Covers controllers intended for starting and stopping centrifugal and positive displacement fire pumps, including automatic and non-automatic types for electric-motor or engine-driven pumps in accordance with NFPA 20, Stationary Pumps for Fire Protection. Types of controllers covered include diesel engine, electric-motor, limited-service, high-voltage, and residential. Controllers may be suitable for use as service equipment. This proposed tri-national edition of UL 218 is fundamentally the current UL 218 standard with the addition of national differences for Canada and Mexico.