Reaction to fire tests. Fire growth. Full-scale test for stairs and stair coverings1 Scope This test method describes a full scale reference scenario procedure for assessing the burning behaviour of stairs or stair coverings, when exposed to a defined ignition source. The risks addressed in this scenario are essentially those of a deliberate rather than an accidental fire. The ignition sources specified include a wood crib to represent a local attack with burning crumpled newspaper and a gas burner to represent a more severe attack

together with its companion

Note: BS EN 12697‑53 not applicable to mastic asphalt

ISO 9004-2:1991

Electricity meters are products designed for high reliability and durability to operate continuously for extended periods without supervision

6 Emergency stop equipment

thus recognizing their increased acceptability in simpler voice alarm systems where manual control is not required

which would cause a reduction in the accuracy of the measurement results

and thus supplement the OSI Basic Reference Model in guiding the development of data-link protocols for time-critical communications

Using the specification of services as outlined in BS EN 14776

This standard does not apply to three-light lampholders E26d

BS EN IEC 60512-1:2018 supersedes BS EN 60512-1:2001

BS EN 17298 provides advice on working range of the method which is determined for each organic acid