MDN Electricand General Repair

Field notes from northern BC

Troubleshooting Case Studies

residential
Outlet Dead but the Breaker Isn't Tripped? Tracing a Live Junction Box Buried Behind Drywall

A dead basement receptacle with no tripped breaker led to live wires sealed inside a wall. How a circuit tracer found the buried box without tearing up drywall.

residential
A Breaker That Kept Tripping, Then Total Silence: Post-Mortem of a Melted Receptacle

Multiple rooms dead, no tripped breaker, a history of nuisance trips. Tracing the fault to a melted daisy-chained receptacle — and why pigtailing is the fix.

residential
New Baseboard Heaters Won't Lower Your Hydro Bill: The Physics of Resistance Heat

Every electric resistance heater is 100% efficient — a 2026 baseboard heats exactly like a 1985 one. Where heating money actually goes, and what's worth upgrading.

residential
The Breaker Is Off but the Circuit Is Still Live: Mapping an Accidental Parallel Cross-Tie

Turning off the breaker didn't kill the lights — two same-phase circuits were bridged in a hidden box. The total-zero panel method that finds the illegal tie fast.

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