Broan IW2-100 100 Foot 2-Conductor Twisted Pair Wire

Intercom wire is an integral part of all NuTone radio intercom systems; such wire has been designed to enable full system performance and to minimize outside interference, dimmer noise, radio frequency interference and other reception problems. If wire other than NuTone specified wire is used in the installation of a NuTone Radio Intercom, the Warranty shall not be applicable to any defect or problem relating to the use of non-NuTone specified wire.