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Lesson 13 of 19

Safe Isolation of Electricity

Read through the material below, then test your understanding.

Module Lessons

Health and Safety and Industry Practices

Lesson Overview

Safe electrical isolation is a mandatory procedure that ensures electrical circuits and equipment are dead and securely locked off before work begins. It protects plumbers from fatal electric shock, accidental re-energisation, and diverted neutral currents.

Learning Objectives

Explain the statutory isolation requirements under the Electricity at Work Regulations 1989 and HSE Guidance Note GS38.

Carry out the correct sequence of steps to safely isolate, lock off, test, and prove circuits are dead.

Apply temporary continuity bonding correctly to prevent electric shock when severing metallic pipework.

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