Before you start the safe isolation procedure you should

• seek permission

• seek admission

• turn off all breakers

• prove yourself

what is the first step in safe isolation?

• have a cup of tea

• test the circuit

• identify the circuit

• use a proving unit

what should you do before turning off the main isolator?

• turn off all the MCB's to power down the board

• pray

• turn all the lights in the house on

• use a proving unit

what do you use to confirm the power is off?

• A proving unit

• A low resistance ohm meter

• a volt stick

• An approved voltage indicator

how can you check your voltage indicator is working properly?

• use a proving unit

• test it with another voltage indicator

• you don't need to

• a low resistance ohm meter

what is the name of the HSE guidance on voltage testers?

• HS2

• BS7671

• GS38

• HSE 63

what is the correct order for testing between conductors?

• L-E, N-E, N-L

• L-N, L-E, N-E

• L-L, N-N, E-E

• Bonding - CPC

how can we make sure no one can turn on a circuit we are working on?

• Use a lock off kit and a sign

• don't worry about it

• hope

• disconnect all the circuits

And where is the key?

• on top of the CCU

• In the boss's pocket

• in the van

• in your pocket