At 11:26 Stations 98, 30 and Rescue 0 were dispatched to tactical box 98-30 at 22 Carolina Ave. Upon arrival E98 reported fire showing side A. Crews from E98 and L30 quickly worked to begin extinguishing the fire and ventilating. R98 and E30 arrived and assisted with a back up line and overhaul. SS10 and R31 opened the roof. R0 and Medic 139 were also on scene for assistance and R32 was RIT. Fire was placed under control at 11:51. The cause of the fire appears to be a malfunction of exterior holiday lights. Station 98 was available at 13:15.