When wiring a lamp socket, the brass screw is for the hot wire. The silver or black (anything but brass) is for the neutral ...

I'm trying to hook up a new subwoofer using the wiring in my house that was installed when the house was built. The cable for the sub is just a coaxial cable with no ends, so I need to stick an RCA ...

Someone installed my cat6e wall jack using the "A" pattern. (The A and B patterns are printed right in there to compare with the actual wires.) I checked it and it's "A". I have now put an rj45 plug ...