Cable Clips White Pack of 20 Powermaster Bell Wire Cable Clips 20 Pack | 1524-04 The Powermaster Bell Wire Cable Clips are white nylon and used on modem, bell, and phone cables. Just clip on the cable and then tap it into the mounting surface. The pack contains an average of 20 clips and has hassle free, easy to open packaging. They require standard installation tools and should only be installed by a competent, qualified person.