014 Online Practice questions 2

What is the correct sequence when following the safe isolation procedure?

1 Lock off and secure key

2 Seek permission from client

3 Test for dead

4 Prove voltage indicators on known source

• 2-4-1-3

• 1-2-3-4

• 2-1-4-3

• 4-1-2-3

What would be the most appropriate method to isolate a lighting circuit prior to fault finding?

• Remove DNO fuse

• Turn off a light switch

• Remove BS 1362 fuse from FCU

• Lock off CB

Which method would provide local isolation to a 5kW three-phase motor?

• Lock off main switch at DB

• Lock off CB at DB

• Remove BS 88-2 fuse from DNO supply

• Lock off Motor Isolator

Turning off a dimmer switch is an acceptable means of isolating a light prior to fault finding?

• True

• False

Removing a fuse is an acceptable means of isolating a circuit prior to fault finding?

• True

• False