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Electrical Q-Mobile: from Carol


Electrical Question from Carol Question: Hello Dave, Can you help me replace a light switch? This electrical question came from: Carol, from Grass Valley, California See more about Home Wiring for California Dave’s Reply: Thanks for your electrical question Carol How To Wire a Light Switch Hi Carol, since your my wife it looks like […]



Electrical Question about a Receptacle at the End of a Line


I have a receptacle at the end of a line with 1 set of wires coming into the wall box, that I want to make into a blank wall plate



Electrical Question from Teresa about Circuit Breaker


We woke up with no power in the bedroom and one wall of another room. We checked circuit breakers and all are live and getting power.



Electrical Wiring for a Steam Shower


These units require a dedicated GFCI Protected circuit, sized correctly, installed and connected according to code and inspected otherwise there could be damage to the…



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?



Kilowatts and Kilowatt hours KWH


How to convert watts to kilowatt/hours



House Electrical Circuit Wiring in Africa


I am building a house in Africa where the standard voltage is 220volts, and I want to wire the house with both 110/220volts outlets



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?



Installing a Whole House Fan


I am installing a whole house fan that runs on 120v 250 watts max. The fan comes with 2 grounded plugs, 1 to fan, one to damper system to simply plug into an existing outlet in the attic…



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…



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