Diamond Knowledge Base

All 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Word	Description
EAL	Equivalent Axle Load
Eddy Current	An electric current induced within the body of a conductor when that conductor moves through a nonuniform magnetic field.
Effective Loop Area	See Zone of Detection.
Encapsulation	The process of filling the saw slot with sealant to surround the wires int eh slot and protect them from traffic, weather, etc.
EPA	Environmental Protection Agency
EPDM	EPDM Synthetic Road Tube
Epoxy	A resin used in bonding.
ESAL	Equivalent Single Axle
Extend Call Timing	A detector with carryover output. It holds or stretches the call of a vehicle for a period of seconds that has been set on an adjustable timer incorporated into the detectors. It can be designed to begin the timing of that period when the vehicle enters the detection are, or when it leaves (NEMA). Also referred to as a "Stretch Detector".
Extended Call Detector	When selected, this detector extends the output (see Carryover Output) after the vehicle departs the zone of detection for a preset time.
Extension Limit	The maximum length of time that the actuations on any traffic phase may retain the right-of-way after an actuation on an opposing traffic phase. Also know as maximum green.