Tagged Questions

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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12
votes
6answers
2k views

Electric shock - was I stupid, unlucky, or a combination of both?

One of the double sockets in our garage needed replacing (damaged after a washing pole hit it) - a pretty trivial job that I'd done before. So I flipped the MCB for the ring main, used a non-contact ...
0
votes
3answers
33 views

Kitchen fixture pulled lose from ceiling

My kitchen fluorescent fixture has pulled lost from the ceiling and is dangling just by the electrical wires. It is an older home(25years) and the anchor bolts have pulled thru the drywall. I have ...
1
vote
3answers
84 views

A/c makes the lights turn on and off! No Joke!

The lights on the first floor, upstairs bathroom and upstairs Laundry room won't work. The breakers did NOT pop The air conditioning was running this morning but is not working now. When the ...
3
votes
2answers
165 views

Does anyone know how to get rid of magnetic field from water line?

I have horrible wifi reception in one side of my house, even with an expensive wifi router. So I purchased a magnetic field meter and confirmed everywhere it peaked the wifi was non-existent. Walking ...
0
votes
1answer
67 views

Trying to hook up 2 new lights and 1 outlet

We are trying to get two vanity lights and one plug in hooked up in our living room which were not there before. We have the power turned off of course, and then when we turned it on, the lights went ...
2
votes
1answer
175 views

How to wire a light fixture with 3 white wires in box?

I just removed a light fixture which was connected to three wires. One light wire (both are brown) was hooked up to two white wires, and the other wire from the light (also brown) is connected to one ...
1
vote
0answers
59 views

What could cause a condensing units fan to stop working?

My AC unit fan stopped working suddenly. I tested the 3 pole condenser (capacitor) and the it looks OK ( 45 uf , 5 uf is what is mentioned in the spec of capacitor). I tested the resistance in the the ...
0
votes
1answer
84 views

How do I wire a gazebo

I just purchased a outdoor pavilion that came with an electrical package. It includes a #12 two wire plus a ground wire going into an electrical box for the on and off switch to run the fan and ...
1
vote
1answer
42 views

Can I run wireless alarm sensor in same conduit as power?

I need to connect a water flow valve to my wireless alarm. I plan on connecting the water flow switch to a wireless alarm sensor Currently there is a junction box that has power running to it that ...
1
vote
2answers
394 views

Why is there a one second delay before the lights turn on with this new dimmer switch?

I just installed a new dimmer switch (Lutron Skylark (SCL-153PH-WH)) in my dining room. The previous switch was a single pole dimmer switch that would turn on the lights on immediately when switched ...
0
votes
1answer
84 views

Why do my lights blink?

I have three flood lights (of this model) controlled by a single switch (this one). When turned on, the lights seem ok for a few minutes, but then they start to slowly blink on and off. Each blink ...
3
votes
1answer
128 views

Strange light switch wiring… why would neutral and hot be connected?

I'm having trouble figuring out why my light switch box is wired the way it is. The place I'm living in is quite old (guessing built in the 80s?). Originally, I opened open the panel with the hope of ...
3
votes
4answers
132 views

How to determine if a 20 amp breaker can be upgraded to 30 amp

I recently purchased my first home and the breaker the electric clothes dryer is connected to is 20 amp. I was told it should be 30 amp by a home inspector but foolishly did not have the seller ...
3
votes
0answers
57 views

What do I need in order to fix the sloppy work done by cable providers? [duplicate]

As some of you have surely experienced, residential telecom installers can leave a thing or two to be desired when it comes to how they get the service into our homes. A small project I've had in ...
3
votes
1answer
95 views

What is this switch plate cover with a pyramidal bulge across the top of the plate?

We were trying to replace old switch plate covers at our new house when we came across one that is a type I've never seen before. It's a light switch cover that looks like an ordinary cover except for ...
4
votes
2answers
82 views

Is there a keyed switch that can be used to power off a subpanel?

I'd like to be able to power off the sub-panel in my home workshop using a simple key-based switch. I envision a junction box just before the sub-panel with a key that can be turned "on" or "off", and ...
1
vote
3answers
64 views

How many amps does it take to power 2 AC's, a freezer, a refrigerator, 2 TV's, and a computer?

