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.
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