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 ...

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1answer
136 views

Electrical problem

In my house we get a low voltage shock when you touch metal with wet hands. We had a electrician in who told us it was a problem outside our house. He said it had to do with the transformer that fed ...
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1answer
38 views

Can I change an outlet circuit to 240V (NEMA 6)?

I'm in an American house sitting in a jurisdiction that applies NEC 2014 unaltered. I've got a home office room with all the outlets on one 20A circuit. It is legal to 2014 code in all respects. Who ...
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1answer
19 views

after power cut - fuses all on and no power? (to pool filter)

We had a power cut last night due to a thunderstrom and this morning our pool filter wouldn't turn on. I checked all fuses in the fuse box, and everything appears to be switched on. I have a ...
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0answers
17 views

Can I run a 110V extension cord through a wall-mounted cable hider/channel?

I have a ceiling mounted 110V outlet and I want to run an extension cord down to the floor. Is it up to US electrical code to mount those PVC cable hider channels on the outside of the wall and run ...
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2answers
74 views

Can a single ground wire ground 2 outlets?

Can a single ground wire ground 2 outlets? I don't want to run another wire through the wall, if I can run a wire to that other ground wire (and have 2 outlets being grounded by one wire). In other ...
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1answer
60 views

If i use one ground wire for two outlets, will my equipment get damaged?

If i use one ground wire for two outlets, will my equipment get damaged? Here is what I want to do: If my air conditioner sends voltage through the ground wire shared with the outlet powering my ...
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2answers
66 views

How can NEMA electric plug be safe ?

I'm quite scared every time I have to use NEMA plugs (I live in Japan). Coming from europe, the bottom of the two connectors is insulated This ensure that even if you touch them while plugging/...
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1answer
21 views

AC tripping power breaker

My central AC is dripping power breaker What I have checked Filters are clean I cleaned outside unit with water I put in a new capacitor It cools fine it just trips middle of night like 4am
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1answer
83 views

Is connecting a 5 A PLUG into a 10/20 A socket for electronics pose a problem

Most of my electronic appliances are 5 A based, this includes my Desktop PC, external hard-drives, Laptop and TV but the socket I have are 10A/20 A one. Could there be a problem connecting the 5 A ...
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1answer
33 views

Can i use 1 ground wire to ground 2 outlets? [duplicate]

(Before I start, I am not worried about the NEC.) I have 2 outlets in my room. 1 of them has a ground wire that is run along the baseboard through the wall and down the side of my house to the ...
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1answer
50 views

Receptacle not working

I have a receptacle that notoriously trips a breaker. However this time the receptacle stopped working as in nothing plugged in will work but will work everywhere else, and it did not trip the breaker....
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0answers
17 views

Using Both Sonoff Wi-Fi Switch and Existing Wall Switch to Control Light

EDIT: Oops, I meant to say hot/neutral for (+)/(-). I'm not completely educated in this as you can tell. ^_^;; I live in the U.S. I'm attempting to figure out if it's possible to hook up a Sonoff Wi-...
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10 views

Surge protection(Kinda) with a power bar

Apologies in advance if this is the wrong SE to post this in, but Electrical Enginnering Stack Exchange didn't look like the proper place, based on what was 'on topic' over there. Anyway, I have a ...
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2answers
94 views

3 way switch issue

I am trying to figure out how to install a 3-way switch. Unfortunately, I did not took any pictures of the previous 3-way switch installment, I thought this would be easy but after I bought the new ...
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0answers
18 views

Wire switch outlet combo in middle of circuit [on hold]

how do I wire a switch outlet combo, the switch is for a new light install but I want the power to continue to the next duplex outlet. Thanks. Located in Oh Switch outlet combo is Leviton. Romex is ...
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0answers
17 views

Having issues connection motion sensor

I bought an in-wall PIR switch (http://amzn.to/293hYyJ) and I'm trying to install it. The switch has 4 wires: red, black, white and green In my wall, I had 2 black wires and a green one that were ...
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1answer
33 views

Power 12V air mattress pump from 5V powerbank

I would like to power 12V 32W air mattress pump from power bank. Power bank output is 5V and this is not enough (correct me if I'm wrong) I see two ways: Using DC-DC converter. I found one XL6009E1 ...
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1answer
22 views

Washer & dryer lost power after the main breaker tripped

Some background. I am in a mobile home trailer type thing (not RV, this is stationary) in a mobile home park. Yesterday the main breaker tripped. This house has one on the inside in the electrical ...
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1answer
68 views

Dead circuits with breakers across from each other

I have 4 dead circuits which were intermittent off/on at first- now dead. The 20 amp dual tandem breakers are across from each other in the breaker box. The breakers/circuits above and below the ...
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0answers
72 views

Type AC cable — why is it still made/used?

Old-style armored cable (Type AC) is still made and widely distributed. Why is this, given that type MC cable is more versatile (more conductor configurations, more Code-permitted applications) than ...
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2answers
41 views

What is the proper way to solder two different gauge stranded wires?

How does one properly solder a 10 AWG copper stranded wire with an 18 AWG copper stranded wire. There are plenty of tutorials on how to solder same gauge wire, but what is the recommended way to ...
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2answers
37 views

Brand new 3-way lamps not working correctly

Ok so I'm at my wits end on this...I've bought two different 3-way lamps this week. Both are not cycling correctly through the three brightness settings. The first lamp was 'Better Homes' brand from ...
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2answers
48 views

Noisy exhaust fan starting itself

Our bathroom exhaust fan is located on our second floor bathroom. It's the original installed in 1986. Suddenly, it started to make an unbearably loud noise upon operation. So loud that the sound ...
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1answer
33 views

Need help wiring new dimmer

I'm trying to wire a new Legrand Adorne Softap dimmer without any luck. It's replacing a Legrand Adorne paddle dimmer which uses the HOT and 1-POLE connections on the back of the dimmer. The new ...
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3answers
40 views

Wiring second breaker panel

I have a 100 amp service running from meter base to new garage, that's completely wired. Now, I'm going to run from garage to new house under construction. I want to use another one hundred amp ...
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1answer
45 views

Buzzing sound relates to domestic fuse problem, or bigger issue?

