Grounding provisions are required for the mechanical design to eliminate the potential for ESD charging on floating metal. Any component members with surface areas greater than 20 cm2 shall have a grounding provision. Bolted fittings are acceptable as grounding provisions if the joint meets the electrical resistance requirement for bonding.
[Placeholder: make sure electrical spec deals with floating pins in connectors and cables. Maybe provide a link here if deemed necessary, since the issues are related.
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