ONE- AND TWO-WIRE CIRCUITS Tracing wiring circuits, particularly those connecting lights or warning and signal devices, ... By studying the diagram in figure 7-35, you will see that the branch circuits making up the individual systems have one wire to conduct electricity from the battery to the unit requiring it, and ground connections at the ... The coupling between the trailer and the equipment, although made of metal and a conductor of electricity, has to be jointed to move freely.
|Title||:||Construction mechanic 3 & 2|
|Author||:||United States. Naval Education and Training Command, Naval Education and Training Program Development Center|