PlumbingIQ
Sign InGet Started
PlumbingIQ

Learning

DashboardFlashcardsMy Progress

Testing & Mocks

Mock Exams

Account

Upgrade to Pro

⭐ Upgrade to Pro - £19

Unlock all lessons and mock exams to pass Level 2 + Level 3 theory exams.

Upgrade now
Lesson 12 of 19

Electrical Safety on Site

Read through the material below, then test your understanding.

Module Lessons

Health and Safety and Industry Practices

Lesson Overview

Understanding electrical safety and supply systems on construction sites is vital for preventing electric shock, fire, and equipment damage. This lesson covers site supply voltages, cable separation rules, power tool inspections, and shock hazards.

Learning Objectives

Identify the standard UK site voltages, cable colours, and socket outlet requirements.

State the physiological effects of electric current on the human body and key shock thresholds.

Apply statutory clearance rules between pipework and electrical services, alongside tool inspection procedures.

Unlock the full lesson & knowledge check

Get lifetime access to every Level 2 & 3 lesson, 3500+ total questions, and timed City & Guilds mock exams.

Get Pro Access (£19)

Already have Pro? Sign in

PlumbingIQ

Interactive City & Guilds Level 2 and Level 3 plumbing lessons, flashcards and mock exams, built for UK students and professionals.

© 2026 PlumbingIQ. All rights reserved.