CITB Electrical Safety 2

Question 1

What is the purpose of Portable Appliance Testing (PAT)?

Accepted Answer

To verify that portable electrical equipment is safe to use

Answer

PAT testing checks that portable electrical equipment is safe to use and identifies faults before they can cause injury or fire.

Question 2

What colour label typically indicates that electrical equipment has passed a PAT test?

Accepted Answer

Green

Answer

A green label indicates the equipment has passed PAT testing and is safe to use; a red label means it has failed and must not be used.

Question 3

Underground cables must always be treated as live unless:

Accepted Answer

They have been isolated and proved dead by a competent person

Answer

Underground cables must be assumed live until a competent person has safely isolated the supply and proved the cables are dead using appropriate test equipment.

Question 4

What tool should be used to locate buried electrical cables before excavating?

Accepted Answer

A Cable Avoidance Tool (CAT)

Answer

A Cable Avoidance Tool (CAT), used with a signal generator (Genny), detects buried cables and pipes to reduce the risk of striking them during excavation.

Question 5

What should you do if you accidentally strike an underground cable during excavation?

Accepted Answer

Treat it as live, warn others, and contact emergency services and the cable owner

Answer

Striking an underground cable is an emergency — treat it as live, keep everyone away, and immediately call the emergency services and cable owner.

CITB HS&E Operatives Practice Test

CITB HS&E Operatives Practice Test

CITB Electrical Safety 2