Hot Tub and Spa Wiring in Spokane, WA

When people call about this

• A hot tub or swim spa is being delivered and needs power
• The tub's manual calls for a 240V dedicated circuit
• The GFCI disconnect on an existing tub keeps tripping
• A plug-and-play tub is being upgraded to a full 240V model

What to ask before you book

Ask for the tub's electrical spec sheet before the visit (most need a 40A to 60A circuit), where the GFCI disconnect will sit (code requires it within sight of the tub and at least 5 feet from the water), and how the cable will reach it.

Have the property address and a short description ready. Our planning guide has a checklist.

What changes the cost

Distance and amperage drive most of the cost. What moves the price:

• Distance from the panel to the tub location
• Circuit amperage from the tub's spec sheet
• Trenching underground conduit vs surface runs
• GFCI disconnect and weatherproof fittings
• Permit and inspection fees

Permits and inspections

A new circuit or wiring change is permit work. In Washington, most electrical work needs a permit bought before work starts. When you hire an electrical contractor, the contractor must buy the permit for the job. Depending on the address, permits and inspections are handled by the city or by Washington State Labor & Industries (L&I). Water and electricity sit close together on a hot tub job, so the GFCI protection and bonding are checked at inspection.

Permit source: Washington L&I: electrical permits and inspections

Typical steps to discuss before booking

1. Share the tub's electrical spec sheet and planned location.
2. Panel capacity is checked with a load calculation.
3. Written scope: circuit size, disconnect location, cable route, permit.
4. The circuit, disconnect and bonding are installed.
5. Inspection is passed before the tub is filled and used.

Keep reading

See panel upgrades if the panel lacks capacity, EV charger installation for another big 240V load, the permits guide and the planning guide.