Parr Instrument 6755 - Manual (Page 4)

Preface
P a r r I n s t r u m e n t C o m p a n y 2
Explanation of Symbols
I On Position
O Off Position
~ Alternating Current
This CAUTION symbol may be present on the Product Instrumentation
and literature. If present on the product, the user must consult the ap-
propriate part of the accompanying product literature for more infor-
mation.
ATTENTION, Electrostatic Discharge (ESD) hazards. Observe precau-
tions for handling electrostatic sensitive devices.
Protective Earth (PE) terminal. Provided for connection of the protec-
tive earth (green or green/yellow) supply system conductor.
Chassis Ground. Identifi es a connection to the chassis or frame of the
equipment shall be bonded to Protective Earth at the source of supply
in accordance with national and local electrical code requirements.
Earth Ground. Functional earth connection. This connection shall be
bonded to Protective earth at the source of supply in accordance with
national and local electrical code requirements.