Multi-wire Branch Circuit Wiring
C–6
975-0012-01-02 Rev A
Figure C-5
Using a Step-down Autotransformer in Multi-wire Branch Circuit Wiring
Load Center
L1
L2
Neutral
Ground
120 Vac
120 Vac
15 A
Breaker
(Ganged)
Bare - Ground
Single White - Neutral
(Current Flow 0 A)
Black - Hot
(Current Flow 15 A)
Red - Hot
(Current Flow 15 A
White - Neutral Splice
(Current Flow 15 A)
15 A
Breaker
(Ganged)
T240
AutoTransformer
White - Neutral
HOT - L2
HOT - L1
HOT
NE
U
T
R
A
L
The out-of-phase
current SUBTRACTS
at this point.
120 Vac
Inverter or Generator
Содержание DR1512W
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