Great Lakes GL840N12-2442-SS Installation Instructions Manual - Page 13

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PROTECTIVE GROUNDING

Protective grounding studs can be found in the top and bottom left
rear corners. Grounding jumper wires and copper bus bars for proper
grounding must be ordered separately.
WARNING: To avoid injury to persons or loss of life, ground each
enclosure individually to the dedicated branch circuit ground.
Connecting Main Protective Grounding Stud to the Dedicated
Branch Circuit Ground
Connect the dedicated branch circuit ground connector to the main
protective grounding stud located inside at the bottom rear of the
enclosure frame using a listed ring or closed-loop terminal.
Connecting Main Protective Grounding Stud to the Protective
Bonding Conductors
Connect the rear doors to the main protective grounding studs located
inside at the bottom and top rear of the enclosure chassis using a listed
ring or closed-loop terminal. Connect the front door to the grounding
stud located inside at the bottom front of the enclosure frame using a
listed ring or closed-loop terminal.
Parts Not Bonded to Protective Earthing Terminal
The following parts are not effectively bonded to the protective earthing
terminal: rails and front to back rail horizontals. If these parts need to
be bonded to the protective earthing terminal, do so in accordance with
Article 250 of the National Electric Code.
7
K
L
7
6
DETAIL K
6
5
1/4-20 Double
Grounding Studs
1/4-20 Double
Grounding Stud
M6 Ground
Stud
5
4
PRO
Prot
alon
elec
the e
4
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