Questions tagged [wiring]

The installation of wire and/or electrical devices, to allow the transmission of electricity from one point to another.

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3answers
33 views

What's the current input from each leg of a portable generator into my main panel?

I am connecting a portable generator to my electric sub-panel in my garage. My generator is a 6kw running watt unit with a 30amp 220 volt output. I will be using this connection (L14-30) to a box ...
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1answer
14 views

Ceiling Fan lights turn off on their own w/ a Twist

So, a search brought up similar questions, but my situation involves a ceiling fan w/ lights that operates via a battery powered remote. This fan is on a circuit that previously had a total of three ...
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2answers
1k views

Does wire brought into the house have to immediately enter a box?

I need to bring in a new 220v circuit to my basement. Once the conduit enters the basement does it need to immediately enter a box like this diagram or can I just continue the wire to outlet box 20’ ...
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2answers
102 views

How to safely wire this non-invasive solution as a smart three-way perilex switch for a heat recovery installation?

I have been wondering about a solution to this for long so I've decided to ask it here. I'm a programmer, not an electrician but I know how to properly solder things and generally how to work safely ...
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0answers
26 views

Pull power from an exhaust fan switch for heated bidet outlet

I installed a new wall outlet by pulling power from an existing exhaust fan switch via the load wire. Every time the bidet is used the light starts flickering. Would swapping the line wire with load ...
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1answer
42 views

Can replacing a low voltage wire actually make the air handler blower blow more air?

Our system stopped cooling, it is 11 months old. The service tech found a low voltage wire running from the handler to the outside unit bad. He showed me the wire was not connected but dead now, after ...
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1answer
30 views

Entry light switch controls adjacent bedroom lighting

I'm new here and may have caused a problem when rewiring to install recessed lighting. The wiring of my entry area is done in such a way that: Cutting the light on, will cut on the light in the entry ...
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0answers
20 views

Switch loop wiring

Have a house from 1960s I’m renovating. I installed new pot lights into my ceiling and brought the wire down to an existing switch only to realize it was a switch controlling the rooms outlet. It’s an ...
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1answer
100 views

Paint on stranded copper wire twisted together with a wire nut — dangerous?

Putting new light fixtures into an old house. Wires are stranded copper with a little paint on some of the stranded copper part. Normally I'd cut it off and expose a little more wire, out of an ...
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4answers
1k views

Is there a way to determine the order of items on a circuit?

Just purchased a new house and have been doing some electrical work, and I've been surprised at how many things have been crammed into single circuits. For example, one circuit seems to serve four ...
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1answer
58 views

Wiring an ECM to AC power

I'm trying to wire a motor to work on 120v ac power. I accidentally bought an EC motor, because the price was so low, and cant find any sort of wire diagram for it From research, I found that all of ...
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1answer
68 views

What size wire do I need for a 600ft run

I’m new to all the AC power and really don’t know what some things mean. I’m trying to figure out what size wire I need to run 580’. From a service pole to my home. As far as I know it’s a single ...
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1answer
858 views

Broken ground wire in receptacle box

I’m pretty new to home DIY and had to replace a few outlets this weekend. On the last one the ground wire snapped as soon as I unscrewed the old outlet. It looks like the wire was clamped to the other ...
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c wire question

I have a gas fired hot water boiler with 18/2 thermostat wire running up to my regular non wifi thermostat . I want to know if I ran a single (blue ) 18 g wire from my c terminal on my new wifi ...
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2answers
41 views

Rewiring switched ceiling lights and outlet switched top receptacle to switched ceiling lights and always on outlet

In my living room there are: Recessed dimmable ceiling lights A switch with a dimmer An outlet where the top receptacle is only on when the ceiling lights are on. The bottom receptacle is always on. ...
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1answer
31 views

Can i use 3 wire for service installation

I'm supplying 200amp service to a cabin. There is a service disconnect at the meter. Can i use 3 wire 4/0 al to the main panel and put a grounding rod at the main panel and not bond the neutral and ...
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6answers
840 views

What kind of crimping tool do I need for these bullet-style cable connectors?

