Plugging extension cords into other extension cords is another huge "no" in the electrical world. This practice, called " ...

Extension cords are fine for small devices, but certain appliances can be dangerous to use with them, particularly in cold weather.

I'm relocating my office to the basement and where I want the PC places it between the two possible power outlets, roughly 20 feet away. My battery backup units power cables won't reach that far. Why ...