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SECTION 2—PARTS AND INSTALLATION
18
Electrical Installation
 DANGER
When using electrical products, basic precautions should always be followed, 
including the following:
RISK OF ELECTRIC SHOCK. Connect the bathtub only to a circuit protected by a 
ground-fault circuit-interrupter (GFCI). Use a 15 AMP GFCI breaker only.
The National Electric Code requires the use of a ground fault circuit interrupter on 
all therapeutic pools and tubs (hydrotherapeutic tanks). Failure to follow this 
requirement could result in serious or fatal injury.
Grounding is required. The ground wire MUST be continuous from the motor to 
the GFCI service panel.
ELECTRICAL SHOCK HAZARD. All disassembly and maintenance of the tub 
MUST be done by a qualified technician, certified electrician or plumber. Be certain 
all electrical work is in compliance with local electrical codes.
All electrical connections are to be water resistant.
Disconnect electrical supply or turn off the circuit breaker before performing any 
maintenance to the tub to avoid electrical shock.
 WARNING
All electrical conduit, fittings and wire to unit are to be supplied and installed by a 
professional electrician in accordance with the National electrical code as a 
minimum requirement, including the supply and installation of a Ground Fault 
Circuit Interrupter (GFCI).
For Canadian installation, ground fault interrupter and a 30-minute maximum 
timer MUST be installed in the electrical circuit. (parts not supplied by ICCG). The 
unit must be operated through the circuit. The 30-minute timer must be located in 
a position where a person in the unit cannot reach the timer.
NOTE: For this procedure, refer to FIGURE 2.6 on page 19.
NOTE: Use 15 AMP GFCI breaker only.
1. Ensure a 15 AMP GFCI breaker is installed to protect the unit.
2. Connect the green terminal to the grounding terminal of the electric service supply 
panel using a continuous green insulated copper wire equivalent in size to the circuit 
conductors supplying this equipment, but no smaller than No. 8AWG (3.3 mm).
NOTE: The green terminal may be a wire connector marked “G”, “GR”, “Ground” or 
“Grounding”.
3. Use the pressure wire connector on the exterior of the terminal box to connect the No. 
8AWG (8.4 mm) solid copper bonding conductor between the unit and all other 
electrical equipment and exposed metal in the vicinity, to comply with local 
requirements.
4. Use a pneumatic air switch with the push button located on the tub deck for On/Off 
switching.
5. Install a 115 V electrical hook‐up per local electrical codes through a dedicated GFCI 
circuit.