or hot tub is built by the manufacturer to include such features. 6 CAUTION: DO NOT OPERATE THE EQUIPMENT WHEN THERE IS LITTLE OR NO WATER IN THE SPA OR HOT TUB. WIRE DIAGRAM 220-VOLT SYSTEMS 220-VOLT, 40 AMP, 60Hz, 4 WIRE 2 HOT #8 AWG 1 NEUTRAL #8 AWG 1 GROUND #8 AWG Related searches for spa wiring diagram 220 220 hot tub wiringwiring diagram for hot tubcaldera spa wiring diagramhot springs spa electrical schematicspa wiring diagram schematicspa pump wiring diagramhot tub heater wiring diagramroyal spa wiring diagram