UL 541-2020 pdf free download.Refrigerated Vending Machines. or by a suitable combination of transformer and fixed impedance having output characteristics in compliance with those required for a Class 2 transformer. 5.26 MAXIMUM OPERATING CURRENT (MOC) — The current resulting when an electric motor and adjustable speed drive or drive system are operated under any conditions such as maximum speed/maximum load, maximum speed/minimum load, minimum speed/minimum load, minimum speed/maximum load, including locked-rotor such that current to the motor/adjustable speed drive or drive system is at a maximum, 5.27 MAXIMUM RATED CURRENT (MRC) — The current resulting when a hermetic refrigerant motor- compressor and adjustable speed drive or drive system are operated under any conditions such as maximum speed/maximum load, maximum speed/minimum load, minimum speedlminimum load, minimum speed/maximum load, including locked-rotor such that current to the motor- compressor/adjustable speed drive oc drive system is at a maximum. 5.28 MODULE — A complete, environmentally protected unit consisting of solar cells, optics, and other components, exclusive of a solar tracker mechanism, designed to generate dc power when exposed to sunlight. 5.29 MOTOR CONTROLLER — Any device normally used to start and stop a motor, such as a switch, thermostat, pressure limiting control, or the like. 5.30 NONAUTOMATIC VENDER — A vender which delivers a product by requiring the customer to operate the vending mechanism by moving a lever, knob, bottle, or the like. 5.31 NONFUNCTIONAL PART — A part of the equipment that does not perform a specific function. 5.32 NONFUNCTIONAL PART, SMALL — A nonfunctional part having an area of less than 1 ft2 (0.093 m2) located so it cannot propagate flame from one area to another, and does not connect a possible source of ignition to the other ignitable parts. 5.32.1 POTENTIALLY HAZARDOUS FOOD — A natural or synthetic substance intended for internal human consumption and which requires temperature control since it is capable of supporting growth of toxic microorganisms. 5.33 PROTECTIVE ELECTRONIC CIRCUIT (PEC) — An electronic circuit that prevents a risk of fire, electric shock or injury to persons under abnormal operating conditions. EC This definition reproduced from IEC 60335-1. Ed. 5.1 b:2013 with permission of the Amencan National Standards Institute (ANSI) on behalf ol the International Electro(echnical Commslon. All rights reserved. 5.34 ROUTE PERSON — The person who regularly opens a vender for such purposes as cleaning, inserting/removing currency or coins, replenishing the product supplied, and making minor adjustments....
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