EAL QELTK3/007: Diagnosing & correcting electrical faults

Which of the following is correct regarding safe isolation and investigating an electrical fault?

• begin investigation, verify circuit is dead, isolate and lock off, re-check voltage device

• obtain permission, check voltage device, verify circuit is dead, isolate and lock off, re-check voltage device, begin investigation

• begin work, lock off, verify circuit is dead, re-check voltage device, begin investigation

• obtain permission, isolate and lock off, check voltage device, verify circuit is dead, re-check voltage device, begin investigation.

The very first action involved in carrying out safe isolation is to:

• test the circuit

• shut off, lock off then assess all hazards

• assess all hazards through a risk assessment

• carry out a full functional test.

When applying safe isolation protocols you:

• can work on live circuits

• can use the circuit identification as found

• need to correctly identify the circuit

• can use the mains to check test equipment

The HSE recommends which of the following in order to embrace safety?

• approved volt stick

• equipment listed and endorsed by BS 7671

• equipment listed and endorsed by GS38

• approved neon screwdriver.

The legislation that prohibits live working except in exceptional circumstances is:

• Provision and Use of Work Equipment Regulations (1992)

• Personal Protective Equipment Regulations (1992)

• BS 7671 Requirements for Electrical Installations

• Electricity at Work Regulations (1989).

Whilst carrying out fault diagnosis, a serious issue has come to light. Your actions should be to:

• leave the circuit as it is and go and inform the client in a clear and courteous manner

• ensure the circuit is safe then go and inform the client in a clear and courteous manner

• complete the investigation and then inform the client in a clear and courteous manner

• carry on with the investigation and then inform the client when you see them next

Keeping the customer abreast of development and any correction work in a clear, courteous and accurate manner:

• makes good business sense

• ensures that safety is maintained

• can boost your earnings

• justifies any extra expense

Which of the following will physically reduce the possibility of interference from unauthorized personnel?

• barriers

• polite notices

• secure locking devices

• multiple number of keys

Notices can only be effective if:

• they are well positioned

• they inform management only

• they are clear and accurate

• they are popular

When fault finding, which of the following apply to customer relations?

• the electrician needs to be flexible and sensitive regarding when supply can be isolated

• the electrician needs to be discourteous if they encounter a customer

• the electrician does not have to worry about the impact of noise

• the electrician does not have to worry about any damage incurred