Overview
identify and select common types of protective devices explain its working principle State their application and uses. State the relevant regulations.
What you'll learn
- protective devices ( fuses, circuit breakers, voltage and current operated)
- Working principles and application of fuses and circuit breakers.
- Current rating of a fuse, fusing current and earthling.
- IEE regulations covering earthling and protective devices, voltages and current earth leakage circuit breakers.