outlet to plug in LED light strip in ceiling. The existing lights in the ceiling area-wire are two separate 24v lines going to two strings that have multiple 5 watt ...
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1answer
17 views

connecting a light to a half switched receptacle

Is it permissible according to the National Electrical Code to install a light and connect it to an existing half switched receptacle?
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1answer
42 views

Light is working but switch is not

Total noob here. Replaced a ceiling fan with an LED light. Connected the green to green, white to white and the black to black. The light is turning on but the switch is not working. Not sure what ...
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1answer
34 views

wire size for 140` run

I'm going to wire a sub-panel 140 ft from the main service. I would like 70 amps to be available; the actual load won`t exceed 50 amps for now, but I may need more later. The problem is the wire ...
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2answers
70 views

Flickering lights, sometimes no power to some

For the past few weeks some of our lights have occasionally flickered. Yesterday the power went out for those lights. At the circuit breaker box I didn't see any in the flipped position, but I went ...
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3answers
168 views

How to add tiny 0.5A 120V load to very remote split phase 240v 3 wire well house

Given that I don't have neutral, sounds like, even for just running a simple irrigation controller, that I don't want to use the ground wire for my neutral and simply pull 120v off the split phase ...
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1answer
45 views

Replacing Single switch with timer switch - Original two switches connected

I want to replace a switch with a timer switch, however on checking out the wiring the two original switches have a black wire connecting the two. The switch I want to replace is the rightmost switch. ...
2
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2answers
53 views

Replacing formerly half-hot converted to always-hot receptacles with NEW receptacles

I have four receptacles in my family room that I just replaced. These receptacles used to be half-hot. One of the previous owners converted them to always-hot by removing and capping the wires in the ...
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1answer
27 views

How to provide ventilation on NEMA 12 Arcshield enclosure with help of fans?

I have a NEMA 12 enclosure with VFD (Powerflex 753) mounted in it. Also the enclosure should be ArcShielded. But the norms are that if the NEMA 12 enclosure is arc proof, then no fans should be ...
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2answers
46 views

2 switches, 2 circuits, same box

I realize it may have been answered but there are so many nuances I want to be sure: I have one (metal) double-gang box with one outdoor light circuit. I want to add a switch for a completely ...
2
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1answer
62 views

Black paste inside wire nuts?

I have read that older houses may have aluminum wiring, and to splice copper to it there is a less than desirable method of purple wire nuts using corrosion inhibitor paste. My house was built in ...
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1answer
37 views

Electrical subpanel losing voltage

I have an main circuit breaker panel with a 200 amp breaker and a 60 amp breaker. the main feed comes into top of 200 amp breaker and then 2 wires come out of the bottom of it and into a 60 amp ...
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0answers
52 views

Capping off electrical outlet in a series

After successfully capping off an electrical outlet, I turned the breaker back on and the adjacent outlet works fine but the next outlet and light switch in the series will not work. Why is that? What ...
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1answer
45 views

Dishwasher plug

I have a 1959 block home and I'd like to put a dishwasher in one of the cabinets. Can I tap into an existing outlet wire to install the dishwasher plugin. Or do I have to run a dedicated line to the ...
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0answers
35 views

What size and type of wire do I need for a long run?

I'm a DJ and need to power five 20A amplifiers. Since the wall receptacles in most clubs and outdoor events to not have sufficient power to make them sound good. I need a 50 foot length and a 100 foot ...
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1answer
111 views

Can I add outlets using #14 wire on a circuit with #12 wire and a 60 amp breaker?

I started to remodel one of my rooms and I have had to look into the wiring, now that I'm adding outlets and switches. I checked a wire in a room early on and it was 14/2. That's what I decided to go ...
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4answers
101 views

Converting Tandem circuit with shared neutral to GFCI

My exterior outlet/garage outlets are part of a 15a tandem switch currently that's not GFCI. Looks like this: One of the hots runs the string of outlets I want to protect, then there's a hot from the ...
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0answers
44 views

Why do my ceiling fan lights flicker and then come on later?

The lights on my living room ceiling fan do not come on when switched on. They flash on then off. But if you leave the switch on and come back a few mins later the light will turn right on. It’s been ...
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3answers
70 views

Can I use my receptacle multi-tap on both ends of an extension cord?

I have a Voltec three way adapter, it converts a 5-15 plug into a (3) 5-15 receptacles. Is it safe to use this adapter at either end of the extension cord? So three way adapter to extension cords then ...
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1answer
70 views

Do I need a neutral on the other end of a three-way switch?

