(a) The state fire marshal recommends an interior release mechanism for security bars that consists of a lever, knob, handle, panic bar, or other simple type of releasing device having an obvious method of operation under all lighting conditions. The release mechanism for any security bar shall be located not more than 36 inches (91 centimeters) above the finished floor and shall require no more than two movements in order to accomplish the release. The interior release mechanism shall not require the use of a key, a tool, or special knowledge or effort for operation from the inside of the room.(b) The state fire marshal recommends that the interior release mechanism be inspected or maintained on a periodic basis to make sure that it operates when needed.