6.0 Electrical Wiring InstructionsIMPORTANT NOTICE: The electrical wiring of this spa must meetthe requirements of the National Electrical Code (NEC) and anyapplicable state or local codes. The electrical circuit must beinstalled by a qualified electrician and approved by a local build-ing/electrical inspection authority.1. Convertible 120/240V Power ModelsA. 120V “Plug-in” Operation: This spa must operate on the supplied 120VGFCI cord at its original length or must be hard-wired for longer runs.Never use an extension cord for any reason!B. Convertible 120/240V Operation: The included 120V GFCI cordmust be discarded for 240V operation. This spa must be hard-wired.Supplying power to either configuration above which is not in accordancewith these instructions will void both the independent testing agencylisting and the manufacturer’s warranty.2. Dedicated 230-240V Power Models: This spa must be permanentlyconnected (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 accordance withthese instructions will void both the independent testing agency listingand 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 to section5.0 “Power Requirements” (Page 8-9).• Wire size must be appropriate per NEC 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 (10mm 2), add a junction box near thespa and reduce to short lengths of #6 (10mm2) wire to connect to thespa.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, ANSI/NFPA 70. Thedisconnecting means must be readily accessible to the spa’s occupantbut installed at least 5 feet (1.5m) from spa water.6. The electrical circuit supplied for the spa must include a suitableground fault circuit interruptor (GFCI) as required by NEC Article 680-42.7. To gain access to the spa’s power terminal block, remove the screwssecuring the cabinet panel on the side of the spa under the controls.Then remove the four control box door screws and door (Figure BPage 10