General Knowledge · Vehicle Inspection
Which of the following is required emergency equipment on a commercial power unit that is not transporting hazardous materials?
Explanation
A power unit not hauling hazardous materials must carry either a single fire extinguisher rated at least UL 5 B:C or two extinguishers each rated at least UL 4 B:C, along with warning devices, either three bidirectional reflective triangles or at least six fusees, under 49 CFR 393.95(a)(1)(ii). The rule exists so a driver can warn oncoming traffic after a breakdown and handle a small fire before it spreads, both common roadside emergencies. A spare tire, a first aid kit, and a phone are all reasonable things to carry, but none of them appear in this federal requirement. Confusing a sensible practice with an actual federal mandate is the trap here: only the extinguisher, in either permitted form, and the warning devices are what 393.95 requires.
Source: 49 CFR 393.95(a)(1)(ii)
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