October 20, 2016 – The National Electrical Manufacturers Association (NEMA) has re-released NEMA WD 7-2011 (R2016) Occupancy Motion Sensors Standard, which “promotes uniformity in the use and application of occupancy motion sensors used in lighting control systems, HVAC and other devices”.

NEMA says no changes were made to the document.

This standard explains field of view and coverage characteristics relevant to vacancy and occupancy sensors using passive infrared, ultrasonic or microwave technology.  

NEMA WD 7-2011 (R2016) is available in hard copy for $44 or as an electronic download at no cost on the NEMA website.