The three-phase supply cable requires separate insulated neutral and ground conductors run from the power unit to the sauna heater within a 1-inch liquid-tight flexible conduit. Wiring must use 90-degree Celsius copper wire terminated with a 90-degree Celsius connector at the junction box located under the back of the heater.
THE 3PH SUPPLY CABLE MUST HAVE SEPARATE INSULATED NEUTRAL AND GROUND CONDUCTORS USE 90° C COPPER WIRE FROM POWER UNIT TO SAUNA HEATER (WITHIN 1" SEAL TIGHT FLEX CONDUIT), AND CONNECT TO JUNCTION BOX UNDER BACK OF HEATER, WITH 90° C CONNECTOR.
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