Technical Guidelines for Cable Tray Installation and
Use dedicated splice plates and bolts. Ensure firm electrical continuity through grounding jumpers at each connection point. Sharp edges or foreign debris inside
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It is not necessary to install bonding jumpers in parallel with the standard rigid aluminum or steel one-piece metallic bolted side rail splice plates that are the connections between the cable tray sections. Here, the use of bonding jumpers does not make a safety contribution to a properly. Standard splice plates can often provide a safe electrical path if they are UL Classified and bolted tight.
