Across
- 3. type of circuit supplying a consumer unit from another consumer unit
- 4. the combined resistance and reactance in the circuit's earth fault path
- 7. type of circuit supplying loads
- 10. provides protection for users from contact with conductors or conductive parts
- 11. the booklet which is used with BS7671 to provide guidance to electricians
- 13. device with ability to protect against faults like a circuit breaker and an RCD
- 15. supply type for domestic installations
- 17. conductive part installed in the ground and used to provide an earth for a TT system
- 18. unit of measure used for Insulation Resistance measurements
Down
- 1. test used to check the CPC is connected to exposed conductive parts
- 2. books which accompany the wiring regulations and the onsite guide
- 5. the unit of measure for resistance in a conductor
- 6. the physical condition of having electric current passing through a person's body
- 8. connection of exposed and extraneous conductive parts to maintain the same potential
- 9. unit used for rating of residual current of an RCD or RCBO
- 12. supply type for large installations
- 14. the vslue of current which could possibly flow between live conductors in an installation
- 16. test used to check that all protective devices and single pole switches are in the line conductor
- 17. provides a path for fault current to flow