Conn. Agencies Regs. § 9-241-16
The electronic voting equipment shall be designed and constructed in a manner which permits the technician/mechanic to perform routine service as well as all field maintenance and repairs. The equipment shall be constructed so as to allow the technician/mechanic access to the internal compartments and mechanisms of the equipment with the exception of those parts of the equipment which are categorized by the manufacturer as proprietary. Field service shall include the testing necessary to identify the source of a malfunction; the adjustment, repair or replacement of malfunctioning circuits or components; and the testing necessary to verify that repairs were performed correctly. Prior to an election the technicians/mechanics shall be able to open the machine from its storage container, install a properly programmed removable memory device in the machine, test the machine and otherwise prepare the machine for the ballot to be voted, close the machine, lock it with a key, seal it with a numbered seal and prepare it for transport to the polling place. The machine may not be opened for voting without damaging the seal so that it is evident that the machine has been opened.
Conn. Agencies Regs. § 9-241-16