§ 56.14132. Horns and backup alarms.
124 words·~1 min read·
/us/cfr/t30/s§ 56.14132·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)Manually-operated horns or other audible warning devices provided on self-propelled mobile equipment as a safety feature shall be maintained in functional condition. (b)(1) When the operator has an obstructed view to the rear, self-propelled mobile equipment shall have---
(i)An automatic reverse-activated signal alarm;
(ii)A wheel-mounted bell alarm which sounds at least once for each three feet of reverse movement;
(iii)A discriminating backup alarm that covers the area of obstructed view; or
(iv)An observer to signal when it is safe to back up.
(2)Alarms shall be audible above the surrounding noise level.
(3)An automatic reverse-activated strobe light may be used at night in lieu of an audible reverse alarm.
(c)This standard does not apply to rail equipment.