Constructed from heavy duty 28 AWG silver satin wire, this cable has gold-plated connectors for clearer communication. Its 4-wire construction handles dual phone lines while the heavy duty PVC jacket protects the cable's integrity.Constructed from heavy duty 28 AWG silver satin wire, this cable has gold-plated connectors for clearer communication. Its 4-wire construction handles dual phone lines while the heavy duty PVC jacket protects the cable's integrity.