Electrical Distribution Systems
OBJECTIVES
ENABLING OBJECTIVES (Cont.)
1.9
DEFINE the following terms as they apply to wiring schemes used in power distribution
systems:
a.
Ampacity
b.
Bond
c.
Conductor
d.
Ground
e.
Ground voltage
f.
Leg
g.
Neutral
h.
Phase voltage
1.10
DESCRIBE the two methods of connecting single-phase loads to a three-phase power
source.
1.11
DESCRIBE the purpose of the following power distribution schemes.
a.
3-wire, single-phase Edison system
b.
3-wire, three-phase Delta system
c.
4-wire, three-phase Delta system
d.
4-wire, three-phase Wye system
Rev. 0
Page vii
ES-15
