A so-called two-wire system requires two wires to complete the electrical circuit a one wire from the source of electrical energy to the unit it will operate, and ... Youa#39;ll find two-wire circuits used to provide positive connections for lights and electric brakes on some trailers. ... Look at the diagram in figure 7-3 which illustrates a simple battery-charging system of the kind youa#39;ll find on some of your equipment.
|Title||:||Mechanic 3 & 2|
|Author||:||United States. Bureau of Naval Personnel|