I'm making my garage into a living place and I put in a 50 amp line from my house to the garage. The garage has its own fuse box but I want to have an upstairs living area and a downstairs man-cave. I ...
1
vote
1answer
251 views

Why is high voltage coming out of HDMI port on my TV?

I am plugging my TV into a grounded outlet. When I plug an HDMI cable into the back of the TV and measure the voltage coming out of the other end of the cable (should be 0 shouldn't it?) it reads 380 ...
0
votes
3answers
121 views

Should data ground wires be attached to plumbing?

I have ground wires attached to copper plumbing on the house side of the dielectric coupling. The telephone service box has a ground wire which I found attached to copper plumbing. The satellite ...
0
votes
1answer
66 views

Outside flood light problem

A two light outdoor flood light fixture has stopped working. I have replaced the bulbs, checked the circuit breaker, the GFI, the switch (including bypassing the switch). I have also checked for ...
0
votes
3answers
217 views

A spark from a power strip recently made the electricity go out is it safe to turn it back on?

About a week ago my daughter plugged up her iPod to a power strip that was plugged into an outlet in her bedroom, she said she placed the iPod onto the power strip and let it sit there while she ...
1
vote
1answer
30 views

Video / audio ground on ungrounded equipment

There is a great question regarding reversed polarity wall outlets which gives me pause. I recently moved my mother-in-law's television and DVD player, and I noticed that both use ungrounded C-style ...
-1
votes
2answers
48 views

Can this transformer supply 2000 Watts according to its labeling?

I have a 5M voltage transformer, can I use it to my 110V appliance with 2000 watts? Insert is the picture of my transformer
1
vote
3answers
66 views

Need help determining if a multiwire branch circuit is wired correctly

When I opened up my walls for a kitchen remodel I discovered what I'm pretty sure is a multi-wire branch circuit. It has a 12/3 (black + red + white + ground) NM cable going back to the breaker. I ...
13
votes
3answers
1k views

Is there ever a reason for reversing hot and neutral on a receptacle?

I moved into a new home and several receptacles have the hot and neutral reversed. I confirmed this with a basic receptacle tester. I opened one up and found the white wire on the brass terminal, ...
0
votes
2answers
43 views

Is it possible that my GFCI receptacle is bad?

I have a double wide mobile home. The outside receptacles and the one in master bath do not work. They are GFCI protected but the GFCI is NOT tripped. Is it possible that the GFCI is bad? I think the ...
6
votes
1answer
113 views

Can a private electromechanical meter be placed between the utility's meter and the main breaker?

I want to run an experiment which compares the readouts of the newer electronic smart meters against older electromechanical meters. Is there anything in the NFPA 70 or any other law or code which ...
8
votes
2answers
383 views

There are bare copper wires in the light box?

I opened the light switches and electrical outlets on the walls before the painting job and found in the metal casing boxes there were two bare copper wires attached on the same screw, they were laid ...
0
votes
1answer
135 views

For installing a new exterior light on a brick wall, can I connect the wires in a junction box mounted on the opposite side of the wall?

There is plenty of room to install the junction box on the other side of the wall and I would rather not put a box on the outside of the wall. Can I simply connect the wires in the junction box on the ...
2
votes
1answer
77 views

How do I properly ground a light fixture?

I installed a light fixture in my bathroom and need help grounding it properly. The previous fixture wasn't grounded. When I removed the fixture, there were two wires, one black and one white, from ...
1
vote
1answer
173 views

Is it possible (and safe) to adapt a 4-prong dryer outlet to a NEMA 6-20?

I'm considering an appliance that is 240v 16A 3500watt with a NEMA 6-20P plug. Is it possible and safe to create an adapter for this so that it can be plugged into a standard 4-prong 14-30R dryer ...
0
votes
0answers
103 views

Why is my bathroom vent fan tripping the GFCI when being shut off?

I have a GFCI tripping when a vent fan is being shut off. I saw in KeithS's answer to a similar question that the blades rotating after shut off causes an imbalance, tripping the GFCI. In my case the ...
2
votes
1answer
112 views

Is it OK to have more than one neutral wire in the same connection on the neutral bus bar on a main panel?

I'm installing a new 100 amp panel and have almost run out of openings on the neutral bus bar and still have 4 more breakers to install. Can I double up on the neutral side or should I start using ...
3
votes
2answers
424 views

Can I drive a ground rod near a gas meter?

