3
PN: 81127
Rev 4, 6/2017
SAFETY PRECAUTIONS
WARNING:
VOLTAGES GENERATED BY THIS INSTRUMENT CAN BE
HAZARDOUS
This instrument has been designed for operator safety; however, no design can completely protect
against incorrect use. Electrical circuits are dangerous and can be lethal when lack of caution and
poor safety practices are used. There are several standard safety precautions that should be
taken by the operator. Where applicable, IEC safety markings have been placed on the
instrument to notify the operator to refer to the user manual for instructions on correct use or
safety related topics. Refer to the following table of symbols and definitions.
Symbol
Description
Direct Current
Alternating Current
Both direct and alternating current
Earth (ground) Terminal. There is a common chassis ground terminal
located on the front panel (see Front panel under Description of Controls).
Protective Conductor Terminal
Frame or Chassis Terminal
On (Supply)
Off (Supply)
Caution, risk of electric shock
Caution (refer to accompanying documents)
WARNING: Under no circumstances should the operator or technician attempt to open or
service any Megger instrument while connected to a power source. Lethal voltages are present
and may cause serious injury or death!