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Emergency Lighting and Signs FAQs

What is an emergency light hot wire test?

The hot wire test simulates the effects of electrical heat within an emergency light to ensure that the product meets the correct standards to prevent ignition and the spread of fire should it be exposed to excess heat. It is carried out at 850 degrees Celsius, as specified in BS EN 60598-2-22.

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(doc:540 V1.0). Our articles are reviewed regularly. However, any changes made to standards or legislation following the review date will not have been considered. Please note that we provide abridged, easy-to-understand guidance. To make detailed decisions about your fire safety provisions, you might require further advice or need to consult the full standards and legislation.