engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Electrician and Wireman Power Systems Earthing
The standard size of GI earthing plate for plate earthing is _________.
1
30 cm × 30 cm × 1.3 mm
2
60 cm × 60 cm × 6.35 mm
3
40 cm × 40 cm × 8.5 mm
4
80 cm × 80 cm × 2.18 mm