Wiring A Nutone Doorbell - Ideal For Challenging Weather Conditions. NuTone Knock can handle the sweltering heat of the desert or the extreme cold of the upper Midwest.. NuTone PB7LSN Wired One-Lighted Door Chime Push Button, Satin Nickel - Doorbell Push Buttons - Amazon.com. Wireless Door Chimes. No wires, no problem! NuTone’s wireless chimes install in just minutes, with no wires to run. Choose the perfect chime for various parts of your home such as a wireless doorbell with a strobe light in areas with more noise, like a living room..
Doorbell transformers sold by Heath Zenith and Broan Nutone include terminals labeled for 24 volts as well as lower settings of 8V, 10V, 16V and 20V. While older transformers topped out at 8 to 16.