Turn off the Power at the Breaker Box. As with all electrical projects, follow local codes and consult an electrician before wiring a hot tub. Mount the Spa Panel. Dig the Conduit Trench. Run the Conduit. Pull the Wires. Wire the Spa Panel. Wire the Spa Control Panel. Wire the Spa Panel to the Breaker Panel. Click to see full answer. Keeping this in consideration, does hot tub wiring need to be buried? Hot Tub Installation Don’ts If space constraints prevent wiring from being at least five feet away, underground wiring should be installed in rigid metal conduit, intermediate metal conduit or a nonmetallic raceway system that is listed for direct burial.Beside above, how far away does a GFCI have to be from a hot tub? GFCI for Outdoor Hot Tubs There must be at least one convenience receptacle located between 6 to 10 feet from the inside wall of the hot tub. The receptacle must be GFCI protected. Nonmetallic conduit or liquid-tight flexible metal is permitted if the receptacle is less than 6 feet away. Just so, how much does it cost to wire a hot tub? – Electrical wiring/running conduit. The electrical materials will cost around $250 and include a bond wire, service panel, ground and GCFI break, a DC converter for the pump and PVC pipe. This will require about three hours of service from an electrician to install which will cost around another $250.How much electricity does a hot tub use?Estimate how many hours per month you use the hot tub and multiply that number by the number of kilowatts the hot tub uses. For example, 30 hours a month multiplied by 7.5 kW is 225 kilowatt-hours per month. At 11 cents per kilowatt-hour, the hot tub costs about $25 in electricity per month and $300 per year.