RustyShackleford
Senior Member
- Location
- NC
- Occupation
- electrical engineer
This Lutron Meastro occupancy-sensing switch boasts that no neutral is required. In addition to the line and load wires, the switch has a bare wire and a green one, and the instructions say to connect both to the box's ground.
http://pdf.lowes.com/installationguides/027557983136_install.pdf
This seems most odd to me. I thought the whole point of 404.2C (requiring a neutral in every switch box, with some exceptions), is that when "smart" devices such as this are installed, that no currents are introduced into the EGC system. Is the operating current of the logic in the switch so low that it's been deemed acceptable to have such currents flowing through EGC ?
Odder still is that they don't even suggest to use a neutral if there happens to be one in the switch box.
http://pdf.lowes.com/installationguides/027557983136_install.pdf
This seems most odd to me. I thought the whole point of 404.2C (requiring a neutral in every switch box, with some exceptions), is that when "smart" devices such as this are installed, that no currents are introduced into the EGC system. Is the operating current of the logic in the switch so low that it's been deemed acceptable to have such currents flowing through EGC ?
Odder still is that they don't even suggest to use a neutral if there happens to be one in the switch box.