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Awning/Hopper Window: The window is hung/connected at the top of the frame and generally opens outwards.


Backcheck: the resistance provided by a door closer as a door is opened.

Backplate: The plate located on the inside of a door, allowing the cylinder connecting screws and tailpiece to pass through.

Backset: The distance from the edge of the door to the centre line of the keyhole, or the central axis of the doorknob or handle.

Bandwidth: The maximum data transfer rate of an internet connection or network.

Barrel: A portion of the cylinder that rotates when the key is inserted and turned.

Bolt: The part of the lock or latch which provides the fastening by extending out from its case to engage in the staple/striking plate, link or other members.

Biometrics: A reader or scanning device used to identify distinct human characteristics for authentication.

Blank key: a plain key before any cuts are made.


CCTV: Short for Closed-Circuit Television, where cameras are used to send signals to a specific set of monitors.

Coupler: A device that is used in conjunction with a trailer ball, allowing your vehicle and trailer to turn corners without disconnecting.

Cylinder: a unit housing disk tumblers, springs, and other necessary parts.

Cylinder rose: Also known as a cylinder ring. This is a metal disc which surrounds the outer face of the cylinder.


Deadbolt: A bolt engaged by turning a knob or key, rather than by a spring.

Deadlatch: Is a spring-bolt latch where the bolt will self deadlock. It can be retracted by turning either the doorknob or key.

Deadlock: A lock having only a square ended deadbolt. Can be operated from one or both sides by key or outside by only key and inside by snib.

Dip switch: A type of garage door remote that is identifiable by a bank of 8,10 or 12 small switches in the remote, matching to the garage door receiver.

Door closer: A device that automatically closes a door or gate.


Electric strike: Usually used in commercial & industrial settings. It is an electromechanical door locking device, that works in conjunction with cylindrical locksets, mortise locks, or rim exit devices.

Escutcheon: The cover for the key hole in a mortice lock.


Fixed code: A type of garage door remote that transmits one fixed code to its matching garage door receiver.

Floodlight: Can have a beam width of up to 120 degrees and as such, are used to illuminate a broader area.


Hasp: A hinged metal plate that is fitted a loop. They are used in conjunction with a padlock to fasten doors.

Hopper window: See Awning.

Hopping code: See Rolling Code.

Hub: A central control panel where users can manage an entire system, such as lights, locks, alarms etc.


IP Rating: Short for Ingress Protection, consists of two digits. The first digit is for solids protection and the second digit is for liquids protection. With 0 being not protected to 8 offering high or complete protection.


Keyed Alike: The same key can operate a set of locks within the system.

Keyed to Differ: Each key can only operate a single lock in the system.


Latch: Is a single bolt to latch or fasten the door. It is not capable of being locked.

Lockset: Is a complete lock system, that includes knobs/lever, plates and other accessories


Master Keyed: The key can operate on all the keys in the system.

Mortice (Mortise) lock: Is a type of lock that is fitted into the door, rather than being attached to one side of the door. This requires a hole to be cut into the edge of the door.


Passage set: a latch set with handles on both sides and no locking mechanism.

POE: Short for Power over Ethernet. It is a technology that lets network cables carry electrical power as well as network data.


Rolling code: A type of garage door remote. Also known as a Hopping code. The remote will choose a new code every time a button is pushed to either open or close a garage door.


Sash/Double hung window: Features two window panes, one is fixed and other can be shifted vertically within the frame.

Shackle: The hinged, sliding or swivelling loop of a padlock.

Sliding window: Features two window panes, one is fixed and the other can be shifted horizontally within the frame.

Snib: A manually operated catch. Using this mechanism prevents key holders from using the lock, or allows the door to be closed without the lock engaging.

Spotlight: Usually casts a narrow beam of light, with a width of no more than 45 degrees. Used to illuminate a specific spot.


TSA Approved: Allows Transport Security Administration to safely open/close the lock where required, through the use of a master key. This type of lock is mandatory for travel within, to and from the USA.


U-Lock: Also known as a D-Lock. A rigid shackle to secure items such as bicycles.


Z-Wave: A wireless network designed by Zensys Inc. to provide a streamlined communication between devices in a home control network.

Zigbee: An open global standard for wireless technology operating on the IEEE 802.15.4 specification. It is designed to use low-power digital radio signals for personal area networks, such as home automation.