Physics
Answer
Before connecting the cable from pole to the meter in a house, first a fuse of high rating is connected in the live wire at the pole (or just before the meter). This fuse is called the pole fuse or company fuse.
The rating of fuse depends on the load for which the connection is taken from the company (e.g., rating is 50 A for connection of load 10kW).
Related Questions
In the transmission of power the voltage of power generated at the generating station is stepped up from 11 kV to 132 kV before it is transmitted. Why ?
State one advantage of using the main switch in house wiring.
(a) Name the three connecting wires used in a household circuit.
(b) Which of the two wires mentioned in part (a) are at the same potential?
(c) In which of the wire stated in part (a) the switch is connected?
State the function of each of the following in a house circuiting —
(a) kWh meter, (b) main fuse, and (c) main switch