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Load Box Connection Diagram For J-315, J-325 (120/240 VAC, 60Hz)
Red
Pigtail
Neutral Bus
Ground
TB2
TB1
Black
Green
Main
Service
Panel
with
GFCI
Hot Tub
Load Box
2-Pole
GFCI
Breaker
Ground
J-315, J-325 (240 VAC)
2-Pole Circuit Breaker with 3-Wire Grounded Load Connection
(4 Wires to Hot Tub, 2-Hot, 1-Neutral, 1-Ground)
White
Black
Red
240 VAC/120 VAC
C
Note: service disconnect not
shown in this diagram.
B
R
Red
Red (Hot)
Pigtail
Neutral Bus
Ground
TB2
Black
Black (Hot)
Green
GFCI Sub Panel*
Main Panel*
Hot Tub Load Box
2-Pole
GFCI
Breaker
Ground
J-315, J-325 (240 VAC)
Main Panel with Secondary GFCI Sub-Panel Using a
2-Pole GFCI Breaker with 3-Wire Grounded Connection
(4 Wires to Hot Tub, 2-Hot, 1-Neutral, 1-Ground)
D
TB1
White (Neutral)
Green (Ground)
*GFCI Sub Panel commonly
used when recommended GFCI
does not install in Main Panel.
Note: service disconnect not
shown in this diagram.
BR
W
White
W
White