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Do You Need an Electrician for a Hot Tub or Sauna Installation?

4/16/2025

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Hot tub in a wooden frame in a backyard in Milton Ontario
Why Milton Homeowners Trust Licensed Electricians for Safe, Code-Compliant Installs

When it comes to installing a hot tub or sauna in your backyard oasis, you may be asking: “Do I really need to hire an electrician?” The short answer? Yes, absolutely. Not only is it required by Ontario’s Electrical Safety Code, but it’s also a crucial step to protect your investment, your safety, and your peace of mind.

At Milton Electric, we’ve worked with dozens of homeowners across Milton, Ontario—from Timberlea to Beaty—helping them safely wire and power their new hot tubs or custom-built saunas. Here's why working with a licensed electrician isn’t just smart—it’s required.


⚠️ Electrical Safety Comes First

According to the Electrical Safety Authority (ESA), over 110 electrical fires occur each year in Ontario due to faulty wiring. Hot tubs and saunas draw high electrical loads, often requiring 240 volts and dedicated circuits that can’t share power with other outlets or appliances. Improper or DIY installations can lead to overheating, shock hazards, or worse—fires.

In one recent case in south Milton, a homeowner attempted to hook up a used hot tub they bought online, only to have the breaker constantly trip. Our team at Milton Electric inspected the wiring and found it was connected to a shared kitchen circuit—completely unsafe and against code. We installed a dedicated 50-amp GFCI-protected circuit and proper outdoor-rated disconnect, bringing everything up to code and saving the homeowner from a costly insurance issue.


🔌 Why GFCI Breakers and Dedicated Circuits Matter

Every hot tub and sauna in Ontario must be connected with a GFCI (Ground Fault Circuit Interrupter). This protects users from electrocution by instantly cutting power if even a tiny imbalance in current is detected—something especially important in wet environments.

In Milton, our team regularly installs:


  • 240V 50A GFCI disconnects for hot tubs
  • Dedicated 15-20A GFCI circuits for saunas
  • Weatherproof enclosures and outdoor-rated wiring
  • Bonding and grounding systems to meet ESA and municipal codes

We also ensure that the installation meets Section 68 of the Ontario Electrical Safety Code, which governs pools, spas, and hot tubs. Many homeowners are surprised to learn that failure to meet this section can lead to insurance claim denials in the event of fire or injury.


🛠 Real Projects in Milton: What Homeowners Gain

In 2023, our team helped a couple in Coates neighbourhood install a brand-new cedar barrel sauna. The unit required a dedicated 240V line and GFCI panel, along with corrosion-resistant outdoor wiring. We completed the installation in just 1 day and had the final ESA inspection passed within 48 hours.

The result? A fully functional, safe, and compliant outdoor sauna that boosted their home value and added year-round comfort.

Another recent project involved a backyard hot tub installation in Milton Heights, where the customer requested that we hide the wiring to maintain aesthetics. Our team used underground-rated conduit and trenching techniques to bury the circuit while meeting ESA trench depth requirements. The customer not only loved the clean finish but appreciated that the install was future-proofed for smart hot tub tech.

​
Why Hire Milton Electric?

When you hire Milton Electric, you’re working with ESA-certified electricians who understand the unique climate, soil conditions, and bylaws in the Town of Milton. We pull all necessary permits, schedule ESA inspections, and follow strict safety and waterproofing protocols.

We also offer:
  • Upfront pricing with no surprises
  • Flexible scheduling, even on weekends
  • Generous warranty on all hot tub/sauna wiring


Final Thoughts

If you're installing a hot tub or sauna in Milton, don’t risk a DIY electrical setup. Hire a licensed electrician to ensure your home is protected, your equipment runs smoothly, and your installation meets all local and provincial requirements.

Ready to get started? Contact Milton Electric today for a free quote and site visit. We’re here to power your relaxation—safely.

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  • Home
  • Services
    • Lighting installation
    • Electrical wiring >
      • Hot tub electrical wiring
      • Appliance installation
      • Smart home installation
    • Electrical repairs
    • New construction electrical
    • EV charging station
    • Electrical panel upgrade
  • Contact
  • Blog