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Electrical services. Electrical safety handbook (Welsh version)

Health Technical Memorandum 06-02

Electrical services. Electrical safety handbook (Welsh version)

Document Status



Core Supplement


Health Technical Memorandum


Areas covered include: definitions; general precautions; safety precautions and procedures for work on low voltage systems made dead; safety precautions and procedures for live working and testing low voltage equipment; display of permanent posters and safety signs; testing and inspection; maximum permitted earth loop impedance and first-aid.


This document replaced HTM 2020 - Electrical safety code for low voltage systems 1998. Amended March 2013. HTM 06-02 consists of a main guidance document titled: 'Electrical services. Electrical safety guidance for low voltage systems' and this handbook which is published separately.


Publisher History

NHS Wales Shared Services Partnership provide advice to the Welsh Government on strategic issues and support to the NHS on the delivery of their operational plans.



NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.

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IHS Markit is a leading global source of critical information and insight for customers in a broad range of industries. Our customer product and service solutions span four major areas of information: energy, product lifecycle management, environmental and security. By focusing on our customers first, we deliver data and expertise that enable innovative and successful decision-making. Customers range from governments and multinational companies to smaller companies and technical professionals in more than 180 countries. IHS has been in business since 1959 and employs more than 3,500 people in 35 locations around the world.

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