UL 541

1 Scope

1.1 These requirements cover self-contained, refrigerated vending machines intended for connection to alternating-current circuits rated 600 volts or less and which incorporate refrigeration systems of the air-cooled or water-cooled type employing hermetic refrigerant motor-compressors.

1.2 These requirements do not cover vending machines incorporating universal motors rated at more than 250 volts, nor vending machines which have a principal function other than storage and dispensing of refrigerated products; nor to vending stations, that is, freestanding stationary structures for outdoor use.