I can’t believe I’m showing you our closet/mudroom/shed/where-everything-we-don’t-know-what-to-do-with-goes-room, ah well. This is reality, after all.
Note: This exact set-up is obviously meant to be tweaked to cater to your own situation, to get you on the problem-solving track. Please do follow directions for the type of grow bulb you purchase on which types of sockets to use and specific wattage instructions. Be safe, yo!
Photo Credit: The Hip Girl's Guide to Homemaking