I need to connect pairs of wires within a narrow space (in one of the dimensions). I've been thinking of getting this kind of connector pairs: but I know they need crimping. The only crimping I've ...
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1answer
69 views

Code check: Installing a garage security flood light

Below is my current understanding of end-to-end project for installing a garage security flood light. Wonder whether this is NEC 2017 code compliant or not. Any suggestions/recommendations are welcome!...
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1answer
57 views

What size wire and pipe for a 125A subpanel in an attached carport?

I realize this/these questions have been asked a million times before on this forum, but I appreciate any help that will help me drill down on exactly what materials I need and what I need to do. ...
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2answers
43 views

Re-wiring an old Slater 3 way switch with new Leviton

I have an old Slater 20a switch with 3 screws (no ground). The wires to it are one black, one red, and one white (which was spliced to an orange wire at the end for some reason). It is a 3 way switch ...
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5answers
168 views

Can power outlets and HDMI wall-jacks be installed with right-angle bends to accommodate very thin walls?

I have a very thin wall, about 2 inches thick. See photo below. (This is the podium at a historic chapel.) The wall might be solid wood? I'm not certain. There is a crawl-space underneath the sub-...
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3answers
644 views

What does “Ampacity Dwelling” mean?

I have a few questions I'd like to lump into this one, so please bear with me. I am planning to completely rewire my main level, moving my laundry room up from the basement in the process. I decided ...
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1answer
61 views

how to t-type splice power wires to add a new outlets?

I need to install a new old work outlet box on my drywall. I know the existing wires goes behind the drywall where I intend to install the socket box, however, there is no existing outlet, connection ...
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0answers
24 views

HVAC auxiliary fan relay wiring help

I set up a two zone whole house dehumidifier system with 24v no/nc dampers, primary and secondary zones. the primary zone is controlled by a Aprilaire model 76 external control and the secondary zone ...
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1answer
48 views

Can I short live Rc and Rh terminals together as R?

I have separated HVAC system with 24V on Rc and Heating system with 24V on Rh. The nest thermostat 2020 has only R terminal. The voltage difference between Rc and RH is about 2V. Can I short Rc and Rh ...
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0answers
15 views

What's the orrect configuration of a T connector for track lighting?

I just put up a bit of track for a system and used a mix of manufacturers (Lithonia, Satco and Hampton Bay) — all of the track is the H style. Adding a small piece of track, I put one head on and (...
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2answers
21 views

2 pole thermostat to 3 wires from wall

I have a 2-pole thermostat that I want to install to replace the old mercury thermostat. From the wall there is a green, white, and red wire. The thermostat has 2 black and two red. If you cannot ...
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1answer
31 views

Wire color standards for ceiling fan and lights, power from the switch in the USA

I'm wiring a brand new ceiling fan, and I'm curious if there's a color standard for which wire controls the fan vs the lights? Power runs to the switch, then to the fan. The run from the switch to the ...
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1answer
26 views

Adding an additional fixture to an existing three way switch

I'm doing a remodel and want to add a fixture to an existing three way, it would be a ton of work to reach the existing fixture or the three way switch that has the power supply in it's box. My ...
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1answer
38 views

How to use Wiremold 700 Series Metal Surface Raceway (grounding, wire vs. cable)?

Planning to use Legrand Wiremold 700 Series Metal Surface Raceway. Couple questions: It is a metal box (raceway) but I don't see a green screw to ground it. Does it require grounding? Is it allowed ...
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1answer
74 views

Why is there still voltage in my wires when the breaker is off?

While renovating my mother's family room, I need to remove the light fixtures. So I flipped the breaker. The lights went off. I was about to remove and luckily double checked for voltage. I found it ...
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1answer
34 views

I have changed out a ceiling fan with light for just a light

There are a black (hot), white (neutral) and bare copper ground wires coming from the ceiling. In the wall switch there are 3 black wires joined together with a wire nut. One of those black wires ...
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1answer
13 views

Two Sets of Wires on HVAC Panel

Ultimately I'm looking to use a C wire for a Nest thermostat, but upon looking at the HVAC panel I'm confused by the wiring. There's a grouping of wires going from the HVAC panel to the thermostat: ...
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1answer
52 views

What is NM cable with green jacket?

