CAT III
600 V
CAT II
Note-Important safety information, refer to the
instruction manual.
Earth (ground) TERMINAL
Caution, possibility of electric shock
Equipment protected throughout by double
insulation or reinforced insulation.
Application around and removal from UNINSULATED
HAZARDOUS LIVE conductors is permitted.
Direct current
Alternating current
CAT III: MEASUREMENT CATEGORY III is applicable to
test and measuring circuits connected to the distribution
part of the building's low-voltage MAINS installation.
CAT II: MEASUREMENT CATEGORY II is applicable to
test and measuring circuits connected directly to utilization
points (socket outlets and similar points) of the low-voltage
MAINS installation.
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