These Cables to Go 11380 modular RJ45 termination plugs are designed to work with both stranded and solid conductor wire and will accomodate oval and round cable both. Use these plugs for data or voice data.From the popular 4x4 and 6x4 voice grade plugs and adapters, to the 8x8 and 10x10 data products, we have the solution for your cable terminations. Modular plugs are designed to terminate either stranded or solid conductor wire, and to accommodate either oval or round cable. Manufactured with gold-plated contacts for reliable data transfers. Use for voice/data applications.