Grounding & Bonding — Checklist

Service / Panel

Grounding electrode conductor (#6 Cu) to 2 ground rods (≥6′ apart) with listed acorn clamps
Bonding jumper(s) as required; bond metal water piping if present
Intersystem bonding termination installed near service
Neutral isolated downstream of service disconnect; equipment grounds bonded to enclosure

EMT System

EMT set-screw fittings tight; bushings at sharp edges; continuity verified
Each 4″ square box: green ground screw + #12 Cu pigtail to device yoke
Straps every ~8 ft and within 3 ft of boxes/terminations

Rack / Datacenter

Rack bonded to building grounding (listed bonding kit or #6 Cu)
UPS and ePDU equipment grounds verified; cord caps match receptacle type
Supplemental #6 Cu to building steel or ground bar when available
Labeling: panel directory, circuit labels at receptacles, date stickers

Confirm with licensed electrician and AHJ before energizing.