Go with the flow

123456789
Across
  1. 1. It stops the circuit if there is too much flow
  2. 5. This dude made tons of inventions
  3. 8. Two lines that never meet
  4. 9. When powered it can pick up metal items
Down
  1. 2. You can make it
  2. 3. A thing that spins
  3. 4. It stops electricity
  4. 6. It connect most of the circuit
  5. 7. You can't use electricity without it