A fail secure locking device remains locked when power is lost.
Magnetic locks on exit doors.
Here is a summary of the requirements for both sections from the 2009 ibc.
Doors are laid out so that they can be opened from the outside when the building is occupied.
This could be panic hardware or a latchset with a request to exit rx switch or a bar with an electronic touch sensor.
And one that can be easily used at all light levels.
Applies to entrance doors in a means of egress and entrance doors to tenant spaces.
Nfpa emergency exit door requirements for locks.
For a range of other access.
Key fobs and card reader units release switches digital keypads and emergency break glass units.
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.
Locking devices can be either fail safe or fail secure.
1008 1 4 4 access controlled egress doors.
There are two main types of electric locking devices.
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.
The maglock devices are powered by a 12v power supply.
An electromagnetic lock magnetic lock or maglock is a locking device that consists of an electromagnet and an armature plate.
Magnetic door lock kits can include the following release methods.
For instance a latch or some other fastening device is a requirement for doors with a simple releasing device.