Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Remove fuse from fused spur
Measurement:
Measure resistance of the fuse.
Refit fuse after test.
Refit fuse after test.
RESISTANCE FUSE F1 (FUSED SPUR)
Isolate as per TOPs P4
and refit as necessary