I am redoing the electrical in my 1940s house. The house has no grounding electrodes but the meter and panel are grounded to my water pipe outside in the front of the house. (This actually looks like ...
0
votes
2answers
205 views

I have 220V cable on a 110V circuit. Should I be worried?

I'm reconfiguring my kitchen and moving some stuff around, which necessitates moving some outlets and switches. This is my first attempt at any kind of electrical work, so finding weird things makes ...
1
vote
1answer
47 views

How can I tell if there's an electrical issue or if I have a bad dryer?

I purchased a dryer from Sears: recently, which didn't work upon being connected. I performed a couple electrical checks (more on that in a moment), then called them up and told them that it was dead ...
1
vote
2answers
103 views

Could power fluctuations have killed my refrigerator?

Bought a house (built in 1937) recently. When the clothes washer runs (particularly, when it agitates), lights in the house flicker. I've read in numerous places online that this is possibly due to ...
1
vote
0answers
381 views

What size wire do I need for a 100amp underground 300 ft run?

I want to put in a 100amp subpanel in my garage. The run will be underground and 300ft long. I have a Siemens panel with breakers rated at 60/75 deg C. What is the proper wire size I need? I was ...
2
votes
1answer
49 views

What to do about hot neutral in switch?

The light switch only controls a ceiling fixture. But, the cable powering the switch also powers 2 grounded outlets. The neutral wire on the switch is live/hot. The black wire is not. Right now all ...
3
votes
2answers
286 views

How do I change which half of a receptacle is controlled by a wall switch?

I have a switched outlet in a bedroom. The top receptacle is controlled by a wall switch while the bottom is always hot. Can I make it so the top is always hot and the bottom is switched by just ...
1
vote
0answers
34 views

Can two ground rods be bonded via a PVC conduit above ground?

According to my understanding, if a supplementary ground rod is installed, it must be bonded to the existing rod via a buried 6 AWG cable (NFPA 70). However, because virtually every side of my house ...
1
vote
1answer
70 views

Unplugging Alarm System

The house I am had an alarm system put in when the house was being built. The previous owners of our house used it but we haven't and all its been is a pain in the butt. Before it would beep when ...
0
votes
2answers
99 views

Is it okay to drill a ground rod through pavement?

All the sides of my house are paved, and I need to drive a new ground rod for an antenna. Would it be against code (NEC) to drill a hole in the concrete to pound in a ground rod? Bonus question: How ...
0
votes
3answers
124 views

How far does a ground rod need to be from the foundation?

I need to ground an antenna strapped to my chimney, which requires hammering in a new ground rod. However, the entire side of my house is paved, meaning I can't dig it up to find the foundation ...
1
vote
2answers
85 views

Why use AFCI receptacles rather than AFCI breakers?

Is there any reason to use an AFCI receptacle rather than replacing the breaker with an AFCI type? It seems that providing protection on the whole circuit makes much more sense than to just one ...
0
votes
1answer
57 views

Beeping light fixture

I have been renting a house for a week. The light/fan woke me up beeping every 30 seconds. It continues if the light/fan is switched off. Its the middle of the night, and I am not handy. What should I ...
1
vote
3answers
143 views

Running a new kitchen light circuit from a receptacle with a “traveller.”

I'd like to power a set of three ceiling-mounted down-lights from an existing receptacle in a kitchen reno. A picture of the existing receptacle is attached. My confusion is it has a fourth wire ...
0
votes
2answers
266 views

Is ceiling fan missing grounding wire from the ceiling box, and is this safe?

I recently had a contractor/handyman install a Hunter ceiling fan for me. It worked great, but my wife came home and thought it was too big. I ordered a different Hunter fan, and figured I could ...
0
votes
2answers
135 views

Home Light Automation - Emulate 4 way switch with relay

I've been thinking of ways to do home automation that is somewhat future proof (hardwired); and the best idea I have is to use relays for lights on a 3 way switch circuit. Put in a dual pole dual ...
0
votes
3answers
616 views

How do I wire a ceiling fan?

I recently purchased a ceiling fan - Harbor Breeze Tilghman WITHOUT a light - to replace a ceiling fan WITH a light. The wires coming from the (old)ceiling are red, black, white, green, and copper. ...