surge arrester (lightning arrester) - a device for the protection of apparatus from damage by a lightning discharge or other accidental electrical-surge
Equipment and devices specially designed to initiate explosions by electrical or non-electrical means, including firing sets, detonators, igniters, boosters and detonating cord, and specially designed components therefor; except: those specially designed for a specific commercial use consisting of the actuation or operation by explosive means of other equipment or devices the function of which is not the creation of explosions (e.g., car air bag inflaters, electri-surge arresters of fire sprinkler actuators) (1).
