For gate operators utilizing contact sensors:
1. One or more contact sensors shall be located where the risk of entrapment or
obstruction exist, such as at the leading edge, trailing edge, and post mounted both
inside and outside of a vehicular horizontal slide gate.
2. One or more contact sensors shall be located at the bottom edge of a vehicular
vertical lift gate.
3. One or more contact sensors shall be located at the pinch point of a vehicular vertical
pivot gate.
4. A hardwired contact sensor shall be located and its wiring arranged so that the
communication between the sensor and the gate operator is not subjected to
mechanical damage.
5. A wireless contact sensor such as one that transmits radio frequency (RF) signals to
the gate operator for entrapment protection functions shall be located where the
transmission of the signals are not obstructed or impeded by building structures,
natural landscaping or similar obstructions. A wireless contact sensor shall function
under the intended end-use conditions.
7. One or more contact sensors shall be located at the bottom edge of a vertical barrier
(arm).
9210-065-H-8-08 Page 9