According to NEC minimum 2,5m electrode must be in contact with ground.
| No | Equipments | Earth Strip Size |
| 1 | HT switchgear, structures, cable trays & fence, rails, gate and steel column | 55 X 6 mm (GI) |
| 2 | Lighting Arrestor | 25 X 3 mm (Copper) |
| 3 | PLC Panel | 25 X 3 mm (Copper) |
| 4 | DG & Transformer Neutral | 50X6 mm (Copper) |
| 5 | Transformer Body | 50X6 mm (GI) |
| 6 | Control & Relay Panel | 25 X 6 mm (GI) |
| 7 | Lighting Panel & Local Panel | 25 X 6 mm (GI) |
| 8 | Distribution Board | 25 X 6 mm (GI) |
| 9 | Motor up to 5.5 kw | 4 mm2 (GI) |
| 10 | Motor 5.5 kw to 55 kw | 25 X 6 mm (GI) |
| 11 | Motor 22 kw to 55 kw | 40 X 6 mm (GI) |
| 12 | Motor Above 55 kw | 55 X 6 mm (GI) |
