Safe Isolation

why do we perform safe isolation

• To prevent electrocution

• To look good

• Because you need to boil the kettle

• To turn off supply

what guidance note covers test equipment

• BS 60898

• BS 7671

• GS38

• On site guide

How do you test a voltage indicator

• On the supply

• On a proving unit

• On a light bulb

• In water

where do you keep the key or fuse

• In your pocket

• On top of the consumer unit

• In the drawer

• In the lock

What do you do if the voltage indicator does not light up when using a proving unit

• Do work anyway

• Change voltage indicator and proving unit for one that works

• Use a lamp to see if power goes off

• Go home because you cant do the work