309A Electrical Safety and Personal Protective Equipment 3

Question 1

What is the safe approach distance for a qualified electrician to work near 600V energized conductors without wearing appropriate PPE?

Accepted Answer

There is no safe approach distance without appropriate PPE

Answer

300 mm from exposed energized conductors

Answer

500 mm from exposed energized conductors

Answer

900 mm from exposed energized conductors

Question 2

What does an Assured Equipment Grounding Conductor Program (AEGCP) ensure on a construction site?

Accepted Answer

That all portable electrical equipment is inspected, tested, and recorded as properly grounded before use

Answer

That all equipment uses Class 1 grounding conductors

Answer

That monthly bonding tests are performed on all stationary equipment

Answer

That outdoor equipment has GFCI protection on all circuits

Question 3

Why is equipotential bonding required in areas where livestock are kept?

Accepted Answer

To eliminate touch and step potential differences that can injure or kill livestock

Answer

To provide a fault current return path back to the service

Answer

To reduce voltage drop across long farm distribution circuits

Answer

To improve the power factor of agricultural motor loads

Question 4

When must a fire watch be maintained during electrical work?

Accepted Answer

When the work creates sparks or heat that could ignite nearby combustible materials

Answer

Only during welding operations performed by an electrician

Answer

During all electrical work performed in occupied buildings

Answer

Only when working with aluminum wiring or thermite connections

Question 5

Before using a voltage tester to verify that equipment is de-energized, what must a worker do first?

Accepted Answer

Verify the tester is functioning correctly by testing it on a known energized source

Answer

Replace the battery in the tester

Answer

Set the tester to its highest voltage range

Answer

Connect the tester ground lead to the equipment enclosure

Question 6

Which definition best describes a permit-required confined space relevant to electrical work?

Accepted Answer

A space with limited entry or exit that contains or may contain a serious physical hazard

Answer

Any enclosed space containing electrical equipment or panels

Answer

Any underground vault or manhole deeper than 1.5 metres

Answer

Any space where a written work permit must be obtained before entry

Question 7

What is the key difference between 'energized electrical work' and 'hot work' in a safety permit context?

Accepted Answer

Energized electrical work involves live circuits; hot work refers to welding, cutting, or grinding that produces sparks or flame

Answer

They are interchangeable terms used in different provinces

Answer

Energized electrical work applies above 600V; hot work applies below 600V

Answer

Hot work requires more PPE than energized electrical work in all cases