Safety and Regulatory Information 2
E6198B Switch/Load Unit User Manual 2-5
Verify there are multiple and sufficient protective means (rated
for the voltages you are applying) to assure the operator will
NOT come into contact with any energized conductor even if
one of the protective means fails to work as intended. For
example, the inner side of a case, cabinet, door cover or panel
can be covered with an insulating material as well as routing the
test cables to the front panel connectors of the module through
non-conductive, flexible conduit such as that used in electrical
power distribution.
Safety Symbols and Regulatory Markings
Symbols and markings on the system, in manuals and on
instruments alert you to potential risks, provide information
about conditions, and comply with international regulations.
Table 2-2 defines the symbols and markings you may find in a
manual or on an instrument.
Table 2-2 Safety Symbols and Regulatory Markings
Safety symbols
Warning: risk of electric shock.
Caution: refer to accompanying documents.
Alternating current.
Both direct and alternating current.
Earth (ground) terminal
Protective earth (ground) terminal
Frame or chassis terminal
Terminal is at earth potential. Used for measurement and control circuits designed to be operated
with one terminal at earth potential.
Switch setting indicator. O = Off, | = On.
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