OAR 837-045-0060: Power Source

(1) The power supply of a smoke alarm shall be a commercial power source, an integral battery or batteries or a combination of both. The power supply for a smoke detector shall be a commercial power source. (2) When a smoke alarm or smoke detector is served from a commercial power source, the wiring shall be permanent and shall not have a disconnecting switch other than that required for over current protection. (3) When a line cord and plug is used, it shall be plugged directly into a fixed outlet box and the plug shall be secured by a device that cannot be removed without the use of a tool. (4) The owner of a dwelling unit, lodging house or hotel shall obtain a permit from the local building official for the installation of a 110-volt smoke alarm or a low-voltage smoke detector connected to a fire alarm control panel.