Articles about Electrical

What is electrical current and how is it measured?

I need to run close to 250′ at 220v for 20A (or 110v for 40A, but considering the length of run and voltage drop over distance, presume to go with 220v) wire size is borderline between #6 and #8…

I have an existing circuit in my bedroom and want to add lighting with switches in the closet. I figure I need to add a junction box and connect into the existing circuit….

I think I broke my wii. My wii does not want to turn ON. I tried doing what the internet said…

How do I connect a single phase contactor to power an electric motor?

I am adding a sunroom and need to add one 15 amp electrical circuit. My existing panel has room for a mini 15 amp breaker. Do I need an AFCI breaker for this sunroom?

While trying to hang a picture on the wall, thanks to the malfunctioning cable finder, the nail went through a power cable. After a cracking sound the breaker tripped. Removed the nail and than the board. There is a blackened hole on the live side of the cable but the wire inside is intact.

I’m switching out outlets in bathroom. I have an in line pair. I switched out the last in the line and everything worked fine. When I went to switch out the first one in the line, I lost all power…

Different types of electric vehicle charging systems, what are the circuit requirements…

Would it be wise to run an inverter off a battery and the fridge at 220vac off the car battery or would it be better to just run it straight off the 12vdc…

I have to remove the capacitor from my condensing unit for my central air. What is the best (easiest) way to discharge the capacitor before I remove it?

I’m wiring a power exhaust to a commercial HVAC unit and i want to have single point power to the unit and exhaust…

an air conditioner has all of a sudden stopped working. It seems to have a 120V plug. Can a Socket go bad, could it be a wire, or the circuit breaker itself…

Calculating voltage drop for an underground circuit…

I am attempting to install a light fixture and 2 ceiling fans in my living room where there was one fan with a light kit and this was electrically controlled by a switch to power the fan and a dimmer switch to control the light kit…

Can I run three #10 to give me 90 amps…

How many outlets is best for a bedroom 10 x 10 and the location for safety reasons of the outlets…

I am wiring a new ceiling fan/light at the same spot that I used to have only a ceiling fan…

Can I replace a 15 amp double pole with a 30 amp double pole breaker…

In 220volts 3 phase we see on panel board written 440volts. I’m wondering because when I counting this 3 times as equal to 660volts…