Set 5041-1 : Wire for 9V (9cm) [Vintage & Retired:Service Packs] [BrickLink]
LEGO Power Contacts for 9 Volt Train Tracks | Brick Owl - LEGO Marketplace
Custom NXT® cables
LEGO Train Connection Wire for 9v Train Sets - Train Connection Wire for 9v Train Sets . shop for LEGO products in India. Toys for 10 - 15 Years Kids. | Flipkart.com