Articles about Electrical
Identifying and Measuring Electrical Current
What is electrical current and how is it measured?
Voltage Drop and Electrical Service Planning
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…
Add Lighting to Brighten Up Your Bedroom
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….
HELP – My Wii Won’t Work!
I think I broke my wii. My wii does not want to turn ON. I tried doing what the internet said…
Connecting a Single Phase Motor to a Contactor
How do I connect a single phase contactor to power an electric motor?
Electrical Wiring for a Sun Room
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?
Electrical Question from Mehmet about Electrical Safety
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.
Should You Take On A DIY Electrical Project?
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…
Electric Vehicles and Charging Systems
Different types of electric vehicle charging systems, what are the circuit requirements…
Electrical Applications for Inverters
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…
How to Discharge a Motor Capacitor
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?
Electrical Circuit for a Power Exhaust Unit
I’m wiring a power exhaust to a commercial HVAC unit and i want to have single point power to the unit and exhaust…
Electrical Troubleshooting Home Electrical Problems
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
Calculating voltage drop for an underground circuit…
Light Fixture and Ceiling Fan Switch Wiring
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…
Wire Sizes and the Electrical Code
Can I run three #10 to give me 90 amps…
Wiring Bedroom Electrical Outlets
How many outlets is best for a bedroom 10 x 10 and the location for safety reasons of the outlets…
Replacing a Ceiling Fan and Wiring the Switches
I am wiring a new ceiling fan/light at the same spot that I used to have only a ceiling fan…
Preventing An Electrical Fire Hazard
Can I replace a 15 amp double pole with a 30 amp double pole breaker…
Electrical Power and Panel Board Ratings
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…