The Family Handyman on MSN13d
How To Wire a Second Doorbell Chime
Can't hear the doorbell from the back of the house? It's easy to correct that by adding a second doorbell chime.
Many video doorbells can optionally be powered by the wiring of your existing chime, but doing so will likely remove the chime’s original function.
but this wiring is used to provide the video doorbell with power (since the chime gets its power from the mains) and not to make the chime ring. If you choose to install your video doorbell this way, ...