https://www.borealiselectric.ca/blog Electrical tips and guides for Ontario homes and businesses from Borealis Electric, Cambridge. en-ca https://www.borealiselectric.ca/post/electrical-panel-upgrade-100-amp-vs-200-amp-cambridge https://www.borealiselectric.ca/post/electrical-panel-upgrade-100-amp-vs-200-amp-cambridge Mon, 26 Oct 2026 00:00:00 GMT Residential 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. https://www.borealiselectric.ca/post/esa-permits-ontario-electrical-work-homeowners-guide https://www.borealiselectric.ca/post/esa-permits-ontario-electrical-work-homeowners-guide Mon, 26 Oct 2026 00:00:00 GMT Guides 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. https://www.borealiselectric.ca/post/commercial-ev-charging-stations-workplaces-multi-unit-buildings https://www.borealiselectric.ca/post/commercial-ev-charging-stations-workplaces-multi-unit-buildings Mon, 26 Oct 2026 00:00:00 GMT Commercial 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. https://www.borealiselectric.ca/post/hot-tub-swim-spa-electrical-requirements-ontario https://www.borealiselectric.ca/post/hot-tub-swim-spa-electrical-requirements-ontario Mon, 26 Oct 2026 00:00:00 GMT Residential 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. https://www.borealiselectric.ca/post/level-2-ev-charger-installation-home-ontario https://www.borealiselectric.ca/post/level-2-ev-charger-installation-home-ontario Mon, 26 Oct 2026 00:00:00 GMT Residential 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. https://www.borealiselectric.ca/post/knob-and-tube-wiring-older-homes-waterloo-region https://www.borealiselectric.ca/post/knob-and-tube-wiring-older-homes-waterloo-region Mon, 26 Oct 2026 00:00:00 GMT Residential 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. https://www.borealiselectric.ca/post/commercial-led-lighting-retrofit-guide https://www.borealiselectric.ca/post/commercial-led-lighting-retrofit-guide Mon, 26 Oct 2026 00:00:00 GMT Commercial How LED retrofits work for Ontario businesses: tube types, new fixtures, sensors, high bays, ESA rules and Save on Energy incentives. https://www.borealiselectric.ca/post/basement-renovation-electrical-planning-guide https://www.borealiselectric.ca/post/basement-renovation-electrical-planning-guide Mon, 26 Oct 2026 00:00:00 GMT Residential Finishing a basement? Plan the electrical before drywall: ESA rough-in, lighting, outlets, GFCI and AFCI, smoke and CO alarms, panel capacity and suites. https://www.borealiselectric.ca/post/two-prong-outlets-ungrounded-circuits-options https://www.borealiselectric.ca/post/two-prong-outlets-ungrounded-circuits-options Mon, 26 Oct 2026 00:00:00 GMT Residential Why adapters and ungrounded three-prong swaps are a problem, and the options ESA recognises for two-prong outlets in older Ontario homes. https://www.borealiselectric.ca/post/what-to-do-in-an-electrical-emergency https://www.borealiselectric.ca/post/what-to-do-in-an-electrical-emergency Mon, 26 Oct 2026 00:00:00 GMT Emergency Calm, practical steps for electrical emergencies in Ontario: downed lines, burning smells, tripping breakers, outages, floods and generators. https://www.borealiselectric.ca/post/essential-electrical-maintenance-tips-for-homeowners-in-kitchener-waterloo https://www.borealiselectric.ca/post/essential-electrical-maintenance-tips-for-homeowners-in-kitchener-waterloo Tue, 04 Nov 2025 00:00:00 GMT Residential Simple electrical checks, signs of trouble and when to call a licensed electrician, for homeowners in Kitchener, Waterloo and Cambridge. https://www.borealiselectric.ca/post/trusted-electricians-for-your-home-and-business-needs-in-ontario https://www.borealiselectric.ca/post/trusted-electricians-for-your-home-and-business-needs-in-ontario Tue, 04 Nov 2025 00:00:00 GMT Guides Residential, commercial and emergency electrical services from Borealis Electric, a licensed contractor based in Cambridge, Ontario.