Service connections through an exterior wall of the machine, including water, gas, electrical and refrigeration connections, are to be grommeted or closed to prevent the entrance of insects and rodents. Service connections to machines vending potentially hazardous food are to be such as to discourage their unauthorized or unintentional disconnection.
N.Y. Comp. Codes R. & Regs. Tit. 10 §§ 14-5.93