J-2007.0 electrical wiring InstructionsImporTanT noTICe: The electrical wiring of this spamust meet the requirements of the National ElectricalCode/USA (NEC) and any applicable state or local codes.The electrical circuit must be installed by a qualified electrician andapproved by a local building/electrical inspection authority.1. Convertible 120/240V Power Models:!• DanGer: to DeCrease the risk oF shoCk,proDuCT DamaGe or eleCTrICal FIre.120v “plug-in” operation: This spa must operate on the supplied120V GFCI cord at its original length or must be hard-wired for longerruns. never use an eXTensIon CorD For anY reason!Convertible 120/240v heater operation:• The included 120VGFCI cord must be discarded for 240V heater operation. This spamust be hard wired. Supplying power to either configuration abovewhich is not in accordance with these instructions will void both theindependent testing agency listing and the manufacturer’s warranty.2. Dedicated 230V-240V models must be permanently connected(hard-wired) to the power supply. No plug-in connections orextension cords are to be used in conjunction with the operationof this spa. Supplying power to the spa which is not in accordancewith these instructions will void both the independent testing agencylisting and the manufacturer’s warranty.3. The power supplied to this spa must be a dedicated circuit with noother appliances or lights sharing the power provided by the circuit.4. To determine the current, voltage and wire size required, refer toSection 6.0 “Power Requirements” (page 13).Wire size must be appropriate per NEC/USA and/or local codes.•We recommend type THHN wire.•All wiring must be copper to ensure proper connections.• Do not usealuminum wire.When using wire larger than #6 (10 mm²), add a junction box near•the spa and reduce to short lengths of #8 (8.4 mm²) wire to connectto the spa.5. The electrical supply for this product must include a suitably rated switchor circuit breaker to open all ungrounded supply conductors to complywith Section 422-20 of the National Electrical Code/USA, ANSI/NFPA70. The disconnecting means must be readily accessible to the spa’soccupant but installed at least 5 feet (1.5m) from spa water.6. The electrical circuit supplied for the spa must include a suitableground fault circuit interrupter (GFCI) as required by NEC/USA Article680-42.7. To gain access to the spa’s power terminal block, remove the screwssecuring the synthetic cabinet panel under the control panel (Figure A).Then remove the four control box door screws and door (Figure B).16