Warning signs, GFCIs, and real hazards to know.
A, B, and C are on the label, but only two of them carry a number. The one that doesn't is about whether the agent conducts electricity back to your hand.
7 min CKT 51 Safety · BeginnerThe wire nearest your gutters is your own service drop, and the coating on it is not insulation. What ten feet and twice-the-ladder-length are really for.
7 min CKT 45 Safety · BeginnerThe national dig-notification call is free and covers utility-owned lines. The circuit somebody ran out to the shed isn't on that list — and it's the one nearest your shovel.
7 min CKT 41 Safety · BeginnerWhere the pack sits, which charger it uses, and whether anyone is awake carry nearly all the risk — plus the UL numbers that mean it was tested.
7 min CKT 36 Safety · BeginnerThe two mistakes that turn a portable generator deadly have little to do with the storm: carbon monoxide, and backfeeding your home's wiring. How to run one safely.
7 min CKT 31 Safety · BeginnerWhy a heater belongs directly in the wall, never a power strip — and the three-foot rule of empty space that prevents most heating fires.
6 min CKT 05 Safety · BeginnerWhat a ground fault actually is, why bathrooms and kitchens require GFCI protection, and how to test one safely.
6 min CKT 06 Safety · ReferenceHow arc-fault detection differs from ground-fault protection, and why so many existing homes still lack it.
6 min CKT 07 Safety · BeginnerReading gauge and amperage ratings, safe placement, and why cords are a temporary solution, not permanent wiring.
6 min CKT 08 Safety · BeginnerWarm outlets, burning smells, repeat breaker trips, flickering lights, and buzzing — and why each means it's time to call a pro.
6 min CKT 23 Safety · BeginnerThey look identical on the shelf, but one diverts voltage spikes away from your electronics and the other passes them straight through — here's how to tell which one is on your floor right now.
7 min CKT 24 Safety · BeginnerThose stubborn slots in newer outlets are spring-loaded shutters that only open for two prongs at once — what they block, why codes commonly require them, and the straight push that makes plugs seat.
6 min