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
87 views

What type of material is flexible but not too much, water proof, and can tolerate 80°C temperatures? [closed]

The idea is to build an electric pad with an non-coated heating wire (~1.3 Ohm/metter): the pad must be flexible under the bed sheet (like this one) but not too much (to prevent it being crumpled ...
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2answers
52 views

What is the grounding requirement one a second sub panel in a steel building

I currently have a 125A sub panel in my steel shop ran from my house 200A service panel. Existing shop sub panel is grounded from house panel to isolated ground buss and also is grounded to shop ...
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1answer
92 views

Breaker Tripping Mystery

I have a mystery regarding trip switches. The 2 switches that I isolate when the problem occurs the 2 breakers does not trip individually, The main breaker trips all the time which is on a different ...
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1answer
147 views

Ceiling Fan Universal Remote Wall Switch Install… Which wires?

Let me first state that I am very green to anything electrical. I know enough to hopefully not kill myself, such as to turn off power at circuit breaker AND to still test wires and switches with a ...
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1answer
148 views

Installing a PIR Motion Detector - Not working because it requires a neutral wire

This is going to make me sound daft but I am new to DIYing and by no means an electrician! But I am trying to install a motion sensor light switch on the ceiling where a pull cord switch used to be. ...
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2answers
97 views

Function of a phase angle adjustment in a light dimmer

I'm setting up a light dimmer an have found a adjustable part for setting the "phase angle of light bulbs". That is a literal translation from German. You can see the adjuster in the picture. My ...
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1answer
256 views

How much NM cable can I fit in a conduit?

I am replacing my 55 year old, 100 amp, 12 space outdoor service entrance panel with a new 20 space 200 amp outdoor panel. Since the new panel is 12" above the rim joist, I was thinking of using PVC ...
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1answer
68 views

Is this a valid layout for a stairwell light?

My pair of lights and pair of switches was working in my basement stairwell. I'm redoing the wiring because I added more switches but I can't get the stairwell lights working again. The only thing I ...
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1answer
397 views

Circuit breakers off, but meter still running

I purchased a house a few weeks ago and got the power connected about a week ago. The house has been empty and I leave all the circuit breakers off. The Meter is digital but the display doesn't seem ...
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1answer
64 views

Is there any advantage of one of these types of switches over the other?

Shown in the photos below are two different 2-pole breaker switches in my circuit box. In order to turn the 15 amp switch on and off it must be pushed along a longer section of the breaker than the 20 ...
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2answers
106 views

Receptacles in Kitchen Cabinets

I am roughing in some plugs in my kitchen for when the workers come and hang the cabinets. I am getting cabinets with LV lights on the underside of them. The cabinet makers asked me to make sure I ...
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1answer
132 views

Chattering contactor, what should voltage be when AC is on/off?

I have a Nest thermostat that I believe is the culprit of this issue. I've already replaced the contactor once and now the new one is chattering and not kicking the AC on. When the AC is turned off, ...
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2answers
403 views

Can I split my electrical mains in two so I can have an independent meter in my outhouse?

Can I have my electricity supply split into two, so that I can have an independent meter in my outhouse, from my existing supply?
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1answer
418 views

How can I add a 30 amp breaker for an RV connection?

I am trying to determine the most cost effective way to add a 30 amp breaker so that I can plug in and run the air conditioner unit on my RV. Currently my panel is full and I don't have space to put ...
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1answer
121 views

Plug/fire stop holes drilled for running low voltage cable?

I am considering running a low voltage cable (probably Cat6, but maybe fiber) up inside an exterior wall, between studs, from basement to 2nd floor in an existing home in the US. I should get riser- ...
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1answer
28 views

Installing a ceiling light fixture in USA that was purchased in HongKong?

I purchased a light fixture on a recent trip to HongKong and someone told me that it would not be compatible with USA. Is this true and if so is there an easy way to convert it so I will be able to ...
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1answer
156 views

Why won't my lights light up, even though there's power to the lights?

I have new construction, one switch with power to it. From the switch I ran the wire to the first light(4 total) from the first light I ran wire to two different lights and then from one light of the ...
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1answer
679 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 ...
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1answer
72 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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1answer
426 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 ...
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2answers
1k views

Can I use a WiFi thermostat without a C wire?

I have a very old Honeywell programmable thermostat. I am going to replace it with a White-Rodgers UP500W Emerson Sensi WiFi Thermostat. I just want to know if the WiFi unit will work without a C ...
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1answer
301 views

How do I replace a strip light with wiring that doesn't match the old light?

I'm replacing a strip light, but the wiring on the light I'm putting up does not match that of the strip I'm taking out. Coming out of the ceiling there are two cables. The larger white cable ...
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1answer
159 views

all power to one room not working outlets read hot

We've lost all power in one room. We Replaced all the outlets in the room and the breaker for the room. all breakers and outlets read hot but no electrical is working in the affected room.
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1answer
88 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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2answers
133 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
241 views

My LED strip lights just went boom, how to diagnose?

I live in a rented house (in singapore), where the master bedroom alone is fitted with a pair of LED strip lights, and about a month back, when we tried to turn it on, it went a (soft) boom, and hasnt ...
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3answers
3k views

Can I wire 2 ceiling fans, 5 ceiling spot lights, and 3 closet lights on a singe 15 amp circuit?

