Jasco Enbrighten Z-Wave No-Neutral Smart Dimmer review: Way too quirky
The sell is simple: Rather than requiring four wires, this switch only needs three to work: line, load, and ground. Even better, with the Enbrighten dimmer you don’t need to worry which wire is the line (bringing electricity to the dimmer) and which is the load (sending electricity to the light fixture). Thanks to Jasco’s SimpleWire technology, which we previously encountered in its Zigbee smart dimmer, this Z-Wave Plus switch can identify the line and load wires all on its own; so you can plug those two wires into either of the primary wire holes. There are also no pigtails and wire nut...
Source: techhive.com