Across
- 6. apolvinyl chloride protective enclosure for cable
- 7. a cable used to transmit digital pulses of light
- 10. sockets are noramally wired this way
- 11. regulations taht have been passed by Parliament
- 13. conduit that has strong mechanical properties
- 15. the size of the MCB for a lighting circuit
- 16. cable can be clipped or tied to this
Down
- 1. a simplified diagram showing the sequence of control
- 2. a rectangular casing for cables
- 3. a TT system uses this has its earth electrode
- 4. cable used for domestic situations
- 5. a simplified diagram of a physical layout of a circuit
- 8. cables widely used for lighting and power installations
- 9. 110v plugs are this colour
- 12. this lighting system is used for upstairs and downstairs
- 14. a cable that can withstand very high temperture
- 16. an earthing system in which the neutral and earth are combined