I am trying to update a two prong receptacle to a three prong. In the receptacle box is what looks like NM cable but it appears pretty old and has a green colored sheathing. Is this an acceptable “...
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1answer
51 views

Outlet w/ground wired to neutral

Upon replacing some outlets in my home I came across 3 instances where the neutral wires not connected to the outlet but were wired together. The ground wire was wired to the neutral side of the ...
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2answers
37 views

24vac transformer inside furnace

I'm adding a humidifier to my furnace. The included 24vac transformer fits nicely on the inner electrical box in the upper furnace compartment. I like that it keeps everything behind the external ...
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2answers
83 views

Can I have an MWBC plus another circuit in the same junction box?

The conduit coming in on the left carries a 15 A MWBC. In this junction box, it splits to the brown-to-black wire for the furnace, and the orange wires to some basement lights (top) and an upstairs ...
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2answers
63 views

Best solution for outdoor outlet with permanent connection?

I have a circular junction box on my deck (outside) where I can presumably attach an outlet, and it is connected to a switch. I have string lights I'd like to permanently connect to to this outlet (...
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3answers
661 views

Is wiring exposed to air a problem?

I have a round junction box protruding from an exterior wall. It had a fixture on it with a circular cover, but I've replaced it with a fixture that has a rectangular box which I would guess is ...
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1answer
37 views

1960s light switch issue wiring

If the top bracket in the image here came out and didn’t go back in, would it be a safety issue to turn the circuit back on? There was no wire connected to the screw/bracket — it seemed to just be ...
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2answers
67 views

Using rj45 connectors for home alarm wiring

I'm setting up my home alarm (a dsc 1832) using cat5 cables (these were the closest I could find in my country to the specs recommended by the 1832 manual). I've had to make some splits since the cat5 ...
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2answers
116 views

Multiple 3 Way Switch wiring

I have a box that has 2 3-way switches. One goes to control the basement lights. The other one controls a light outside the basement. There is also a 3-way switch outside the basement that ...
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1answer
56 views

Two 3-Way Switches and One 4-Way Switch Controlling two lights. How do I convert the 4-way to a single pole switch?

Here is the situation. At the top of the stairs I have two 3 way switches. (the left one controls the upstairs hall light and the office ceiling fan/light and the right one controls the ceiling stairs ...
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2answers
75 views

Does a GFCI also protect against arc faults?

I have an old house, the electrical cabling only has two wires with no ground wire. When I bought it years ago, I had an electrician in to look at it, and they put GFCI blank-face receptacles on every ...
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0answers
32 views

Using CAT5 cable for multiple door contacts @ 24v per pair back to a Moxa unit

Working on a smart Moxa system that is monitoring Fire and Door access. Thinking of using a CAT5 cable to run to door contacts using 24v to monitor. Can I use the same cable for 4 doors, or best ...
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2answers
54 views

How many wires per connector, why is a black wire connected to a white wire, how to install brace bar without attic access?

Hi all. I have a single hallway light that I decided to replace with two new fixtures. It is a 3-way with a switch in the office (3-way switch 2) and another in the hall (3-way switch 1). It appears ...
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1answer
29 views

How can I eliminate a 4-way switch and still have two 3-way switches operating the lights?

I have two 3-way switches and one 4-way switch. I eliminate the 4 way and want the two 3-way switches to still turn on and off the lights. So I went up in the ceiling and connected the one switch to ...
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0answers
79 views

How do I get my light fixture to work?

Recently I bought a second hand light fixture off of eBay for the living room. I've had 2 electricians out to mount it and in both cases, the light will not switch on after fixing to the ceiling. ...
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2answers
70 views

How to wire 2.5 inch wall sconce when junction box in 4 inch in size

We have a couple of wall sconces to install that have 2.5 inch bases. In the wall we have standard 4 inch round junction boxes. How can we go about this install? It doesn't seem like smaller ...
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2answers
109 views

Do I need to add a fuse for a lamp circuit off a ring main?

In my flat I have a spur from the ring main to two double plug sockets either side of the bed. There is a 13amp fused spur switch between the ring main and the spur. I want to extend the spur to go ...

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