As is typical with smart switches you need the neutral wire in both locations to keep the smart stuff always on. Three way switches are always used in pairs and include special wiring connections.
Wiring A 3 Way Switch
Do both switches need to be 3 way. This may be a better solution for some though more expensive. You could also use 2 smart switches in the 3 way locations and not wire them as a 3 way but give one of them full electrical control of the light and just power the other one up to mirror the behavior of the master via z wave. Some dimmer switches are set on a 3 way switch. When they do the switch may work when the toggle is up or down but not in both positions. The photo shows a dimmer switch that can be used as a single pole switch or as a three way switch. These switches fail in time due to overheating.
They are often found in large rooms as well. Here are another couple of variations of 3 and 4 way switch circuits. I added these to my stairs for the light on the top landing ceiling light. Most 3 way dimmer switches provide multi location dimming capability. Do read the. 3 way dimmer switches if youre replacing two 3 way light switches at the top and bottom of a stairwell or at either end of a hallway you might think you need two 3 way dimmer switches but you actually only need one.
This can make you think two wires are in each others place but the switch simply needs to be replaced. You can also add as many 4 way switches as you like in place of any one shown in the circuits that follow. The three way switch is a variation of the standard single pole switch which controls a light only from one location. These types of switches are common in hallways and staircases. All the 4 way switches are optional. A third type is the four way switch which is used in conjunction with two three way switches to control lighting from more than two locations.
This means that the lights can be turned on and off from the dimmer switch as well as another light switch. If you only need two switches leave out both the 4 way switches. If you would like to have the dimming capability from both locations then make sure to install a pair of dimmers with this capability otherwise a single dimmer may be installed and the level of lumen output will be controlled by the one dimmer switch from both the switch and dimmer location. Yes they do and they are different types also. When using a 3 way dimmer switch you should only have one dimmer on the circuit.
Gallery of Do Both Switches Need To Be 3 Way
