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Jargon Buster

Letter M

Magnetic Test Switch Option

This is an option where the detector can be tested by swiping a magnet to trigger it.


When in maintained operation the lamp of an emergency luminaire stays on constantly at all times and stays lit for the minimum emergency duration after a mains failure.

Material Data Sheet

A material data sheet is a form which states the properties/components of a particular product including and harmful substances.

Modular Design

The Modum ladder is constructed using modular lengths which allows customised ladders to be created to your specifications. All lengths are held in stock in our UK warehouse and are all available on a next working day service.