CEDIA ESPA EST Practice Test

Answer - D - A wall-mounted motion detector should be placed seven feet from the ground.

Key Takeaway: A wall mounted motion sensor should be placed at any height between 5.5 to 10 feet. The justification behind this height is that the sensor should be able to detect an average person’s height and the 5.5 to 10 feet provides the distance range of coverage of 35 feet in length.