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b. If required by local building codes, connect the earth ground wire to the green
screw in the fixture mount.
D. Replace the terminal block in the pendant mount and secure it with the previ-
ously loosened mounting screws.
E. To prevent galling and ease future maintenance, ensure that the fixture mount
threads are clean and lubricated. Thread the fixture clockwise into the fixture
mount and tighten it securely.
IV. MAINTENANCE
EXPLOSION HAZARD — Do not disconnect the equipment while the
circuit is live or unless the area is known to be free of ignitable concen-
trations.
EXPLOSION HAZARD — To prevent ignition of hazardous atmospheres,
disconnect the fixture from the supply circuit before opening.
SAFETY MESSAGE TO MAINTENANCE PERSONNEL
Listed below are some important safety instructions and precautions you should follow:
• Read and understand all instructions before operating this system.
• Any maintenance to the light system must be done with power turned off.
• Any maintenance to the light system must be performed by a trained electrician in
accordance with NEC Guidelines and local codes.
• Never alter the unit in any manner. Safety in hazardous locations may be endan-
gered if additional openings or other alterations are made in units specifically de-
signed for use in these locations.
• The nameplate, which may contain cautionary or other information of importance to
maintenance personnel, should NOT be obscured in any way. Ensure that the name-
plate remains readable when the housing's exterior is painted.
Failure to follow all safety precautions and instructions may result in property dam-
age, serious injury, or death.
A. Changing the lamp
To change the lamp:
1. Remove the glass dome assembly from the main casting by rotating the dome
counterclockwise.
EXPLOSION HAZARD — The effectiveness of the explosion-proof enclosure
must be maintained. Do not damage the dome or threads while disassembling
or reassembling unit. Lubricated joints exposed for long periods of time
WARNING
WARNING
WARNING
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