Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
Gain access to mains terminal (Use Insulation Mat as required)
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Using either a socket and see or multimeter re confirm the polarity
on the incoming mains supply to the appliance.
Is the polarity correct?
on the incoming mains supply to the appliance.
Is the polarity correct?
