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5.0 APPENDIX
Multiwire Branch Circuits
Load Center
L2
240 VAC
from Grid
L1
Neutral
25 A
Ground
Breaker
(Ganged)
Black–Hot
Single White–Neutral
0 A
Bare–Ground
The out-of-phase
currents subtract
at this point
Load Center
L2
240 VAC
L1
from Grid
Neutral
Ground
25 A
Breaker
Black–Hot
White–Neutral
25 A
White–Neutral
25 A
Bare–Ground
Bare–Ground
25 A
Breaker
(Ganged)
25 A
Red–Hot
25 A
120 VAC
120 VAC
Bare–Ground
current flows through
Splice
25 A White–Neutral
Splice
062949-002
25 A
Breaker
25 A
Black–Hot
25 A
120 VAC
120 VAC
062949-001
Load Center
L2
240 VAC
L1
from Grid
Neutral
25 A
Ground
Breaker
(Ganged)
Black–Hot
10 A
Single White–Neutral
When unbalanced
Bare–Ground
each leg, only the
difference current
flows through the
neutral return wire.
25 A
Breaker
(Ganged)
25 A
Red–Hot
15 A
120 VAC
120 VAC
Bare–Ground
Splice
25 A White–Neutral
Splice
062949-002a
©2000 Xantrex Technology Inc.
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