White Card Working at Heights and Electrical

Question 1

What is the leading cause of fatalities in the Australian construction industry?

Accepted Answer

Falls from heights

Answer

Falls from heights are consistently one of the leading causes of death and serious injury in construction, which is why fall prevention is critical.

Question 2

What is the most effective way to control the risk of falls?

Accepted Answer

Eliminate the need to work at height, or use a solid edge-protection barrier

Answer

Following the hierarchy of control, the best options are to eliminate working at height or use passive fall prevention such as guardrails before relying on harnesses (a fall-arrest system).

Question 3

Before using a ladder, you should:

Accepted Answer

Check it for damage and set it at the correct angle on firm, level ground

Answer

Inspect the ladder for damage, place it on firm level ground at roughly a 4:1 angle, secure it, and never stand on the top rungs.

Question 4

Before working near electrical wiring or equipment, what should you assume?

Accepted Answer

That all wires are live and dangerous unless proven otherwise

Answer

Always treat electrical equipment and wiring as live and dangerous until it has been tested and confirmed de-energised by a competent person.

Question 5

What device helps protect against electric shock by quickly cutting power if a fault is detected?

Accepted Answer

A residual current device (RCD) or safety switch

Answer

An RCD (safety switch) detects current leaking to earth and cuts the power within milliseconds, greatly reducing the risk of fatal electric shock.

White Card Practice Test

White Card Practice Test

White Card Working at Heights and Electrical