April 30, 2020   |   by admin

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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Is this page useful? This website uses non-intrusive cookies to improve your user experience. A – switch to normal size A – switch to large size A – switch to larger size. Electrical test equipment for use on low voltage electrical systems Date of publication: A newly added paragraph hze on the importance or carrying out risk assessments, putting into place relevant safety measures and the use of appropriate PPE.

GS38 Fourth edition Download a free copy.

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. A brief guide Electricity at work: The Electricity at Work Bse require those in control of all or part of an electrical system to ensure it is safe to use and maintained in a safe condition.

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.

Safe working practices Memorandum of guidance on the Electricity at Work Regulation. There are several points highlighted here that should be considered closely when it comes to test equipment selection. Other changes include the use of proving units, non-contact voltage detectors and installation category ratings. This standard, which came into full effect in Mayis the standard that all new two pole voltage indicators should comply with.

G38 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 hde edition: Firstly the Guidance Note has been amended to reflect relevant changes to the standard for two pole voltage indicators, BS EN 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.


HSE GS38 compliant tip caps

While it has fundamentally remained the same as the previous version, there are some key additions that could affect the way you test, hsd the equipment you are using. Wherever possible, all work on electrical systems should be carried out with the system dead.

The guidance has not fundamentally changed from the previous version. This includes electrical testing where dead tests are often as effective as live measurements. This fourth edition includes current test equipment and references and links to further guidance have been updated.

When it gx38 to proving dead this has always been advised against by Electrical Safety First previously the Electrical Safety Council. If your leads break during testing it can be easy to swap them for another set from a multimeter or clamp meter. Only devices which make contact with the conductor ie not proximity devices should be used for proving dead.

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

Such devices should be proved before and after use. A final change regarding test leads relates to the use of fused leads. Updates regarding the causes of accidents This section has been expanded on to include additional issues that have he raised since the previous publication: However, if those leads are not rated to the same category as your installation, you could be putting yourself at risk.

Electrical test equipment for use on low voltage electrical systems

Health and Safety Executive. 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 and that these should be carried out by a competent person. General changes The guidance note has been amended to reflect the wide range of people who work on electrical systems, particularly those where electrical testing is not a primary activity such as gas installers and alarm installers.

When it comes to buying new voltage detectors, you can be sure compliance with GS38 if the unit you are buying complies to BS EN This section has some in-depth points regarding correct equipment selection.

Two key points have been hsd to the examples of common problems to look for: Skip to content Skip to navigation. If you are unsure as to what test leads you need to use, sg38 to our technical team on A footnote has been added to clarify that live working is defined as any testing or fault finding on live systems. HSE aims to reduce work-related death, injury and ill health. The fourth edition of GS38 makes two important points regarding the purchase of new equipment and the use of older fs38.


For loop impedance, RCD or multifunction testers, the fuse will typically be 10A. Related products Electrical safety and you: You can visit our cookie privacy page for more information. This approach would derate the measuring equipment to the lower rating. See also Electrical safety at work Safe maintenance Risk management The health and safety toolbox – how to control risks at work.

However, non-contact or proximity devices can be useful ggs38 indicating if something is live, eg when attempting to remove a single cable installed in trunking containing many single cables. This is an important safety issue as using equipment that is not correctly rated for the installation category can and has resulted in serious injury and death.

hse guidance note gs38

Whenever there are changes made to legislation and best practice, questions are often raised regarding existing equipment and whether it can still be used. Precautions before testing This section has been expanded upon to recognise additional test processes covered by the guidance note.

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 has a new paragraph added regarding the use of non-contact detectors, or volt sticks: 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 ys38.

An important point raised in the causes of accidents is the use of multimeters.