Auto Tech shop electrical safety

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Across
  1. 2. what is the last line of defense
  2. 4. what is the acronym for lock-out tag out
  3. 5. 120 to 220VAC or higher usually red and black wires
  4. 7. ________ and other chemicals may be ignited when used near an electrical circuit where arcing or conductor overheating occurs.
  5. 8. what does D/C stand for in electrical safety
Down
  1. 1. 0 volts usually a white wire
  2. 3. what is the acronym for the use of a fire extinguisher?
  3. 6. what does A/C stand for in electrical safety