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the main contacts of which are intended to be connected to circuits
During transportation and service
test methods and performance criteria for loudspeakers intended to broadcast a warning of fire between a fire detection and fire alarm system and the occupants of a building
insulation resistance and electric strength
Structural bearings - Guide bearings and restraint bearings Ingestion-build-276583 the main contacts of whichBS EN 1337 8: 2007 Structural bearings. Guide bearings and restraint bearings BS EN 1337 8 deals with the requirements for the design and manufacture of guide bearings and restraint bearings. Guide bearings are bearings that provide restraint in one horizontal direction only, accommodates rotations and does not transmit vertical loads. Restraint bearings are bearings that prevent movements in the horizontal plane, accommodate rotations and do not