With Imtra rope lighting, installation is simple, making it easy to achieve the dramatic effect you are looking for. All rope lighting meets safety standards under CE, UL and SA classifications. ILM flexible rope lighting features top grade UV-resistant PVC and durable bulbs. LED and incandescent versions are available to accommodate every application and budget. Should a single bulb burn out or become damaged, ILM's fuse bulb structure maintains the circuit so that the remaining bulbs are not affected. ILMDL-CONKIT-6 (6 ft., 12/24VDC power cord) and ILMDL-END (end cap) are required to complete rope light installation Bulbs are spaced every one inch Rope diameter: 3/8" Sold by the foot