Emergency lighting
New oval and 4-in. round LED D auxiliary strobe lamps for emergency, construction and service vehicles are available from Grote Industries. The Supernova LED strobe lamps last substantially longer than conventional strobes, according to Grote, are less likely to break and require a simple 12-volt DC connection so no costly external power supply is necessary. The U.S. 40 Series 4-in. round and U.S.