23
A pressure sensitive
terminal block (bonding
lug) is attached to the
outside surface of the
load box. This permits the
connection of a bonding
wire between this point
and any metal equipment
chassis, metal water pipe,
or metal conduit within 5
ft (1.5m) of the spa. The
bonding wire must be at
least #8 AWG (8.4 mm
²)
solid copper wire.
Red (L2)
Red (L2)
Pigtail
Neutral Bus
Ground
TB2
Black (L1)
Black (L1)
Green
GFCI Sub Panel*
Main Panel*
2-Pole
GFCI
Breaker
Ground/Bonding Lug**
No Load Neutral Wire
Main Panel with Secondary GFCI Shut-Off Box Using a
2-Pole GFCI Breaker with 2-Wire Grounded Connection
(3 Wires to Hot Tub, 2-Hot (L1-L2), 1-Ground)
TB1
White (N)
Green (Ground)
*GFCI Sub Panel commonly
used when recommended GFCI
does not install in Main Panel.
Note: service disconnect not
shown in this diagram.
The control box TB1 terminal
position varies between models.
BR
Hot Tub
Control Box
Red (L2)
Pigtail
Neutral Bus
Ground
TB2
TB1
Black (L1)
Green
Main
Service
Panel
with
GFCI
2-Pole
GFCI
Breaker
Ground/Bonding Lug**
2-Pole Circuit Breaker with 2-Wire Grounded Load Connection
(3 Wires to Hot Tub, 2-Hot (L1-L2), 1-Ground)
White (N)
Black (L1)
Red (L2)
240 VAC
No Load Neutral Wire
Note: service disconnect not
shown in this diagram.
The control box TB1 terminal
position varies between models.
BR
Hot Tub
Control Box
Connection Configuration #1
240 VAC Connections for 880 Altamar, Cameo, Capri, Majesta, Marin,
Optima, Maxxus, 780 Camden, Certa, Chelsee, Hamilton Models, 680
Burlington, Hartford, Hawthorne Models (North America 60 Hz)