Choose in-wall Z-Wave switches for a built-in lighting installation, plug-in switches for lamps or small appliances connected to an existing receptacle, and auxiliary switches for three-way control when paired with a compatible primary switch or module. Choose an outdoor Z-Wave switch for exterior devices or larger loads, such as landscape lighting, pumps, spas, or water heaters, when its installation and electrical requirements match the project.

Check the load type, required electrical rating, installation format, and environment, such as in-wall, plug-in, indoor, or outdoor use, and confirm whether you need on-off control, dimming, or three-way operation. Verify that the switch works with your Z-Wave hub or control panel, supports the intended scenes, schedules, and automations, and matches the wiring available at the installation location.

Many Z-Wave switches can connect with Z-Wave-certified hubs, gateways, and security control panels, while compatible voice assistant control depends on the hub and system setup. Check the switch and controller documentation for Z-Wave certification, supported features, and platform compatibility before installation.

Z-Wave switches may be plug-in devices, in-wall controls, auxiliary three-way switches, or weatherproof outdoor switches, so installation requirements vary by form factor and load. In-wall and high-load models may require line, load, neutral, ground, and traveler wiring, while some auxiliary three-way controls do not carry the load and can be installed where power is available without a traveler wire; follow the product instructions and applicable electrical codes.