Exp-1 : To measure the AC mains supply at 3/5 pins main socket.

 Exp-1 : To measure the AC mains supply at 3/5 pins main socket.

Objective : 

                To measure the AC mains supply at 3/5 pins main socket.

Apparatus required:

  • AC Main supply.
  • Extension board with a 3/5 pins socket.
  • Multimeter with connecting wires.

Procedure:

  1.  As shown in the fig, the thrhee pins as Line(L), Neutral(N), and Earth(E) were identified and marked on the extension board.
  2. Connected extension board plug to AC mains supply.
  3. Connected the connecting wires to the multimeter and set its range to AC 250V.




      4. On the extension board, the connecting wires from multimeter were inserted into two pins of the             socket as mentioned   below.

  • Line and Earth
  • Line and Neutral
  • Neutral and Earth.

    5. For each of the above pairs, Voltage supply was measured.


Result:

  1. Line and Earth : 240 Volts
  2. Line and Neutral : 240 Volts
  3. Neutral and Earh : 0 Volts

Here The line (L) pin is also know as Phase (P)


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