GFCI and AFCI: What Each One Is Actually Protecting
They look similar and they protect against completely different things. Which one belongs where, and why a nuisance trip is worth investigating.
They look similar and they protect against completely different things. Which one belongs where, and why a nuisance trip is worth investigating.
Knob-and-tube, cloth-insulated cable and aluminum branch wiring all turn up around here. What is genuinely urgent, what is manageable, and what a rewire really disrupts.
Most Level 2 installs are a load calculation with a charger at the end. What decides the price, what the panel has to support, and how long the work really takes.
Plenty of 100-amp services are fine. Some genuinely are not. The load calculation that decides it, and the signs worth taking seriously in an older Illinois house.
Overload, short circuit, or ground fault. Each one trips a breaker differently, and the pattern tells you which one you are dealing with before anybody opens the panel.
Five questions that separate a licensed contractor from somebody with a van, and what the answers should sound like.
Lighting is usually the largest electrical load in a small commercial building. What a retrofit realistically saves, and the part that decides whether it works.
Permitting is handled municipality by municipality around here, and plenty of work gets done without one. What the permit is really for, and when it matters most.
Retrofitting LED into fittings designed for incandescent introduces its own problems. What causes the flicker and the buzz, and what actually fixes it.
People shop for the generator and inherit the transfer switch. It is the component that decides whether backup power works safely, and it is the one worth understanding first.