SINGLE PHASE (100% CORRECT.)
Is there a negative and positive line in ac power supplies? - ANSWERNo, all ac lines
will change between positive and negative.
What is the voltage between a hot and neutral in a 230v system? - ANSWER108v
What is the voltage between two hot lines in a 230 volt system? - ANSWER230v
What is the voltage difference between two hot lines in a 208 volt system? -
ANSWER208v
What is the voltage between a hot and neutral in a 208v system? - ANSWER120v
What is the advantage of using higher voltage? - ANSWERLess amp draw for the same
wattage
What is the acceptable maximum voltage difference between the name plate voltage
and the supplied voltage? - ANSWER+/- 10%