fundamentals of circuits, motors, and heat Robert Scharff ... This can be accomplished by transformer taps that reduce the 2, 400 V to 240 V through two of the wires and 120 V through the combination of the third (neutral) ... The illustration also shows the symbol for a transformer when used in a schematic wiring diagram.
|Title||:||Basics of electric appliance servicing|
|Publisher||:||McGraw-Hill Companies - 1976-03|