Symbols
Symbol
Colour:
Explanation:
Red
High voltage terminal: a terminal at
which a voltage, with respect to
another terminal or parts exists or
may be adjusted to 1000 V or
more. (High voltage > 1000 V).
Black/Yellow Live part shock risk of electric
shock.
Black/Yellow To preserve the instrument from
damage, the operator must refer to
an explanation in the instruction
manual.
White/Black
Protective earth (grounding)
terminal.
~
Black
Alternating current (placed on the
identification plate).
White/Green
On (supply - mains switch).
Off (supply - mains switch).