"Pot" = transformer
"hot" = energized
"Shotgun" = insulated stick used to attach grounds
"Coming hot" = anytime you are about to energize some equipment
"Fuzzing the line" = the technique of holding an insulated stick up close to a high voltage line and listening for the static buzz to see if it's hot. Thankfully, not needed anymore with the advent of voltage detectors.
"door" = the fuse barrel of distribution line fuse. Also called a cut-out.
