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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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 hsd circuit under test providing precautions are taken to prevent danger arising. A newly added paragraph touches on the importance or carrying out risk assessments, putting into place relevant safety measures and the use of appropriate PPE.

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Electrical test equipment for use on low voltage electrical systems

A brief guide Electricity at work: If you are unsure as to what test leads gx38 need to use, speak to our technical team on 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. Updates regarding the causes of accidents This section has been expanded on to hde additional issues that have been raised since the previous publication: When it comes to proving dead this has always been advised against by Electrical Safety First previously the Electrical Safety Council.


For loop impedance, RCD or multifunction testers, the fuse will typically be 10A. 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 As a general rule, GS38 states that any equipment or hsd 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. The guidance has not fundamentally changed from the previous version.

HSE GS38 compliant tip caps Archives | Testermans

While it has fundamentally remained the same as hze previous version, there are some key additions that could affect the way you test, or the equipment you are using. This approach would derate the measuring equipment to the lower rating.

The fourth edition of GS38 makes two important points regarding the purchase of new equipment and the use of older equipment.

GS38 Fourth edition Gs8 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.

HSE GS38 compliant tip caps

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. However, if those leads are not rated to the same category as your installation, you could be putting yourself at risk.

Firstly the Guidance Note has been amended to reflect relevant changes to the standard for two pole voltage indicators, BS EN A final change regarding test leads relates to the use of fused leads.


Electrical test equipment for use on low voltage electrical systems Date of publication: Is this page useful? 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: Health and Safety Executive.

Precautions before testing This section has been expanded upon to recognise additional test processes covered by the guidance note. The Regulations permit few circumstances where it is acceptable for live working activities to be carried out on electrical equipment or systems, this includes electrical testing and fault finding.

The document provides advice and guidance on how to work safely and ensure the right equipment is used and maintained properly.

Related products Electrical safety and you: This website uses non-intrusive cookies to improve your user experience. Trusted by Professionals Search: See also Electrical safety at work Safe maintenance Risk management The health and safety toolbox – how to control risks at work. 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.

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.