Typical Hot Tub Wiring Diagrams A-B (North American 60 Hz Models Only) - Sundance Spas 880 Series Owner's Manual

22.0 Typical Hot Tub Wiring Diagrams A-B (North American
60 Hz Models Only)
A 2-Pole Circuit Breaker with 2-Wire Grounded Load Connection
240 VAC
White (N)
Black (L1)
Red (L2)
Main
Service
Panel
with
GFCI
B
Main Panel with Secondary GFCI Shut-Off Box Using a
2-Pole GFCI Breaker with 2-Wire Grounded Connection
Main Panel*
Red (L2)
Black (L1)
240 VAC
*GFCI Sub Panel commonly
used when recommended GFCI
does not install in Main Panel.
Page 70
(3 Wires to Hot Tub, 2-Hot (L1-L2), 1-Ground)
2-Pole
GFCI
Breaker
Red (L2)
Black (L1)
Green
Pigtail
Neutral Bus
Ground
(3 Wires to Hot Tub, 2-Hot (L1-L2), 1-Ground)
GFCI Sub Panel*
White (N)
Green (Ground)
TB1
R B
No Load Neutral Wire
2-Pole
GFCI
Breaker
Red (L2)
Black (L1)
Green
No Load Neutral Wire
Pigtail
Neutral Bus
Ground
TB2
Ground/Bonding Lug**
Note: service disconnect not
shown in this diagram.
The control box TB1 terminal
position varies between models.
TB1
R B
TB2
Ground/Bonding Lug**
Note: service disconnect not
shown in this diagram.
The control box TB1 terminal
position varies between models.