I'm looking at adding a three-way switch to a room. I'll probably drop the hot and neutral into Box #1, but 12/2/2 (hot, 2x travelers and a neutral) is fairly esoteric cable (nobody locally sells it ...
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2answers
36 views

Receptacle spacing when one is mounted tv [closed]

The contractor is putting in the cable and electrical for the TV at 5' high. There is not other receptacle along this wall, The 5' high one will be just under 12' from the other wall receptacle......
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1answer
42 views

Light Switch Wiring, hot wire to lights

I have a light switch that has the black wire attached to the bottom terminal and the white wire attached to the top terminal. Is there any way I can add another light switch for recessed lights to ...
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1answer
67 views

Wire colours reversed on switch

I've just installed a new (1 way, ceiling pull cord) switch in my bathroom since the old one broke. When I came to change it, it was not wired the way I expected with the live into the COM terminal ...
3
votes
2answers
89 views

Can I span conduit 15 feet between my home and unattached garage?

I have a porch separating my two bay garage and was looking to add a subpanel to the garage. The porch is attached to my house and butted against the garage, but not mechanically fastened to the ...
3
votes
1answer
69 views

Does it matter which wire goes where on single pole dimmer?

I’m updating the switches throughout my house. I have an old rotary style single-pole dimmer controlling the just-as-old chandelier in my dining room. This dimmer shares a double-gang box with a 3-way ...
3
votes
1answer
60 views

Should I increase wire size when extending a 75 foot circuit to reduce voltage drop?

I have a 1200W smoker which I currently hook up to an outdoor outlet. The outlet runs on about 75' of 12 gauge wire from a 20A breaker. There is nothing else on that circuit. I am moving the outlet to ...
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2answers
124 views

How can I combine two wall switches into one?

As you can see in the picture the top switch doesn’t work at all. The bottom switch is the one that actually works. How can I change this 2 switches to just 1 - when I would buy a brand new one ...
2
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2answers
173 views

Can someone explain this wiring configuration to me?

See my previous question for more detail on my household's bizarre wiring. Three of my bedrooms have dimmer switches connected to outlets and ceiling fans, which is electrically unsafe and just ...
2
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0answers
34 views

Tenant Multi-Family Meter Box Amp and Wire Requirements

First time posting on Home Improvement, please let me know if I am missing anything. I don't do electrical but my building designer needs some info to add to the blueprints (I thought this there are ...
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0answers
25 views

Ceiling fan light kit will not work properly

I have a four bulb light kit for a ceiling fan. It works great with three bulbs but when I add a fourth all of the bulbs go off. The three sockets used or order doesn't matter; only when I install the ...
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1answer
17 views

Adding a vanity light to a switched knob and tube ceiling light

I shut off the main breaker, disconnected an ancient light fixture, taped new wire to the existing knob and tube and pulled it all up into my attic. Next I pigtailed from the K&T to two new (WBG) ...
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0answers
34 views

Electrical wiring hook up sequence

I have found a box that as three duplex electric cables connecting. The neutral (white) from wire 1 and wire 3 are connected. The hot (black) from wire 1 is connected to wire 2, and the hot from ...
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0answers
26 views

Mystery none working power outlets

I have a split entry home that on the lower level 5 outlets in the family room only have gone out. One inside on stair wall to front plugs and 3 on end fireplace wall. We had an electrician doing the ...
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3answers
2k views

Can someone explain how this makes sense electrically?

The wiring in my house is... odd. Nearly every pair of outlets has one of the outlets connected to a light switch. Sometimes that switch is quite far from the outlet even when there are other closer ...
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1answer
27 views

Pilot light device with

I want to upgrade the light switches in a room. I have a 3 gang box, two single pole switches and an indicator light for one of them (the basement light switch). The indicator light is its own thing ...
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0answers
54 views

Junction Box Blank Cover in HVAC Duct

I am starting a bathroom remodel second story that requires a length of NM wire to be lengthened by a few feet. I realize I can't do this hidden in a wall or floor and need this done in accessible ...
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2answers
93 views

Are there restrictions on having all the lights on one floor on a single circuit breaker?

I'm rewiring my house to eliminate knob and tube wiring on my second story. The panel only has 20 spaces, so I'm trying to be economical. My upstairs floor plan is a 70 sqft bathroom and 3 bedrooms, ...
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3answers
89 views

Using a dimmer on a light plugged in to a receptacle [duplicate]

My home is 42 years old. The kitchen lighting consists of 2 48" fluorescent shop lights each plugged into a normal 110v receptable. It uses a standard, 1 way, on/off switch. I want to convert from ...
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1answer
35 views

Ceiling fan wiring blue/white/black vs. 3 black/3 white/red

I want to install a ceiling fan that has 3 wires - blue white and black, but the ceiling light has 3 black wires and 3 white wires and 1 red wire. I'm confused because the 3 black wires are together ...