Should you Earth Bond a Suspended Ceiling Grid?

The use of earthing conductors and equipotential bonding is steeped in myth. Some electricians seem to bond almost everything just to be safe, but do they really need the extra precautions? We take a look at metal parts on suspended ceiling grid systems that are connected directly or indirectly to earth. What is the difference between exposed and extraneous conductive parts concerning suspended ceiling grids?

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