Electrical · E-MB5HF

Cable Tray Grounding and Bonding Detail

Materials

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A wire mesh cable tray is suspended from a trapeze hanger, which is built from structural steel or another approved support. A continuous strand of number six minimum stranded ground conductor runs along the assembly. A wire mesh cable tray grounding lug is secured to the outside of the cable tray, utilizing one grounding lug per segment of cable tray. A number six minimum copper bonding jumper connects to the grounding lug via a compression connector. Adjacent EMT conduits are fitted with insulated grounding and bonding bushings, maintaining a maximum distance of twelve inches.

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