Source: Lock Industry Standards and Training
(LIST) Council
ICBO
(abb.) International Conference of Building
Officials
Source: Lock Industry Standards and Training
(LIST) Council
Ignition Key Release
(n.) A button or other actuator which
must be pushed before a vehicle's ignition
key may be turned to the withdrawal position.
Source: Lock Industry Standards and Training
(LIST) Council
Ignition Lock
(n.) The lock assembly associated with
a vehicle's engine on off switch and
starter.
Source: Lock Industry Standards and Training
(LIST) Council
Ignition Puller
(n.) A tool for removing an ignition
cylinder by pulling outward on it.
Source: Lock Industry Standards and Training
(LIST) Council
ILA
(abb.) Institutional Locksmiths Association
Source: Lock Industry Standards and Training
(LIST) Council
ILCP
(abb.) “Institutional Locksmith
Certification Program”; a locksmith
certification program administered by
ILA.
Source: Lock Industry Standards and Training
(LIST) Council
Impression
(n.) 1. The mark made by a tumbler on
its key cut.
(v.) 2. To fit a key by the impression
technique.
Source: Lock Industry Standards and Training
(LIST) Council
Impression Technique
(n.) A means of fitting a key directly
to a locked cylinder by manipulating
a blank in the keyway and cutting the
blank where the tumblers have made marks.
Source: Lock Industry Standards and Training
(LIST) Council
Impressioning Tool
(n.) 1. A tool designed to hold a key
blank while making a key by the impression
method.
(n.) 2. A tool which fits into a keyway
and holds a material that accepts impression
marks easily.
Source: Lock Industry Standards and Training
(LIST) Council
Inactive Case
(n.) The exit device case mounted on
the stile opposite the lock stile.
Source: Lock Industry Standards and Training
(LIST) Council
Inactive Door
(n.) The door of a pair, which is secondary
in usage and is normally locked by surface
or flush bolts.
Source: Lock Industry Standards and Training
(LIST) Council
Incidental Master Key
(n.) A key cut to an unplanned shear
line created when the cylinder is combinated
to the top master key and a change key.
Source: Lock Industry Standards and Training
(LIST) Council
Increment
(n.) A usually uniform increase or decrease
in the successive depths of a key cut
which must be matched by a corresponding
change in the tumblers.
Source: Lock Industry Standards and Training
(LIST) Council
Independent Custody
(n.) 1. A function of a locking mechanism
that allows separate access by either
of two different people, each with a
different type method of opening and
closing the lock.
(adj.) 2. Pertaining to such a function.
Source: Lock Industry Standards and Training
(LIST) Council
Index (Of A Combination Lock Dial)
(n.) The mark outside the dial ring of
a combination lock used as a reference
point.
Source: Lock Industry Standards and Training
(LIST) Council
Indicator
(n.) A device which provides visual evidence
that a deadbolt is extended or that a
lock is in the shut out mode.
Source: Lock Industry Standards and Training
(LIST) Council
Individual Key
(n.) An operating key for a lock or cylinder
which is not part of a keying system.
Source: Lock Industry Standards and Training
(LIST) Council
(n.) That part of a mesh change or key
change combination wheel that makes direct
contact with the wheel post.
Source: Lock Industry Standards and Training
(LIST) Council
Integral Lockset
(n.) A lockset that combines two or more
different mounting or operational methods,
typically key-in-knob and mortise.
Source: Lock Industry Standards and Training
(LIST) Council
Interchangeable Core
(n.) A key removable core which can be
used in all or most of the core manufacturer's
product line. No tools (other than the
control key) are required for removal
of the core.
Source: Lock Industry Standards and Training
(LIST) Council
Interconnected Lockset
(n.) A lockset whose trim provides a
means of simultaneous retraction of two
or more bolts which may also be operated
independently.
Source: Lock Industry Standards and Training
(LIST) Council
Interlocking Bolt
(n.) A bolt which interlocks with its
strike when fully engaged.
Source: Lock Industry Standards and Training
(LIST) Council
Interlocking Pin Tumbler
(n.) A type of pin tumbler which is designed
to be linked together with all other
tumblers in its chamber when the cylinder
plug is in the locked position.
Source: Lock Industry Standards and Training
(LIST) Council
Intermittent Duty
(adj.) Of or pertaining to an electric
strike or lock not designed to be energized
for extended periods of time.
Source: Lock Industry Standards and Training
(LIST) Council
Internal Relocking Device
(n.) A device inside a safe lock case
that prevents the lock bolt from being
retracted after attack.
Source: Lock Industry Standards and Training
(LIST) Council
IP
(abb.) Internet Protocol
Source: Lock Industry Standards and Training
(LIST) Council
IR
(abb.) Infrared
Source: Lock Industry Standards and Training
(LIST) Council
IRD
(abb.) Internal Relocking Device
Source: Lock Industry Standards and Training
(LIST) Council
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