O-Z/Gedney SR-505 Strain Relief Straight Cord Connector, 1/2 in Trade, 0.4 to 0.5 in Cable Openings, Malleable Iron, Zinc Plated | State Electric
Amazon.com: HQRP AC Power Cord 6ft Long Compatible with Pioneer DV-500, DV- 505, DV-50A, DV563A, DV-563A-S, DV-606D (Square-Round) Mains Cable, Black : Electronics
Meade #505 Connector Cable Set & USB to RS232 Adapter Cable @ Meade Instruments UK