40 Rockwell Automation Publication 2198-UM001M-EN-P - November 2022
Chapter 2 Plan the Kinetix 5500 Drive System Installation
Bonding Multiple Subpanels
Bonding multiple subpanels creates a common low impedance exit path for
the high frequency energy inside the cabinet. Subpanels that are not bonded
together do not necessarily share a common low impedance path. This
difference in impedance can affect networks and other devices that span
multiple panels:
• Bond the top and bottom of each subpanel to the cabinet by using
25.4 mm (1.0 in.) by 6.35 mm (0.25 in.) wire braid. As a rule, the wider and
shorter the braid is, the better the bond.
• Scrape the paint from around each fastener to maximize metal-to-metal
contact.
Figure 17 - Multiple Subpanels and Cabinet Recommendations
Wire Braid
25.4 mm (1.0 in.) by
6.35 mm (0.25 in.)
Paint removed
from cabinet.
Cabinet ground bus that
is bonded to the
subpanel.
Wire Braid
25.4 mm (1.0 in.) by
6.35 mm (0.25 in.)
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