McCann Electric
Electrical Know-How
Iowa Storm Season: Surge Protection and Backup Power
Derechos, ice storms, and summer thunderstorms all hit the same two weak points — the electronics in your house and the circuits you cannot live without.
August 12, 2026
Installing an EV Charger at Home: What It Actually Takes
Level 1 charging from a wall outlet works until it does not. Here is what goes into a proper Level 2 install, and what makes one job cost more than another.
July 29, 2026
Do You Need a 200-Amp Service Upgrade?
Most Des Moines homes built before the 1990s were wired for a very different set of appliances. Here is how to tell whether yours has run out of room.
July 8, 2026
Why Your Breaker Keeps Tripping (And When to Worry)
A breaker that trips is doing its job. A breaker that trips over and over is telling you something specific — here is how to read it.
June 10, 2026