575 IAC 1-9-52 Lamps and signals; strobe

Sec. 52. (a) A white strobe light meeting SAE standards may be installed. (b) A strobe light must be mounted on top of the center of the bus, between the rear wheels and the rear of the bus. (c) A strobe light must be controlled by a switch that is independent of the ignition system. (d) The candlepower must be at least eight hundred (800) on a horizontal plane and at least twenty percent (20%) of horizontal light measured at plus or minus seven and one-half (7 1/2) degrees at the vertical plane. The intensity of light visible to the human eye must be measured in accordance with the Blondell-Rae equation for intensity.