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Class II test (PAT150) using mains voltage leakage @ 230 V ac
Mains powered testing of equipment without an Earth return conductor
i) P1 ii) iii)
a
b
c
Insulation test @ 500 V
OR
Insulation test @250 V
>2 s
iv) Ensure probe (P1) is connected v) See note 1 below vi) Warning: Appliance will operate! vii) Class II Passed
If the L to N short circuit symbol shows,
user must check whether there is a true
short circuit. Press Class II button to
proceed but there is a risk of damage or
tripping of protective devices.
NOTE : High touch leakage measurement on faulty equipment can trip the supply RCD
Warning: High inertia appliances (eg angle grinders) may present a hazard whilst running. It is recommended that where a hazard is likely, the battery powered "Substitute leakage" test
is used, which will not operate the appliance.
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