004 Online sample questions (part a)

Which document details the exact dimensions of particular luminaires?

• Site Plans.

• Manufacturer's data.

• Wiring diagrams.

• Design Specification.

Answer explanation

Manufacturer's data provides specific details about luminaires, including their exact dimensions, making it the correct choice. Site plans and design specifications may include general layouts, but not precise measurements.

What should you check on an 110V drill before using on site?

• Lead

• Battery

• Brushes

• Yellow

Answer explanation

Before using an 110V drill on site, you should check the lead for any damage or wear. A damaged lead can pose safety risks and affect the drill's performance, making it the most critical component to inspect.

Which document is non-statutory?

• IET Wiring Regulations.

• Electricity Safety Quality and Continuity Regulations.

• Electricity at Work Regulations.

• Health and Safety at Work etc. Act.

Answer explanation

The IET Wiring Regulations are non-statutory guidelines for electrical installations, while the other options are statutory regulations that have legal authority.

Which one of the following is a statutory document?

• Electricity at work regulations

• On site Guide

• IET wiring regulations

• Health & Safety guidance

Answer explanation

The Electricity at Work Regulations are statutory documents that set out legal requirements for electrical safety in the workplace, making them the correct choice. The other options are guidelines or recommendations.

How would a site supervisor be able to account for all persons on a site, should an evacuation happen due to a fire?

• Ensure all deliveries are signed for.

• Ensure all escape routes are securely locked.

• Ensure all persons sign in when entering the site.

• Ensure all persons park in designated bays.

Answer explanation

The correct choice is to ensure all persons sign in when entering the site. This allows the site supervisor to maintain an accurate record of everyone present, facilitating accountability during an evacuation.

What would be the best way to identify damage to building decorations before electrical work is undertaken?

• Note the damage in the site diary.

• Highlight the details on the invoice.

• Take photographs after work is undertaken.

• Take photographs before work is undertaken.

Answer explanation

Taking photographs before work is undertaken allows for clear documentation of any existing damage to building decorations. This evidence can be crucial for accountability and assessing any further damage post-work.

What is the most appropriate method of protecting soft furnishings from dust caused by drilling a hole into a ceiling?

• Vacuum clean furnishings after the work is done.

• Remove furnishings and store off site.

• Cover furnishings with a dustsheet.

• Spray water over the area while drilling.

Answer explanation

Covering furnishings with a dustsheet is the most effective way to protect them from dust during drilling. It prevents dust from settling on the surfaces, unlike vacuuming after the work, which only addresses the issue post-drilling.

During Electrical Installation work, how would you protect furnishings in a finished property?

• Dust sheet

• Bubble wrap

• Remove off site and store safely

• Leave uncovered

Answer explanation

Using a dust sheet is the best way to protect furnishings during electrical installation work, as it effectively covers and shields them from dust and debris, unlike bubble wrap or leaving them uncovered.

How would you protect a stone floor before commencing electrical works?

• Dust sheets

• Over-boards/surface protectors

• Bubble wrap

• Carpet

Answer explanation

Over-boards/surface protectors are ideal for safeguarding stone floors during electrical works, as they provide a sturdy barrier against heavy tools and materials, preventing scratches and damage.

In which of the following must un-sheathed single-core insulated cable be installed?

• Metallic Trunking.

• Metallic basket.

• Metallic tray.

• PVC capping.

Answer explanation

Un-sheathed single-core insulated cables must be installed in Metallic Trunking to ensure proper protection and grounding. Other options like metallic baskets and trays do not provide the same level of safety.