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Rockwell Automation Publication 8720MC-RM001K-EN-P - September 2018
Chapter 2
Plan and Mount the 8720MC-RPS Installation
These illustrations show details of recommended bonding practices for painted
panels, enclosures, and mounting brackets.
Figure 4 - Recommended Bonding Practices for Painted Panels
Stud-mounting the Subpanel
to the Enclosure Back Wall
Stud-mounting a Ground Bus
or Chassis to the Subpanel
Subpanel
Welded Stud
Scrape Paint
Flat Washer
If the mounting bracket is coated with
a non-conductive material (anodized
or painted), scrape the material around
the mounting hole.
Star Washer
Nut
Nut
Flat Washer
Mounting Bracket or
Ground Bus
Use a wire brush to remove paint from
threads to maximize ground connection.
Back Wall of
Enclosure
Welded Stud
Subpanel
Star Washer
Use plated panels or scrape paint on
front of panel.
Subpanel
Nut
Nut
Star Washer
Flat Washer
Star Washer
Star Washer
Scrape paint on both sides of
panel and use star washers.
Tapped Hole
Bolt
Flat Washer
Ground Bus or
Mounting Bracket
If the mounting bracket is coated with
a non-conductive material (anodized
or painted), scrape the material around
the mounting hole.
Bolt-mounting a Ground Bus or Chassis to the Back-panel