Across
- 3. An electric power source that flows in one direction only
- 5. Protection against short circuits
- 6. A clamping device that holds an attachment
- 7. The rotational speed of a motor or shaft, based on the number of times it rotates
Down
- 1. A circuit breaker designed to protect people from electrical shock and to protect equipment from damage
- 2. The common power supplied to most all wired devices
- 4. A small T-shaped steel piece used to open and close the chuck on power drills