Keywords:
Failure (quality control), Electronic equipment and components, Fail-to-safety devices, Fire safety, Instructions for use, Performance, Transient voltages, Cut-out devices, Detectors, Safety devices, Marking, Surges (electrical), Heat engineering components, Performance testing, Testing conditions, Flames, Electrical testing, Gas-powered devices, Designations, Definitions, Burners, Forced-draught burners, Control systems, Computerized control, Automatic control systems