WRITTEN INTERVIEW FOR ELECTRICIANS LICENCE CLASS C-1

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WRITTEN INTERVIEW FOR ELECTRICIANS LICENCE CLASS C-1 QUESTION 1 (a) Define the following terms; i. Earth electrode (2 Marks) ……………………………………………………………... ………………………………… ……………………………………………………………………………………………… ……………………………………………………………………………………………… …………………………………………………………………………………… ii. Residual current device (2 Marks) …………………………………………………………………………………………… …………………………………………………………………………………………… …………………………………………………………………………………………… ………………………………………………………………………………… iii. Ring final circuit (2 Marks) ……………………………………………………………………………………………… ……………………………………………………………………………………………… ……………………………………………………………………………………………… …………………………………………………………………………………… (b) State three objectives of earthing and bonding. (3 Marks) ………………………………………………………………………………………………..… …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………… c) Describe two types of cable containment systems giving at least 3 examples of each (8 Marks) …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………………………………………………… ………………………………………………………………………… QUESTION 2 Discuss a typical wiring scheme for internal electrical installation for a 4 storey office complex and explain how the installation will be protected and tested before connection to supply. (20Marks) …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………………………………………………… …………………………………………………………………… [Show More]

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