Specifications of Earth Wire and Earth Plate

Specifications of Earth Wire and Earth Plate Points : specifications of earth wire and earth plate, (i) Specifications of Copper Earth Plate: 60 cm x 60 cm x 3mm high conductivity copper plate fitted with copper lug. bolt, nut and washer. The finished plate shall have reasonably clean and smooth surface, free from scratches. porosity, black oxide and any other defect.

(ii) Specifications of GI Earth Plate: 60 cm x 6 mm GI plate fitted with a GI lug bolt, nut and washer. The finished plate shall have reasonably clean and smooth surface free from scratches, porosity and other defect.

(iii,) Earth, Wire For 50 HP Motor No 2 SWG; hard drawn bare copper (HDBC) wire.

(iv) Earth Wire For 100 HP Motor: No 2 SWG, hard drawn bare copper (HDBC) wire or copper strip of 13 mm x 2.5 mm size.