5501-1508 Dummy Plug --Burton Compatible 55 series Dummy Plug, 15 shell, 8 pin Part Number System Special designation: A-Attachable R-Right angle 0-600v (standard) 1-1000v 2-2000v 3-3000v 9-1100v (special) Style: 1-CCP 2-CCR 6-FDCR 7-BCR