Across
- 3. 6mm twin and earth is needed for ?KW shower
- 5. When cutting a pipe in to ensure bonding
- 8. Ring main branch
- 11. RDC + Circuit breaker
- 14. 230v to 110v
- 15. Amp rating for domestic lighting circuit
- 16. Size of earth bonding from water main to terminal block
- 17. Immersion heater flex rating
- 19. Live and neutral testing
- 21. Type of zones plumbers cant work in
- 22. 18th Edition
Down
- 1. Power divided by voltage
- 2. Current type
- 4. Cross bonding
- 6. Green and ? for continuity bonding.
- 7. The centre were wires meet.
- 9. RCD disconnects due to a ? fault.
- 10. Earth continuity lables should comply with?
- 12. Phase type to domestic properties
- 13. Holes in joists must be...
- 18. Number of tests to for safe isolation procedure
- 20. Electrical diagram symbols standard.