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Procedure 3-9 (continued)
Connecting the earth ground to the cabinet
Step
5
6
7
8
9
10
Action
Connect the earth ground wires (2 AWG solid bare tinned copper) from the
ground ring to the ground bar (see
Note: The ground-to-earth resistance must be less than or equal to
25 Ohms.
Reinstall the front base cover of the SPC and termination compartment by
attaching it with the two 1/4 in. tamper-proof screws.
Install the bulb-seal gasket around the SPC and termination compartment
door as follows:
a. Locate the bulb-seal gasket previously secured in the cabinet.
b. Install each of the two ends of the bulb-seal gasket around the edge of
the front cover plate.
Note: Start at the lower corners when you install the gasket.
c. Join the two ends of the bulb-seal gasket together to form a continuous
seal.
Note: At the edge of the cover plate at the butt joint.
Open the AC compartment door.
Install a 2 AWG solid tinned copper wire from the AC compartment ground
bar to the ground ring.
Note: Add this bonding wire when the power pedestal ground is installed at
a distance greater than 5 ft away from the cabinet.
Continue the cabinet installation process (see
surge arrestor").
—end—
Installation guidelines 3-29
Figure 3-5
and
Figure
Procedure
User Guide
Rel 1.0 Standard May 1999
3-20).
3-10, "Installing the
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