electrical - Why is the white wire hot in my switch box? - Home Improvement Stack Exchange

I have been replacing my light switches with zwave switches but some of them are wired a bit differently and am having some difficulty understanding them. This one is a single light switch to cont

wiring - Running neutral wire between two circuits - Home Improvement Stack Exchange

wiring - Why is one switch hot wire black and another white? - Home Improvement Stack Exchange

electrical - Black and white wires coming out of wall are both hot - Home Improvement Stack Exchange

wiring - Installing a smart switch timer - 8 wires in gang box? - Home Improvement Stack Exchange

Puzzling electrical problem with 9 wires in junction box - Home Improvement Stack Exchange

wiring - Wires are not color coded- need to find line/load/neutral/ground - Home Improvement Stack Exchange

ceiling - Why is a white electrical wire connected to 2 black wires? - Home Improvement Stack Exchange

electrical - Changing 3 way switch to a half 3-way switch half outlet, missing a neutral - Home Improvement Stack Exchange

electrical - How do I replace this switch if the black wire is looped around the screw? - Home Improvement Stack Exchange