control panel on whirlpool refrigerator

Fortunately, modern appliances can often tell you where it “hurts” by displaying preprogrammed diagnostic codes — so if your fridge is flashing a warning, don’t panic.

Lightswitch flicker with dimmers

A light delay may seem innocuous, but it can sometimes indicate a more serious electrical problem — or even a fire hazard. Telling the difference between an electrical danger and a switch that's just plain irritating requires pro knowledge.

Electric vehicle charging

Installing a super-fast Level 3 charger may seem like a no-brainer at first, but this speed comes at a significant cost. Here's what to know about upgrading your 220-volt EV charger.

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