What electrical upgrades should I prioritize during a bathroom renovation in New Brunswick?

During a bathroom renovation in New Brunswick, prioritize GFCI protection, dedicated circuits, proper ventilation wiring, and adequate lighting — these upgrades are code requirements that add safety and value.

Must-have electrical upgrades (CEC requirements):

GFCI-protected dedicated circuit: Every bathroom requires at least one dedicated 20-amp GFCI-protected circuit for the receptacle outlets. In older NB homes, bathrooms often share a circuit with the hallway or bedroom — this must be corrected during renovation

GFCI protection on ALL bathroom outlets: Every receptacle within 1.5 metres of a sink must be GFCI-protected. Best practice: GFCI-protect the entire bathroom circuit at the breaker panel

Exhaust fan on its own switch: The CEC requires mechanical ventilation in bathrooms. Wire the fan independently from the light — a timer switch is ideal, running the fan 15-20 minutes after you leave to clear moisture. This is critical in NB where winter humidity management prevents mould and ice dams

In-floor heat circuit (optional but popular in NB): Electric radiant floor heating requires its own dedicated circuit with GFCI protection. A typical 50 sq ft bathroom mat draws 5-6 amps on a 120V circuit. Popular upgrade in NB due to cold tile floors in winter — most homeowners who install it call it their best renovation decision

Recommended upgrades while walls are open:

Recessed LED lighting: Replace that single ceiling globe with 3-4 recessed LED lights for even, shadow-free illumination. Add a dimmer switch for nighttime use

Vanity lighting circuit: Dedicated circuit for vanity lights separate from the general lighting circuit. Allows different dimming and switching

Heated towel rack outlet: A dedicated receptacle behind or near the towel rack location. Runs on the bathroom circuit if capacity allows. Small luxury that NB homeowners love during cold months

USB outlet at the vanity: Combination outlet with built-in USB-A and USB-C charging ports. Convenient for electric toothbrushes, shavers, and phone charging

NB-specific considerations:

• Ventilation is critical: NB's humid summers and cold winters create severe moisture problems in poorly ventilated bathrooms. Specify a fan rated at minimum 80 CFM for a standard bathroom, 110+ CFM for bathrooms with a tub/shower combo. HVI-certified fans are quieter and more effective
• Electric baseboard heat: If your bathroom has baseboard heat, the renovation is a good time to replace it with in-floor heating. Frees up wall space and provides more comfortable heat
• Water-resistant boxes: All electrical boxes in wet areas (within the shower/tub zone) must be suitable for wet locations

Costs in New Brunswick:

• Basic bathroom electrical upgrade (GFCI, dedicated circuit, fan, lighting): $1,500-$3,000
• With in-floor heating and heated towel rack: $3,000-$5,000
• TSANB permit: $100-$200

Timing tip: Do ALL electrical rough-in before any tile, drywall, or finishing work. Moving wires after tile is installed costs 3-5x more than getting it right during rough-in. Give your electrician the exact layout of fixtures, outlets, and switches before the drywaller starts.

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Looking for experienced contractors? The New Brunswick Construction Network connects homeowners with qualified professionals:

• A+ Solar Solutions
• Blue Energy Ltd
• Lebco Electric Ltd
• Shawn's Electric
• Peterson Light and Power Pros

View all contractors →