Sunpack Daisy Chainable Link Cord for Led and T5 Lighting, 36 Inches - Black
From Macy's
This Led and T5HO link cord allows you to connect 2 lights together, or, with more cables, daisy chain several. This allows for more light for your seeds without extra outlets to work with as well as a larger, well-lit growing area. The cable features a male and female end.