For instance a latch or some other fastening device is a requirement for doors with a simple releasing device.
Magnetic locks on exit doors.
Key fobs and card reader units release switches digital keypads and emergency break glass units.
And of course the maglocks can be released automatically by a fire alarm system in case of fire.
This could be panic hardware or a latchset with a request to exit rx switch or a bar with an electronic touch sensor.
A fail secure locking device remains locked when power is lost.
Nfpa emergency exit door requirements for locks.
Applies to entrance doors in a means of egress and entrance doors to tenant spaces.
This includes the access control lock or fire exit hardware power transfer door position switch or any other component mounted on the door or frame.
There are additional sections that apply to delayed egress locks controlled egress locks in health care facilities stairwell reentry and fail safe locks on elevator lobby doors nfpa 101 only.
Electromagnetic locks maglocks stairwell re entry.
The most common miss reading of these codes that we see is ahcs using the code for elevator lobby hold open magnets.
There are two main types of electric locking devices.
Locking devices can be either fail safe or fail secure.
1008 1 4 4 access controlled egress doors.
The maglock devices are powered by a 12v power supply.
Any product used as part of a fire door assembly must be listed for that use.
An electromagnetic lock magnetic lock or maglock is a locking device that consists of an electromagnet and an armature plate.
And one that can be easily used at all light levels.
For a range of other access.