Accessory 타입 = Lead Set For Use With = DT-300 * DT-500 only in the PRO kit. 15-100 Control Kits. Kits for performing tests required by NF C 15-100 1 DT-170 (differential controller) 1 DT-300 (earth and continuity measuring device and extension cord) 1 M-9955538 (diagnostic book 15-100) 1 DT-500* ( 단열재 controller and connectors)