I noticed the light in the fridge was flickering, same with the coffee machine LEDs etc on the same plug circuit. Fortunately, I noticed that in the garage...this house built about 18 yrs ago; this ...
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1answer
22 views

Installation of pendant lite

In our new home the ceiling is wired for a pendant light, but the electrician did not install the light. Having some experience from helping my late electrician father, I have installed several wall ...
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2answers
18 views

Re: 240V electric furnance - what is Dual Supply Circuit Vs. Single Supply

I am having a Intertherm 012H 240v electric furnace installed. The installer asked me which wiring system would i prefer. The manual offers a choice: A.) Single @ 51.2 total amperes with a max over-...
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1answer
19 views

Intermitten (shuts off randomly) power to one leg (hot) wire in sub panel

This is an apartment complex. The service panel has two rings, or meters, and 2 Murray 2-pole 50 amp breakers. The service panel is about 25 to 35 years old. Each 2-pole 50 amp breaker services a ...
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1answer
103 views

Powerboard overload switch melted

We came home last night to find one of our powerboards (outlet strips) had melted/caught fire. Pretty scary! Now I'm not 100% sure on what happened but I believe that there was an oil column ...
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1answer
29 views

Ground rod for detached sub panel

My contractor sunk a length of rebar in the footing of my shop to be used as ground rod for the sub panel. I'm not sure but I suspect its just a 10 ft. length of rebar, and isn't tied into the rest ...
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2answers
64 views

Adding a light fixture to an existing fixture

I added a new light fixture by splicing into an existing fixture. When I turn the light on, the existing light comes on, when I turn it off, the new light comes on. What have I done wrong? I want ...
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2answers
37 views

Electrical wiring question for instant water heater

I am installing a point of use Chronomite SR-20L/240 HTR 240-Volt 20-Amp SR Series Instant-Flow Low Flow Tankless Water Heater. https://www.amazon.com/Chronomite-SR-20L-240-HTR-Instant-Flow/dp/...
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3answers
207 views

Is it safe to have two circuits passing through one junction box?

So I found the following circuit diagram in my home. After receiving a fun little shock, I found that someone was using 14/3 cabling to carry 2 different circuits to this 1 gang box (line on left, ...
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1answer
82 views

Why did I need to switch several appliances in order to power my electric stove?

This is a bit more theoretical but I am confused as to how this may have happened. I own an electric stove that is plugged into one of those large 240V sockets on the wall. Yesterday when I switched ...
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2answers
27 views

How to wire this dimmer switch

My metal wall box has line, load, and neutral wires, which I've identified. My understanding: Line goes to black on the switch. Load goes to red on the switch. Where do I attach the green (...
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2answers
1k views

Why do my fluorescent lights turn on slowly or not at all in the summer?

We live in Florida, and the fluorescent lights in the kitchen turn on very slowly (if at all) in the summer. Other clues are: They work fine in the early morning Later in the day (hot day) they ...
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2answers
151 views

Confused about wiring outside light fixture with multiple switched wires

I am trying to replace an outside motion detector light fixture that was removed before I bought the house and the only things left were the plastic base in the eave and electrical taped wires shoved ...
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1answer
147 views

Why won't my lights stay bright with a dimmer switch?

I installed a 700W incandescent dimmer. Lights go dim after about 10 seconds when I turn on.
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2answers
29 views

Can I install a sprinkler system timer underground?

I have a 4-zone sprinkler system. I had a construction crew at my house, and it appears they cut 1 of the 5 wires before pouring new concrete on top. Therefore, only 3 of the 4 sprinkler zones work. ...
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1answer
1k 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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0answers
30 views

What size wiring and what type breaker should I use for wiring an above ground pool?

I'm installing an 18'X33'X52" above ground pool. I need to run two circuits from my panel to the pool. The run will be approximately 300' with about 75' buried. What size wiring and what type ...
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2answers
546 views

Installing New T8 Ballast; need wiring diagram

I am installing a New T8 Single tube ballast to replace an older ballast. The new ballast has one black wire, one white wire, two blue and one red. The old ballast has two wires coming and going from ...
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4answers
107 views

GFCI Problem wiht Three-Way Switch WAS Two Switches Neutrals Only, Switched Hots Not Used

I replaced an old two-prong receptable with a three-prong GFCI (no ground) yesterday. It won't reset. I found out that "downstream" there is a light on the next level down that is controlled by two ...
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2answers
321 views

Breaker lets more Amps then its max

The last few day's I had the main breaker triped a few times, I checked the amps with a multimeter and when the central air conditioner turns on it draws 150! amps for 1 second and then goes down to ...
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3answers
71 views

3 way dimmer on 4 way circuit

I have a 4 way circuit with 6 total switches light switches. One is a dimmer switch. The other 5 switches only work properly when the dimmer switch is on. If the dimmer switch is off the other toggle ...
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2answers
27 views

Unused red fan wire

We replaced a fan that required the three wires, white, black and red with one that is controlled by a remote and only uses the white and black wires. My question…since there’s a light switch that ...
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1answer
293 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 ...
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3answers
21k views

Can I share the neutral in 12/3 cable between two GFI circuits with different current ratings?

I think I know the answer to this question however I have been known to be wrong before! I am using GFI breakers to protect multi outlet circuits. One is 15 amp and the other is 20 amp. I realized ...