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| GLOSSARY |
Occupancy Type
- (adj.) The use to which an area of a building is put with reference to the prevailing life safety or building code.
Source: Lock Industry Standards and Training (LIST) Council
Odometer Method
- (n.) A means of progressing key bittings using a progression sequence of right to left.
Source: Lock Industry Standards and Training (LIST) Council
Oe
- (abb.) Oersted
Source: Lock Industry Standards and Training (LIST) Council
Oersted
- (n.) A unit of magnetic field strength which is commonly used in the magnetic recording industry.
Source: Lock Industry Standards and Training (LIST) Council
Offset Cam
- (n.) A cam which is bent to have its ends in different planes.
Source: Lock Industry Standards and Training (LIST) Council
Oil Cup
- (n.) A receptacle for lubricant on a machine.
Source: Lock Industry Standards and Training (LIST) Council
One Bitted
- (adj.) Of or pertaining to a cylinder which is or is to be combinated to keys cut to the manufacturer's reference number one bitting.
Source: Lock Industry Standards and Training (LIST) Council
One Column Progression
- (n.) A process wherein key bittings are obtained by using the cut possibilities in one column of the key bitting array.
Source: Lock Industry Standards and Training (LIST) Council
One Pin Master Key
- (n.) A master key for all combinations obtained by progressing only one bitting position.
Source: Lock Industry Standards and Training (LIST) Council
One Shot
- (adj.) Of or pertaining to a wire run that has an unobstructed line of sight.
Source: Lock Industry Standards and Training (LIST) Council
One-Way Deadbolt
- (n.) A deadbolt operable from only one side of a door.
Source: Lock Industry Standards and Training (LIST) Council
Open Back Strike
- (n.) A strike, typically used on double door applications, that has an unenclosed opening opposite the lip edge.
Source: Lock Industry Standards and Training (LIST) Council
Open Face Dial
- (n.) A combination lock actuator designed to have all the numbers visible at once.
Source: Lock Industry Standards and Training (LIST) Council
Open Gated
- (adj.) Pertaining to a lever tumbler whose gate is in the edge of the tumbler.
Source: Lock Industry Standards and Training (LIST) Council
Open Loop
- (n.) A detection circuit where continuity between branches will result in a reportable condition.
Source: Lock Industry Standards and Training (LIST) Council
Opening Index
- (n.) The index or mark to which a combination is dialed in order to effect an opening.
Source: Lock Industry Standards and Training (LIST) Council
Operating Key
- (n.) Any key which will properly operate a lock or cylinder to lock or unlock the lock mechanism and is not a control key or reset key.
Source: Lock Industry Standards and Training (LIST) Council
See also: “change key”
Operating Shear Line
- (n.) Any shear line which allows normal operation of a cylinder or lock.
Source: Lock Industry Standards and Training (LIST) Council
Original Key Blank
- (n.) A key blank supplied by the lock manufacturer to fit that manufacturer's specific product.
Source: Lock Industry Standards and Training (LIST) Council
Out of Time
- (adj.) Of or pertaining to a condition where a mechanical part is misoriented and cannot function correctly.
Source: Lock Industry Standards and Training (LIST) Council
Overhead Concealed Closer
- (n.) A closer designed for installation out of view in the door header area.
Source: Lock Industry Standards and Training (LIST) Council
Overhead Stop
- (n.) A door stop which contacts the door near the top.
Source: Lock Industry Standards and Training (LIST) Council
Override Code
- (n.) In an electronic lock, a factory-set or user-set combination that will always open the lock.
Source: Lock Industry Standards and Training (LIST) Council
Override Combination
- (n.) In certain locks with a user changeable combination, a second combination which allows access at all times. It is usually factory set and may not be field changeable.
Source: Lock Industry Standards and Training (LIST) Council
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