---
title: Grounding and Bonding for Electrical Systems
…367 unchanged lines
- "250 kcmil"
- "350 kcmil"
−default: "Per NEC Table 250.66 — see drawings"
+default: deferred
```
…42 unchanged lines
label: Equipment Grounding Conductor Type
type: radio
+drawing_ref: true
options:
- "Insulated or covered copper conductor in every raceway and cable"
- "Metallic raceway serving as the equipment grounding conductor"
− - "Combination per circuit (see drawings)"
default: "Insulated or covered copper conductor in every raceway and cable"
```
…564 unchanged lines
## Where the achieved ground resistance is marginal relative to the acceptance criterion, the Engineer may require a re-test during the warranty period to confirm that seasonal soil changes have not raised the resistance above the acceptance value.