Grounding - Graco 24L096 Instructions Manual

Installation

Grounding

Grounding Grounding
The equipment must be grounded to reduce the
risk of static sparking and electric shock. Electric
or static sparking can cause fumes to ignite or
explode. Improper grounding can cause electric
shock. Grounding provides an escape wire for the
electric current.
Non-
Hazardous
Area
Hazardous
Area
Power Supply Located in Non-Hazardous Area
A A A DCM or ADCM
B B B
Power Supply and Barrier
Power cable CANNOT have cable shield tied to coupling nut. 500 VAC isolation is required.
The power cable and circuit board are isolated from the DCM/ADCM enclosure. They have
conductive paths to SEPARATE
Power cable CAN have cable shield tied to coupling nut. Power cable coupling nut and
DCM/ADCM have conductive path to COMMON
8
The DCM and ADCM are used in a variety of
systems, with varying grounding requirements.
Follow all instructions in your system manual.
KEY
KEY KEY
SEPARATE grounds SEPARATE grounds. grounds
COMMON ground
COMMON
Power Supply Located in Hazardous Area
ground.
ground
Non-
Hazardous
Area
Hazardous
Area
332013E