Megger SG32-1500M, User Manual

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SG32-UG-EN-V01 Dec 2016
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4
PREPARING FOR TEST
IMPORTANT SAFETY WARNINGS
F
WARNING
The HV Return
cannot be used as a substitute unit safety ground.
Failure to follow this procedure can result in serious injury or in the
extreme, death of the operator and/or the destruction of the
equipment.
F
WARNING
The operator is isolated from transient voltages along the surge
return by the insulation system in the SG unit and by the shielded
insulated jacket of the high voltage output cable. Tears or breaks in
the insula- ting jacket of the High-Voltage output cable expose the
HV Return (Concentric Neutral, Metallic shield) to the operator and
pose a safety hazard and the cable should be replaced.
F
WARNING
DO NOT EXTEND the HV Return lead of the HV Output Cable
because this introduces excessive impedance in the HV Return and
could result in being exposed to hazardous voltages.
Site Preparation
Choose a location that meets the following conditions:

The vehicle (if used) can be safely parked. Set the brakes or block the wheels.

The location is as dry as possible.
 There is no flammable material stored in the vicinity.
 The test area is adequately ventilated.
 Both the High-Voltage conductor and the Shield of the Cable Specimen are
accessible. Be sure all equipment is de-energized. Identify the faulted cable,