Global Trac Accessory DALI X Feed Connector – Glass fibre reinforced polycarbonate X-feed that is applicable for three-circuit track systems where the polarity ridge is in the outer side and on the left. Dimensions – 166 x 166 x 33 mm (L x W x H). Options: Black White If you need some help in selecting what part you need for your Global Trac LED suspended track lighting, contact us or use our Live Chat in the bottom right corner. We are happy to help out with whatever your project or needs are. Have a read of our Track lighting guide.