14. According IEE Regulation 411.
19.2. overload current
d. fault protection
b.
18. current which exceeds the rated current otherwise healthy
circuit one definition of:
a. 230V supply
b. consumer unit. List the four factors which the selection protective device
depends. 5. 0. unlimited. The weakest link the circuit designed melt when overcurrent
flows one definition of:
a.4s
c.3. fuse
d.11. overcurrent
c. short-circuit current. circuit protective conductor
c. ensure the effective operation the overcurrent protective devices,
the earth fault loop path must have:
a.
15.
17. fault protection
b. Briefly describe the action fuse under fault conditions. 0. Briefly explain why electrical installation needs protective devices.0s
d. fuses MCBs the live conductor
d.2 all final circuits not exceeding
32A building supplied with 230V supply shall have a
maximum disconnection time not exceeding:
a.2s
b. very high resistance. State the meaning ‘discrimination’ applied circuit protective
devices.
13. very low resistance
c.
16.
12. List the five essential requirements for device designed protect
against overcurrent.
