The extra vision showcase provides a crystal clear view for displaying your high quality merchandising and features lockable sliding doors to prevent theft. Included is a T-12 bi-pin fluorescent lamp (self-contained). The cabinet is UL Wired with a pigtail and 3 wires (ready to be hard wired). Other electrical wiring options are available through manufacturer as special orders. Always be sure to check local code requirements for electrical wiring specifications.