Telephone extension cords are typically made with small-gauge multi-strand copper conductors which do not maintain a noise-reducing pair twist, which are more susceptible to electromagnetic interference and have more attenuation than single-strand copper wires typically wired to telephone jacks.
Telephone extension cords are typically made with small-gauge multi-strand copper conductors-reducing pair twist. These multi-strand copper conductors do not maintain a noise. Pair twist are more susceptible to electromagnetic interference. Pair twist have more attenuation than single. Strand copper wires typically wired to telephone jacks.