INDUSTRIAL WIRING PRACTICE - Quiz

1) What is the minimum distance in front of the switch board for industrial pannel board wiring?

2 M 1-5 M 1 M 0.5 M

2) What is the thickness of steel sheet using the covers of bus bar chamber?

1 mm 1.5 mm 2 mm 2.5 mm

3) Why the equipment are arranged in front side of the switch board in industrial wiring?

To avoid short circuit To operate easily To test the supply frequently To avoid personnal contacts during maintenance

4) What is the purpose of openings provided in bus bar chamber?

For cable entries For air circulation To release the heat To extend the busbar

5) Which material is used to make busbars?

Brass Galvanised iron Aluminium Bronze