While standard receptacles typically use three wires -- hot, neutral and ground -- you'll occasionally find 2-prong outlets in older homes. Since this type of outlet lacks a ground connection, the ...

Discover which items should never be plugged into a power strip, along with other hazardous mistakes people frequently make.

Power strips are a common and convenient way to provide additional sockets, but experts warn that there are certain household items you should never plug into one.