But Hd Soc Scr #5BH SOC 4-40 x 5/16 SST (A-dec® #002.097.00) Package of 2 Replaces 24V Volt/150 Watt bulbs in older 6300 lights A-dec® is a registered trademark of A-dec, Inc. DCI has no affiliation with A-dec and A-dec has not authorized DCI replacement parts to be used on or in connection with A-dec® products.