Set Appliance State:
Mains Power Off
Use Insulation Mat as required
ON/OFF Switch in ON Position
ON/OFF Switch in ON Position
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Measure Voltage across terminal marked 3 and terminal marked N on the Main Switchboard terminal strip.

Isolate as per TOPs P4
and refit as necessary