UL 756-2016 pdf download – Coin and Currency Changers and Actuators.
2.1 4 FUNCTIONAL PART – A part other than an enclosure or cabinet used to maintain the intended relative physical position of fixed or moving parts, or maintain the integrity of the structure. 2.1 5 GROUNDING, FUNCTIONAL – Grounding of a point in an appliance which is necessary for a purpose other than safety. 2.1 6 IGNITION SOURCE – Any high-voltage electrical component not located within an enclosure. 2.1 7 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. 2.1 8 MOTOR CONTROLLER – Any device normally used to start and stop a motor, such as a switch, thermostat, pressure limiting control, or the like. 2.1 9 MOTOR, DIRECTLY ACCESSIBLE – A motor that can be contacted without opening or removing any part, or that is located so as to be accessible to contact. 2.20 MOTOR, INDIRECTLY ACCESSIBLE – A motor that is accessible only by opening or removing a part of the cabinet, such as a guard or panel that can be opened or removed without using a tool, or that is located at such a height or is otherwise guarded or enclosed so that it is unlikely to be contacted. 2.21 NONFUNCTIONAL PART – A part of the equipment that does not perform a specific function. 2.22 NONFUNCTIONAL PART, SMALL – A nonfunctional part having an area of less than 1 ft 2 (0.093 m 2 ) 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. 2.23 OPEN-TYPE CONTROL – Controls and devices that are incomplete in certain construction features and need to be installed within another appliance.