This cable is also specially designed for outdoor use. The cable comes equipped with two jackets for maximum protection from the elements. The inner jacket is made of PVC and the outer jacket is made with PE. The PE jacket makes the cable extremely resistant to cold weather, moisture, chemicals, abrasion, cutting, and even lightening; while the inner jacket adds additional protection to the conductors. With its durable construction, you can rest assured that your cable will stand up to what ever Mother Nature throws at it. Siamese cables give you the power to centralize your video and power distribution for your CCTV systems, and allows for more flexible placement of your security cameras. Our RG59 cables are coupled with stranded 18 gauge power cables.