Table 5.17 -- EDCS Classifications whose label begins with N
| Label | Definition | Related concepts | Code |
| NAMED_LOCATION | A geographic place, not normally appearing as a specific characterization on a map, but having a name that is required to be placed on a map. | 552 | |
| NATIONAL_PARK | An extensive region of a particular nature, which has been defined by law and is to be protected as a whole; it meets the prerequisites of a nature reserve for the largest part and has been influenced by man at most only to a small extent. | EC BOTANICAL_GARDEN, EC LOCAL_PARK, EC NATURE_RESERVE, EC REGIONAL_PARK | 553 |
| NATIVE_SETTLEMENT | A concentration of native dwellings, generally of the hut type, which are not usually of substantial construction. | EC SETTLEMENT | 554 |
| NATURAL_AIR_OBSTRUCTION | An existing object of natural growth, or terrain at a fixed location, within a prescribed region (e.g., adjacent to an airport) with reference to which vertical clearance is, or must be, provided during flight operations. | 555 | |
| NATURE_RESERVE | A site or region that has been legally defined and whose nature and landscape requires special protection, be it in part or as a whole, in order to preserve symbioses or biotypes of specific wildlife animals or plants, for scientific reasons or reasons of natural or geographic history, or because of their rareness, uniqueness or outstanding beauty. | 556 | |
| NAUTICAL_GATE | A structure that may be swung, drawn, or lowered to block an entrance or passageway on a waterway. | 557 | |
| NAUTICAL_OBSTRUCTION | A danger to maritime navigation, the exact nature of which is not specified, or has not been determined. | 558 | |
| NAVIGATION_BUOY | A floating object, other than a lightship, moored or anchored to the bottom and serving as an aid to navigation. | 559 | |
| NAVIGATION_LIGHT | A specially constructed device that displays a luminous or lighted aid to navigation. | EC LIGHTHOUSE, EC LIGHTSHIP | 560 |
| NAVIGATION_LINE | A line between two navigational aids and which extends towards the region of navigational interest. | 561 | |
| NAVIGATION_MARKER | A coloured (usually white) mark on a cliff, rock, wall, or other vertical surface that is a conspicuous landmark for marine navigation. | 562 | |
| NAVIGATIONAL_MARK_AFLOAT | A floating structure providing a navigational reference point. | 563 | |
| NAVIGATIONAL_MARK_FIXED | A fixed structure providing a navigational reference point. | 564 | |
| NEARSHORE_PRECISE | The strip of land which is located between the 10 metre depth curve, and the low water line defined by either mean low water springs or mean lower low water as defined by the National Authority. | EC BACKSHORE_PRECISE, EC FORESHORE, EC FORESHORE_PRECISE, EC SHORE, EE SOUNDING_DATUM MEAN_LOW_SPRINGS, EE SOUNDING_DATUM MEAN_LOWER_LOW | 565 |
| NETWORK | A system of inter-connected objects of either the same type, or directly related types. | 566 | |
| NEWSPAPER_PLANT | A building used in the printing, collating, storage, or distribution of a publication, usually issued daily or weekly, containing current news, editorials, feature articles, and usually advertising. | 567 | |
| NON_CHRISTIAN_WORSHIP_PLACE | A building that provides shelter for non-Christian religious ceremonies or worship. | EC CHURCH, EC WORSHIP_PLACE | 568 |
| NON_COMMUNICATION_TOWER | A relatively tall structure that may be used for observation, support, storage, or other non-communication purposes. | EC CONTROL_TOWER, EC COOLING_TOWER, EC WATER_INTAKE_TOWER, EC TOWER, EC WATER_TOWER | 569 |
| NON_HUMAN_ANIMAL | A non-human animal. | EC CIVILIAN_PERSONNEL, EC MILITARY_PERSONNEL | 570 |
| NUCLEAR_REACTOR | An apparatus in which a nuclear chain reaction is initiated, sustained, and controlled; also used to define a nuclear reactor that may be contained within a power plant. | EC POWER_PLANT | 571 |
| NULL | A null classification code provided for information processing applications. | 572 |