Can I wire 2 ceiling fans and 5 ceiling spot lights and 3 closet ligthts on a singe circuit with 12 ga wire and a 15 amp breaker? Or should I wire the 2 ceiling fans on a separate circuit?
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1answer
1k views

How can I wire an outside motion detector light?

Good evening all, I need to setup a PIR outside. This is a new installation and existing cable runs are not present. The wiring diagram for this light is very limited. I want to utilise an existing ...
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3answers
41 views

Covering hot outlet and waterline

Can I cover up a wall outlet and water line to an old icemaker with a drawer base cabinet? Or do I need to cut out the back of the cabinet to allow access?
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1answer
169 views

Where does the C wire connect in a dual transformer system?

When wiring a common ground (C wire) for a dual transformer system, does it matter which transformer you connect the ground too? I'd assume that the ground on either transformer would serve as a ...
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3answers
557 views

How To Fix Severed Sprinkler Solenoid Wire?

I re-opened my sprinkler system this season to discover that one of the zones would not go off on it's own. After visually inspecting the valves, I see that the issue is that one of the two wires ...
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1answer
2k views

Can I connect two wires to a single screw terminal in my HVAC system?

I am installing a new honeywell WiFi thermostat but the old battery operated thermostat had batteries and no "C" wire. I look at both the thermostat and the air handler and found an extra un-used blue ...
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1answer
165 views

Central AC Tripping Circuit Breaker (sometimes)

When my AC first turns on, it will typically trip the circuit breaker shortly after the compressor and fan start up. If I reset the breaker, and turn the AC back on, it will usually run just fine and ...
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1answer
92 views

Wiring- Simple for you

Ok I have 2 switches right next to each-other on the box. One does the light in the fan/light combo, and lights above my my medicine cabinets. The other, JUST does the fan. Im tired of people taking ...
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1answer
370 views

How do I add an independently controlled light fixture to an exiting three way circuit?

In my garage I have a two way switch near the rolling door and another one located next to the entry door going into the house. Both switches control the garage main light that barely gives enough ...
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1answer
469 views

motor hums, light works, fan won't turn

I just hung a ceiling fan with light fixture. I wired black to black and white to white. The fan and light are operated by a remote. The light will go on, motor hums, but the fan won't turn. I ...
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1answer
348 views

Distribution of circuits for two bathrooms

I currently have two bathrooms serviced by one circuit. Each bathroom has lights, a single GFCI counter-top receptacle, and one bathroom has in-floor resistance heating. I will be adding in-floor ...
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2answers
62 views

Clarification on sharing a neutral for 2 circuits

This is a followup question to this answer I plan to do something quite similar to the diagram Tester101 posted. I will pull 3-wire (10/3+g) into a junction box and then pull 2 separate 2 wires ...
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1answer
222 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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2answers
155 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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1answer
60 views

Looking to add a bath fan

I have a light that has power to it and then from there goes to a switch. So neutral is hot back to light so you can turn it off and on. Behind the switch in the box the power is split to 3 outlets. ...
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1answer
265 views

How do I make ground connections at my receptacle boxes?

I searched for my question but could not find the answers. I had the inspector out for my rough in on electrical inspection. He said I did a very nice job but I need to make all my grounds at all my ...
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1answer
90 views

Should I buy or hack a 240v remote controlled thermostat?

I'd like to buy/easily create a thermostat that remotely controls a 240v / 10A switch. At a minimum the switch should be on when it's hot, and the threshold should be configurable. Digital ...
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3answers
317 views

Is it acceptable to use a ground wire from one outlet to ground another?

I live in a condo/apt. Two of my three prong electrical outlets were not showing up grounded when I plugged my surge protector in. I think from lightning or something. I need to plug computers and an ...
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3answers
554 views

Is there a simple way to convert from a pull switch to a toggle switched light fixture?

I would like to replace a bathroom vanity light fixture in 100 year old house. It currently has a pull string on/off switch. Is there a simple way to convert to a switched light fixture? The switch ...
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1answer
6k views

Thermostat Where Do The Two Wires From Condenser Go?

First let me say that I'm a newbie and have zero electrical experience. I'm an IT Guy and thought "Hey, its electronic, so I can probably figure it out." WRONG I appreciate any feedback/suggestions ...
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1answer
50 views

How should I power 6 30W (30-36v 1.05A) LEDs from the mains?

Was reading about transformers, so basically, which transformer will be optimum, could i get a 36-30v one and not worry about resistors?
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1answer
159 views

Adding 2 led flood lights to 15amp breaker

I currently have a 15amp circuit that runs outside to a 4 outlet receptacle that was for a pool pump which is no longer in use. It was run with #8 wires with a #10 ground. I want to hook up 2 ...
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1answer
91 views

How can I wire a receptacle to a switch?

I have an empty double gang box on my patio. I have a 12/2 wire which is hot coming into it. There's an underground PVC pipe going about 25 ft away, to a single gang box near an outdoor pond. What ...
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1answer
138 views

Rain Bird ESP-6 Sprinkler controller buttons no longer functioning—do I need a new controller?

I am trying to manually cycle through my sprinkler zones with my Rain Bird ESP-6 controller (from 1996), but the membrane button to manually cycle the zones does not work. In fact, none of the 4 ...