The neutral will have raised ribs or other markings down the length of the insulation. The hot wire is always smooth. Examine the screw terminals on the new lamp socket. When wiring a lamp socket, the ...

Snip the wire near the LEDs and pry the assembly upward. The LED module is lightly secured—it might take a flat screwdriver ...

This is a common activity for all types of classes. Basically, you give students a battery, a bare copper wire and a small light bulb. The students are asked to find out different ways to make the ...