Grounding & Bonding — Checklist
🖨️ PrintService / 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.