Example: air traffic controller
GROUNDING AND BONDING FOR ELECTRICAL
Grounding systemconductors making up the grounding mat and associated ground risers, and/or for encasement in concrete shall be No. 4/0 AWG bare, stranded copper. Ground conductors for power distribution equipment,all end-use equipment and all branch circuits, shall be insulated stranded copper conductors, color coded greenor (a continuous)
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