Health & Safety Executive GS38 guidance note is aimed at people who use electrical test equipment on low voltage circuits. Institution (BSI) guidance and Health and Safety Executive (HSE) guidance Regulations lists HSE Guidance Note GS38 – Electrical test equipment. This is a free-to-download, web-friendly version of GS38 (First edition, published ). This version has been adapted for online use from HSE’s current printed.

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See also Electrical safety at work Safe maintenance Risk management The health and safety toolbox – how to control risks at work. The document provides advice and guidance on how to work safely and ensure the right equipment is used and maintained properly. This has a new paragraph added regarding the gs3 of non-contact detectors, or volt sticks: The fourth edition of GS38 makes two important points regarding the purchase of new equipment and the use of older equipment.

Firstly the Guidance Note has been amended to reflect relevant changes to the standard for two pole voltage indicators, BS EN A – switch to normal size A – switch to large size A – switch to larger size.

hse guidance note gs38

As a general rule, GS38 states that any equipment or test leads that conform to BS EN or BS EN will meet the requirements and be compliant, provided you have taken into consideration the installation category.

Wherever possible, all work on electrical systems should be carried out with the system dead. Two key points have been added to the examples of common problems to look for: GS38 Fourth edition Download a free copy. Safe working practices Memorandum of guidance on the Electricity at Work Regulation.

Specific requirements for test leads In line with changes made to the standards that cover the manufacture of test leads, there are some specific requirements that leads should comply with added in the fourth edition: Whenever there are changes made to legislation and best practice, questions are often raised regarding existing equipment and whether it can still be used. This should be done preferably on a voltage proving unit some devices have built-in proving units or otherwise on a known live source of similar voltage to the circuit under test providing precautions are taken to prevent danger arising.


This fourth edition includes current test equipment and references and links to further guidance have been updated.

Examination of equipment The changes here are mainly with the wording, however this section does highlight the need to maintain regular checks of test equipment gx38 that these should be carried out by a competent person. Skip to content Skip to navigation. These regular references to CAT safety ratings in the fourth edition of GS38 highlight the importance of ensuring that you have the right equipment and test leads for the job.

If you find you have leads or test equipment that no longer meet these requirements, or have been damaged, it would be advisable to replace them to ensure your ongoing safety. When it comes to proving dead this has always been advised against by Electrical Safety First previously the Electrical Safety Council.

ys38 If your leads break during testing it can be easy to swap them for another hes from a multimeter or clamp meter. While it has fundamentally remained the same as the previous version, there are some key additions that could affect the way you test, or the equipment you are using.

Provided your existing equipment or leads meet either of the above there should be no need to replace anything until they need it.

HSE aims to reduce work-related death, injury and ill health. For loop impedance, RCD or multifunction testers, the fuse will typically be 10A. Updates regarding the causes of accidents This section has been expanded on to include additional issues that have been raised since the previous publication: There are several points highlighted here that should be considered closely when it comes to test equipment selection.

For existing leads and equipment predating these standards, or manufactured to a different standard, GS38 states they must be maintained to prevent danger and should comply with the guidance probes and clips in paragraph 9 download the full guidance note below.


Electrical test equipment for use on low voltage electrical systems Date of publication: This section has some in-depth points regarding correct equipment selection. Throughout this section, revisions have been made to include the need for ongoing risk assessments to ensure safety is maintained as well as re-emphasis of the need for selecting the right CAT safety rating for the installation under test.

This includes electrical testing where dead tests are often as effective as live measurements. The guidance has not fundamentally changed from the previous version.

Hse guidance note gs38:

This document provides advice and guidance on how to achieve this. Risky business Vehicle safety on farms Kidsafe: An important point raised in the causes of accidents is the use of multimeters. Health and Safety Executive. Related products Electrical safety and you: Setting the multimeter to the wrong voltage range will lead to a false reading, but having it set to measure current or resistance can result in excessive current being drawn through the test probes, leads and multimeter.

For multimeters, fused leads should have a high-breaking capacity fuse hbc or hrc with a current rating that usually should not exceed mA.

HSE GS38 Fourth Edition – What you need to know to stay compliant

We look at the key changes in the fourth edition, the full version of which can be downloaded at the end of this article. This website uses non-intrusive cookies to improve your user experience. Trusted by Professionals Search: Such devices should be proved before and after use. A newly added paragraph touches on the importance or carrying out risk gz38, putting into place relevant safety measures and the use of appropriate PPE.