Across
- 3. Used to connect and insulate wire ends
- 6. Tool for measuring electrical properties
- 7. Protective tubing for electrical wires
- 12. Device that changes voltage levels
- 16. Unit of electrical power
- 19. Measure of wire thickness
- 20. Protective conductor connected to earth
- 21. Breaker that prevents electrical fires
- 22. Amount of electrical current flow
- 23. list covers a range of topics related to residential wiring
- 24. Sacrificial device that protects against overcurrent
- 25. Unit of electrical pressure
- 28. White wire that completes the circuit
- 30. Another term for an electrical outlet
Down
- 1. Professional who installs and repairs wiring
- 2. Path for electrical current to flow
- 4. Material covering wires for safety
- 5. Where you plug in electrical devices
- 8. Switch that varies light intensity
- 9. Black or red wire carrying current
- 10. Electrical pressure measured in volts
- 11. Unit of electrical current
- 13. Device used to open or close a circuit
- 14. Central distribution point for electricity
- 15. Device that interrupts current in case of overload
- 17. Secondary distribution point for electricity
- 18. Box where multiple wires connect
- 20. Outlet that protects against ground faults
- 26. Type of switch for controlling lights from two locations
- 27. Proper orientation of hot and neutral wires
- 29. Common type of residential electrical cable