C-9 25 LIGHT COMMERCIAL GRADE SETS  with 12" spacing -  25 LIGHT SET - 25' IN LENGTH -  Sold  (12) Per Case - Commercial grade means Waterproof plugs and 20 gage wire - Adapter CORD IS INCLUDED TO PLUG IN COMMERCIAL GRADE LIGHTS - YOU WILL NEED THIS FOR (each 12 sets) of LIGHTS  -  100,000 hr. rating - 80% to 90%  energy savings! -  See our "Taps" for Commercial Sets to add Additional String Sets - this page. 

SEE PRICING IN DROP DOWN MENU ABOVE  - CLICK THE CHECK AT THE END OF THE SIZE BOX.