engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electrician and Wireman Occupational Safety and Health
Which of the following safety rule is / are practiced by every electrician?
1
Do not work on live circuits; if unavoidable, use rubber gloves rubber mats, etc.
2
Do not meddle with interlocks of machines/switch gears
3
Replace or remove fuses only after switching off the circuit switches
4
All of the above