Source: Lock Industry Standards and Training
(LIST) Council
Edge Bore
(n.) A hole drilled into the edge of
a door where a bored or interconnected
lockset is to be installed.
Source: Lock Industry Standards and Training
(LIST) Council
Edge Pull
(n.) A handle mounted on, or in, the
edge of a sliding or pocket door for
gripping to pull the door closed.
Source: Lock Industry Standards and Training
(LIST) Council
Educational Occupancy
(n.) Those buildings or areas which are
designated as places for education purposes
according to life safety or building
codes.
Source: Lock Industry Standards and Training
(LIST) Council
Effective Plug Diameter
(n.) The dimension obtained by adding
the root depth of a key cut to the length
of its corresponding bottom pin which
establishes a perfect shear line. This
will not necessarily be the same as the
actual plug diameter.
Source: Lock Industry Standards and Training
(LIST) Council
Effective Throw
(n.) The distance a deadlatch remains
projected when the guard bolt has been
engaged and end pressure is applied to
the latch.
Source: Lock Industry Standards and Training
(LIST) Council
EIA
(abb.) Electronics Industry Association
Source: Lock Industry Standards and Training
(LIST) Council
Ejector Hole
(n.) A hole found on the bottom of certain
interchangeable cores under each pin
chamber. It provides a path for the ejector
pin.
Source: Lock Industry Standards and Training
(LIST) Council
Ejector Pin
(n.) A tool used to drive all the elements
of a pin chamber out of certain interchangeable
cores.
Source: Lock Industry Standards and Training
(LIST) Council
Elbow Catch
(n.) An "L" shaped latching
mechanism typically mounted to the inside
of the inactive leaf of a pair of cabinet
doors.
Source: Lock Industry Standards and Training
(LIST) Council
Electric Strike
(n.) An electro-mechanical strike, which
secures or releases the latch via applied
current.
Source: Lock Industry Standards and Training
(LIST) Council
Electrified Lockset
(n.) A lock which is controlled electrically.
Source: Lock Industry Standards and Training
(LIST) Council
Electronic Access Control
(n.) Access control that uses electricity.
Source: Lock Industry Standards and Training
(LIST) Council
Emergency Code
(n.) In an electronic lock, a factory-set
or user-set code or combination that
will open the lock a predetermined number
of times.
Source: Lock Industry Standards and Training
(LIST) Council
Emergency Key
(n.) The key which operates a privacy
function lockset.
Source: Lock Industry Standards and Training
(LIST) Council
Emergency Master Key
(n.) A special master key which usually
operates all guestroom locks in a hotel
master key system at all times, even
in the shut out mode. This key may also
act as a shut out key.
Source: Lock Industry Standards and Training
(LIST) Council
EMK
(abb.) Emergency Master Key
Source: Lock Industry Standards and Training
(LIST) Council
End Cap
(n.) The cover typically used on the
hinge side edge of many touch bar exit
devices.
Source: Lock Industry Standards and Training
(LIST) Council
End Ward
(n.) A ward which prevents complete insertion
and/or rotation of an incorrect key by
forming an obstruction to the end of
the key.
Source: Lock Industry Standards and Training
(LIST) Council
End Ward Cut
(n.) Any cut made into a key to bypass
an end ward.
Source: Lock Industry Standards and Training
(LIST) Council
ENG
(abb.) Engineer's Key
Source: Lock Industry Standards and Training
(LIST) Council
Engineer's Key
(n.) A selective master key which is
used by maintenance personnel to operate
many locks under different master keys
in a system of three or more levels of
keying.
Source: Lock Industry Standards and Training
(LIST) Council
Entrapment Key
(n.) A key designed to be captured by
a cylinder after insertion.
Source: Lock Industry Standards and Training
(LIST) Council
Entry/Exit Delay
(n.) An alarm or access control feature
which allows a specific time lapse between
the activation of a switch and the activation
of a secondary component.
Source: Lock Industry Standards and Training
(LIST) Council
ERD
(abb.) External Relocking Device
Source: Lock Industry Standards and Training
(LIST) Council
Escutcheon
(n.) A surface mounted trim which enhances
the appearance and/or security of a lock
installation.
Source: Lock Industry Standards and Training
(LIST) Council
Espagnolette
(n.) A top and bottom locking system
with hooks at either end which rotate
to draw a door or window fully closed.
Source: Lock Industry Standards and Training
(LIST) Council
Exit Alarm
(n.) An annunciator that signals the
opening of an exit door.
Source: Lock Industry Standards and Training
(LIST) Council
Exit Device
(n.) A door lock/latch mechanism which
releases in the direction of exit travel
via a bar or panel extending across the
major width of the door.
Source: Lock Industry Standards and Training
(LIST) Council
Exit Door
(n.) 1. A door which has no provision
for ingress.
(n.) 2. A door which fills some or all
the code requirement for safe egress
of the occupant load from a building
or portion of a building.
Source: Lock Industry Standards and Training
(LIST) Council
Exit Only
(adj.) Refers to hardware designed to
secure an opening in such a way as to
permit exit at all times but prevent
entry at all times.
Source: Lock Industry Standards and Training
(LIST) Council
Exit Travel, Direction Of
(n.) The way occupants are expected to
move to get out of a building or a portion
of a building.
Source: Lock Industry Standards and Training
(LIST) Council
Expansion Specification
(n.) A requirement for bittings to be
planned beyond the immediate needs of
a keying system.
Source: Lock Industry Standards and Training
(LIST) Council
Extended Lip Strike
(n.) A strike with a (usually curved)
leading edge that protrudes to or beyond
the edge of the jamb.
Source: Lock Industry Standards and Training
(LIST) Council
Extension Flush Bolt
(n.) A flush bolt that has a separate
escutcheon and faceplate.
Source: Lock Industry Standards and Training
(LIST) Council
Extension Link
(n.) A device which is used to extend
the backset of a spring latch or dead
latch.
Source: Lock Industry Standards and Training
(LIST) Council
External Relocking Device
(n.) A device outside the lock case that
prevents the safe door from being opened
after attack, two types are typically
used, active and passive.
Source: Lock Industry Standards and Training
(LIST) Council
Extractor Key
(n.) A tool which normally removes a
portion of a two-piece key or blocking
device from a keyway.
Source: Lock Industry Standards and Training
(LIST) Council
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