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NOTE: These instructions describe the only acceptable electrical wiring procedure. Spas wired in any other
way will void your warranty and may result in serious injury. The electrical circuit must be installed by an
electrical contractor and approved by a local building or electrical inspector. Failure to comply with state
and local codes may result in a fire or personal injury and will be the sole responsibility of the spa owner.
All 240V spas must be permanently connected (hard wired) to the power supply. When installed in the United
States, the electrical wiring of this spa must meet the requirements of the NEC 70 and any applicable local, state,
and federal codes. The power supplied to the spa must be on a dedicated GFCI protected circuit as required by
NEC 70 with no other appliances or lights sharing the power. Use copper wire with THHN insulation. DO not use
aluminum wire. Use the table below to determine your GFCI and wiring requirements. Wires that run over 100
feet must increase wire gauge to the next lower number. For example: A normal 50 amp GFCI with four #6 AWG
copper wires that run over 100 feet would require you to go to four #4 AWG copper wires.
2.5 240 Volt Electrical Installation2.5 240 Volt Electrical Installation
2.6 GFCI Wiring Requirement2.6 GFCI Wiring Requirement
Control System GFCI Required Wires Required
NEO 1500/NEO 2100 One 50 amp GFCI
Four #6 AWG copper
wires
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