• telephone wires carry low voltage.
    …until they ring.
  • always trip the circuit breaker before you open up a wall mounting plate. it might be a harmless thing you are about to do … but you may also be a dumbass.
  • when the manufacturer of a lighting fixture recommends a replacement halogen bulb of no more than N watts, it is not a good idea to replace it with an N+150 watt bulb.
  • “do it yourself” is an excellent way to blow shit up.