Residential
100-Amp or 200-Amp? When a Cambridge Home Needs a Panel Upgrade
Signs your panel or service is too small, how a service upgrade works with ESA and your utility, and when load management means you can skip one.
Electrical Tips & Guides
Plain answers to the questions we hear most from homeowners and businesses in Cambridge, Waterloo Region and across Ontario.
Guides
Do You Need an ESA Permit? A Homeowner's Guide to Electrical Work in Ontario
When Ontario electrical work needs an ESA notification, who may legally do it, how to check a contractor's licence, and what the inspection means.
Commercial
EV Charging for Workplaces, Retail and Multi-Unit Buildings
Planning EV chargers for a business lot, condo or fleet in Ontario: spare capacity, load management, Level 2 vs DC fast, billing, permits and condo rules.
Residential
Hot Tub and Swim Spa Wiring: What Ontario Homeowners Should Know
Planning a hot tub or swim spa? What to sort out before delivery: circuit size, GFCI, the disconnect, placement, bonding, panel capacity and ESA permits.
Residential
Installing a Level 2 EV Charger at Home in Ontario: What to Expect
Level 1 vs Level 2, panel capacity, hardwired vs plug-in units and the ESA permit: what to expect when you add an EV charger at home in Ontario.
Residential
Knob and Tube Wiring in Older Waterloo Region Homes
What knob and tube wiring is, how to spot it without touching it, what ESA says about safety and insurance, and what rewiring an older home involves.
Commercial
LED Lighting Retrofits for Offices, Shops and Warehouses
How LED retrofits work for Ontario businesses: tube types, new fixtures, sensors, high bays, ESA rules and Save on Energy incentives.
Residential
Planning the Electrical for a Basement Renovation
Finishing a basement? Plan the electrical before drywall: ESA rough-in, lighting, outlets, GFCI and AFCI, smoke and CO alarms, panel capacity and suites.
Residential
Two-Prong Outlets and Ungrounded Circuits: Your Safe Options
Why adapters and ungrounded three-prong swaps are a problem, and the options ESA recognises for two-prong outlets in older Ontario homes.
Emergency
What to Do in an Electrical Emergency at Home or Work
Calm, practical steps for electrical emergencies in Ontario: downed lines, burning smells, tripping breakers, outages, floods and generators.
Residential
Essential Electrical Maintenance Tips for Homeowners in Kitchener-Waterloo
Simple electrical checks, signs of trouble and when to call a licensed electrician, for homeowners in Kitchener, Waterloo and Cambridge.
Guides
Trusted Electricians for Your Home and Business Needs in Ontario
Residential, commercial and emergency electrical services from Borealis Electric, a licensed contractor based in Cambridge, Ontario.
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Ready to Get Started? Contact us today for a free, no-obligation quote on your next electrical project.
Whether you need wiring, panel upgrades, or EV charger installations, we're here to help.
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