Across
- 4. Main service box containing fuses or breakers.
- 5. A complete path for electrical current to flow.
- 6. Tubing that protects and routes electrical wiring.
- 7. Device used to measure voltage, current, and resistance.
Down
- 1. Safety device that trips when current is too high.
- 2. Outlet where devices can be plugged in.
- 3. Path for excess current to safely return to earth.
- 4. Device that opens or closes a circuit.