In every way, the 2012 French Open women's singles final appeared to be a mismatch. Maria Sharapova, the winner of multiple grand slams, towered over Sara Errani, who was in her first grand slam final, in both size and stage presence. As the two 25-year-olds met at the net for their pre-match photographs, Errani barely cleared Sharapovaâs shoulder.
The term common is applied to the conductor that is used in any configuration of the circuit. It is easy to confuse common with the neutral wire, and in many cases this is true. A ceiling fan often has separate black and blue wires for the fan and light with the white wire, or neutral, being common to both.
The white wire is the common or neutral wire in a 100-volt service, but the wire can also be gray in color. A white or gray wire can only be connected to another white or gray wire. Knowing the color code is essential for setting up the correct configuration of an electrical system and for safety. Continue Reading.