Table 5.8 -- EDCS Classifications whose label begins with E
| Label | Definition | Related concepts | Code |
| EARLY_WARNING_RADAR_SITE | An installation utilizing long-range radar to detect approaching aircraft or missiles. | 265 | |
| EDDIES | Circular movements of fluid running contrary to the main flow, usually formed where currents pass obstructions, between two adjacent currents flowing counter to each other, or along the edge of a permanent current. | EC OCEAN_EDDY | 266 |
| ELECTRICAL_CABLE | An insulated wire, or group of wires, formed into one continuous strand, located underground or underwater. | EC BURIED_POWER_TRNS_LINE, EC OVERHEAD_CABLE, EC POWER_TRNS_LINE, EC ELECTRICAL_SGNL_LINE | 267 |
| ELECTRICAL_SGNL_LINE | A system of above ground wires, including their supports, which transmit electrical signals over distance, e.g., a telegraph or telephone line. | EC CABLE, EC OVERHEAD_CABLE | 268 |
| ELECTRICAL_SGNL_LINE_PYLON | A pylon or pole used to support an electrical signal wire, e.g. for telephony or telegraphy. | EC ELECTRICAL_SGNL_LINE, EC POWER_TRNS_LINE_PYLON | 269 |
| ELECTRIFIED_RAILROAD_PYLON | A pylon or pole used to support a power transmission line associated with an electrified railroad. | EC RAILROAD | 270 |
| EM_MATERIAL_CHARSET | A set of electromagnetic characteristics of the material composing an object, e.g., reflectivity. | 271 | |
| EMBANKMENT | A ridge constructed of earth, rock, or other materials, built to carry a highway or railroad track to a higher elevation than the surrounding terrain. | EC DYKE_CROWN | 272 |
| EMBANKMENT_OR_FILL | A raised or levelled tract of earth or other material. May be further delineated specifically as EC EMBANKMENT or EC FILL_SITE. | 273 | |
| EMBASSY | A building housing the office of an ambassador or their staff. | EC EMBASSY_COMPOUND | 274 |
| EMBASSY_COMPOUND | An enclosed site containing one or more buildings, housing the offices of an ambassador and their staff. | EC AMBASSADORIAL_RESIDENCE, EC EMBASSY | 275 |
| ENGINE_TEST_CELL | A structure wherein engines are tested. | 276 | |
| ENGINEER_BERM | An artificial mound or ridge of earth, which may be placed to enclose and protect equipment, stabilize an adjacent structure, or to stop the movement of ground vehicles. | EC EMBANKMENT, EC ENGINEER_DITCH | 277 |
| ENGINEER_BRIDGE | A temporary structure spanning and providing passage over a body of water, depression, or other obstacles. | EC BRIDGE | 278 |
| ENGINEER_DITCH | A long, narrow, relatively shallow excavation in the earth, dug for drainage or irrigation, to bury pipes, wires, or cables, or for various other purposes. | EC ENGINEER_BERM, EC MILITARY_TRENCH, EC TERRAIN_CUT | 279 |
| ENGINEER_DITCH_AND_OR_BERM | An engineered ditch or berm or combination ditch/berm, usually placed to turn, slow, or stop the movement of ground vehicles. May be further delineated specifically as EC ENGINEER_DITCH or EC ENGINEER_BERM. | 280 | |
| ENTRANCE | A gate, passage or door that leads in to an enclosed space. | EC EXIT | 281 |
| ENTRANCE_OR_EXIT | A point of ingress or egress. May be further delineated specifically as EC ENTRANCE or EC EXIT. | EC DEFENSIVE_POSITION, EC EXTRACTION_MINE, EC TUNNEL | 282 |
| EQUIPMENT_COMPONENT | A component or a vehicle or other piece of equipment, i.e., those objects which are only fully functional when composed into other vehicle or equipment objects, e.g., a vehicle turret, gun barrel, propeller, rotor, wing, wheel, tread, cab, engine, or smokestack. | 283 | |
| ESCARPMENT | A steep, vertical, or overhanging face of rock or earth, e.g., bluff, cliff, or escarpment. | EC FAULT | 284 |
| ESKER | A long, narrow ridge of sand and gravel deposited by a glacial stream. | 285 | |
| ESTUARY | An arm of the sea that extends inland to meet the mouth of a river, which includes a mixture of fresh and salt water. | EC SEA | 286 |
| EXHIBITION_GROUNDS | A site where permanent facilities exist to hold outdoor exhibitions. | EC AMUSEMENT_PARK, EC FAIRGROUNDS, EC PARK | 287 |
| EXIT | A gate, passage or door that leads out of an enclosed space. | EC ENTRANCE | 288 |
| EXPANSION | A point where a passageway, channel, or route widens beyond its normal width. | EC CONSTRICTION | 289 |
| EXPLOSIVE_CHARGE | An explosive device, that may be detonated to either damage or destroy structures, or to move rock, soil, or other terrain surface materials. | EC EXPLOSIVE_LAND_MINE, EC EXPLOSIVE_NAVAL_MINE | 290 |
| EXPLOSIVE_LAND_MINE | An explosive device used in land warfare, located on or below the land surface. | EC EXPLOSIVE_CHARGE, EC EXPLOSIVE_NAVAL_MINE, EC MINEFIELD | 291 |
| EXPLOSIVE_NAVAL_MINE | An explosive device used in naval warfare, located on or below the sea surface. | EC EXPLOSIVE_CHARGE, EC EXPLOSIVE_LAND_MINE, EC MINEFIELD | 292 |
| EXPOSED_BEDROCK | A site consisting principally of bare rock, which is covered by little or no loose material (less than 10 percent) such as soil, sand, clay, or gravel. | 293 | |
| EXTRACTION_MINE | An excavation made in the terrain for the purpose of extracting natural deposits. | EC ENTRANCE, EC EXIT | 294 |