Linked Questions

9
votes
2answers
3k views

Is a negative reading from a non-contact voltage detector sufficient?

I'm a beginner at doing electrical work, and I want to make sure I'm not taking unnecessary risks. Let's say that I'm preparing to work on some wiring. I have a non-contact voltage detector that ...
6
votes
2answers
4k views

Why is voltage detected in my ceramic tile floor?

I found out (in a rather uncomfortable manner) that there is a potential difference between the phase line in my home and the ceramic tile floor. My Fluke multimeter reads 30V AC, I assume the reading ...
5
votes
3answers
2k views

Which terminal to use on my multimeter

I have read the manual for my new multimeter but unsure which (red) terminal to use for what. The meter has one VΩmA fused 500 mA max terminal and one Unfused 10A Max terminal. I just want to measure ...
1
vote
4answers
31k views

Why would three-way switch travelers both show as hot?

We have a three-way switch setup to control our living room light. Our staircase is on the far wall of our living room and one switch is downstairs while the other is at the top of the stairs. The ...
6
votes
3answers
4k views

Electrical box - What are all these wires?

I want to install a light fixture on a box that's in the ceiling. I opened it up and I saw WAY MORE wires than I expected. I expected just a green, black and yellow wire. Here are two photos of the ...
1
vote
1answer
704 views

Voltage tester detecting voltage in non-hot wires when the light switch is off [duplicate]

I just switched the wiring of a single-pole light switch from back wiring to side wiring and noticed that my voltage tester (non-contact pen-style one, Klein Tools NCVT-3) detects voltage in both the ...
5
votes
1answer
1k views

Replaced Blower Motor, but A/C won't stay on unless power button is held down

My HVAC has an electric furnace blower motor for both heating and cooling. I called a repair guy out who explained that the capacitor was good, I just needed a new motor because it had gone out. I ...
6
votes
3answers
743 views

Replacing a power outlet safely

I want to replace some power outlets in my condo with ones that have built-in USB ports. The condo was built in 2008. My thinking is I can simply turn off the breaker for those outlets and get to ...
0
votes
1answer
1k views

Fried dimmer turns lights on/off but new dimmer won't

I had two black wires, one red wire and two white wires coming from the ceiling (I suspect there used to be a fan with a light). In the switch box, there was a black and a white wire (with a green ...
0
votes
1answer
3k views

How to wire LED light to old wiring layout

Bought a new LED strip light to replace an old fluorescent light. After removing the old light I'm left with 3 grey cables coming from the ceiling.There are 3 copper ground wires are all sleeved into ...
1
vote
3answers
1k views

One light switch controlling multiple lights

So my husband and I bought an older house (1956). After we moved in, we noticed that if we turn off a certain switch in the kitchen, we can't turn on the lights in the hall, bathroom, or bedrooms. ...
1
vote
1answer
812 views

Why do my new basement lights trip the breaker?

I am upgrading my basement and the builder initially put the family room and two lights in the basement all on one circuit. During the remodel I tried adding two more lights to that same run and it ...
0
votes
2answers
2k views

Electricity tripping off after installing Nest [closed]

I just replaced my old thermostat and timer for a Google Nest, but every time I turn the electricy back on, it goes off shortly after. I have an oil boiler for heating. Before I call an electrician, ...
0
votes
1answer
74 views

No power to room

Left heater plugged in drying floor all night. Woke up to no power in room and no breaker kicked. Can't figure out what happened. Checked plug in and shows hot and ground reversed but don't no how. ...
0
votes
1answer
196 views

3 Way Switch Spark

I am trying to figure out why a spark was created when I was testing the voltage across a three way switch I have. So to make a long story short, I was trying to move some switches because I didn't ...

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