Hot tubs are a great way to unwind, entertain, or simply warm up on a chilly evening, but on the other hand as an owner of a hot tub you have the responsibility of ensuring electrical safety. Hot tubs combine water, electricity, and outdoor exposure. This requires special attention during both the installation and maintenance of your hot tub. Even the smallest of electrical issues can lead to larger, more dangerous problems, i.e. shocks, fire hazards, or equipment damage. As a homeowner, if you’re thinking about installing a hot tub, or if you already have one in your backyard. This guide will walk you through the basics of hot tub electrical safety and why working with a licensed electrician is a must.
Why Hot Tub Electrical Safety Is So Important
It may sound obvious, but it’s worth repeating: electricity and water do not mix. Any issues in wiring, grounding, or circuit protection can quickly turn into a dangerous situation.
Some of the most common risks include:
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Electric shock, due to poor grounding or damaged parts.
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Tripping hazards, from improperly installed or exposed wiring
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Fire risks, from overloaded circuits or overheated wires
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Insurance and legal issues, from unpermitted or code-violating setups
While it may be cheaper and more convenient to take shortcuts while installing your hot tub, these shortcuts are never worth the risk. Even a small installation error can have serious consequences.
Common Hot Tub Electrical Hazards
As electricians, we’ve seen our fair share of risky hot tub setups. Here are some things to watch out for:
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No GFCI protection: A Ground Fault Circuit Interrupter (GFCI) cuts off power instantly if it detects a fault. Without one, you’re at serious risk of shock.
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Extension cords: These are not designed to power hot tubs. They’re temporary solutions and unsafe for high-voltage, wet environments.
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Improperly grounded or bonded systems: If your spa isn’t grounded correctly, it can result in stray voltage, an invisible but very dangerous threat.
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Exposed, cracked, or weather-damaged wiring: Outdoor conditions take a toll on wires. Over time, UV rays, snow, and moisture can lead to breakdowns.
If you notice any of these issues, it’s best to reach out to an electrical professional sooner rather than later.
What the Canadian Electrical Code Requires
In Canada, if you want to install a hot tub, you must ensure that the installation meets the requirements set by the Canadian Electrical Code (CEC).
Here are some of the key requirements:
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GFCI protection is mandatory for all hot tubs
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A disconnect switch must be installed within sight of the hot tub (at least 3 metres away)
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All metal parts in or near the hot tub must be both bonded and grounded
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All wiring must be rated for outdoor use, with proper conduit and weatherproof connections
Each province may have additional regulations that need to be considered, so it’s important to hire a licensed electrician who knows your local code requirements.
Why You Should Never DIY Hot Tub Wiring
Hot tubs typically require a dedicated 240V circuit and will draw a significant electrical load. This is not something that should be tackled with online tutorials and weekend tools.
What you can expect from a licensed electrician:
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Correct wire sizing for the hot tub’s voltage and amperage
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GFCI breaker installation in your electrical panel
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Weatherproof conduit and fittings for outdoor safety
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Full code compliance, including permits and inspections if needed
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Peace of mind knowing the job was done safely and legally
Improper installations are not only dangerous, but they are also a common reason why warranties get voided. Hiring a professional protects your investment and your family.
Ongoing Electrical Maintenance Tips
Having proper installation is not the only important thing when it comes to owning a hot tub. Ensuring that you get occasional checkups on your hot tub’s electrical system allows you to catch any issues before they become more serious. Here are a few easy maintenance tips to ensure things keep running smoothly:
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Test your GFCI monthly. You can do this by pressing the “test” button on the outlet or breaker
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Inspect visible wiring for damage, corrosion, or water intrusion
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Keep outdoor accessories to a minimum, and never overload nearby circuits
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Use only spa-rated lighting, speakers, or TVs, especially if mounted nearby
Hot tubs work hard, and so do the systems powering them. A little preventative care can go a long way.
Warning Signs You Shouldn’t Ignore
If you already own a hot tub, keep an eye (and ear) out for these signs of electrical trouble:
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Breakers that trip frequently
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Buzzing or humming sounds from your hot tub panel
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Flickering lights when the hot tub turns on
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Tingling sensation when you touch the water or metal components
The last one is an especially big red flag. This could mean there’s stray voltage in the water and that is a serious issue. If you identify this, turn off power immediately and call an electrician.
Bonus Safety Tips Before You Soak
Here are a few extra pointers to help you enjoy your hot tub safely:
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Keep all electrical cords and devices far away from the water
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Always supervise children in and around the hot tub
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Avoid using the hot tub during a lightning storm
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Install outdoor-rated lighting for nighttime use, regular lights aren’t safe for wet areas
A safe hot tub is a relaxing one, and a properly installed setup gives you peace of mind every time you take a dip.
Thinking About a New Hot Tub or Need an Inspection?
Whether you’re looking to install a new hot tub or just want to make sure your current setup is safe, we’re here to help.
Our team of licensed electricians specializes in hot tub wiring, inspections, and upgrades, all done to code, with safety and quality as top priority.
Contact our office at 365-886-1294 to schedule a hot tub electrical inspection or to book a free consultation. We’ll make sure everything is safe, secure, and ready for you to sit back and relax.
Expected Tenfold from Penfold!