NEMA 250 : 2014
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ENCLOSURES FOR ELECTRICAL EQUIPMENT (1000 VOLTS MAXIMUM)
Superseded date
17-02-2020
Published date
06-12-2012
1 GENERAL
2 ENCLOSURE TYPES, FEATURES, AND APPLICATIONS
3 CONSTRUCTION
4 MARKING 15
5 DESIGN TESTS
Annex A - Comparison Between NEMA Enclosure
Type Numbers and ANSI/IEC Enclosure
Classification Designations
Annex B - Descriptions, Applications, Features, and
Test Criteria of Enclosures for Hazardous
(Classified) Locations
Describes the requirements to provide protection to the enclosed equipment against specific environmental conditions.
| DocumentType |
Standard
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| PublisherName |
National Electrical Manufacturers Association
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| Status |
Superseded
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| SupersededBy |
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| EN ISO 13631:2002 | Petroleum and natural gas industries - Packaged reciprocating gas compressors (ISO 13631:2002) |
| A-A-50304 Base Document:1987 | DYNAMOMETER, ENGINE RUN-IN, 500 HORSEPOWER CAPACITY |
| MIL-PRF-32098 Revision A:2004 | ULTRAFILTRATION SYSTEM, 10-GALLON PER MINUTE OILY WASTE MEMBRANE (OWMS-10) |
| ASME A17.1 : 2016 | SAFETY CODE FOR ELEVATORS AND ESCALATORS - INCLUDES REQUIREMENTS FOR ELEVATORS, ESCALATORS, DUMBWAITERS, MOVING WALKS, MATERIAL LIFTS, AND DUMBWAITERS WITH AUTOMATIC TRANSFER DEVICES |
| MIL-PRF-30099 Revision A:2011 | TREATMENT SYSTEM, BLACKWATER AND COMBINED BLACKWATER/GRAYWATER, FOR SURFACE SHIPS |
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| MIL-PRF-32007 Base Document:2003 | OILY WASTEWATER SEPARATION SYSTEM, 6.7-GALLON PER MINUTE NAVY INTEGRATED MEMBRANE SYSTEM (NIMS) |
| IEEE 1585 : 2002 | FUNCTIONAL SPECIFICATION OF MEDIUM VOLTAGE (1-35 KV) ELECTRONIC SERIES DEVICES FOR COMPENSATION OF VOLTAGE FLUCTUATIONS |
| ANSI/AWWA D107-16 ERR 1(CSV) | COMPOSITE ELEVATED TANKS FOR WATER STORAGE |
| AWWA C542 : 2016 | ELECTRIC MOTOR ACTUATORS FOR VALVES AND SLIDE GATES |
| API 616 : 2011 | GAS TURBINES FOR THE PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES |
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| EN 62026-3:2015 | Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 3: DeviceNet |
| API 672 : 2004 | PACKAGED, INTEGRALLY GEARED CENTRIFUGAL AIR COMPRESSORS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES |
| API 613:2003 | SPECIAL PURPOSE GEAR UNITS FOR PETROLEUM, CHEMICAL AND GAS INDUSTRY SERVICES |
| MIL-PRF-32236 Base Document:2007 | GENERATOR, CHLORINE PORTABLE ELECTROLYTIC (PECG) |
| API 677 : 2006 : R2010 | GENERAL-PURPOSE GEAR UNITS FOR PETROLEUM, CHEMICAL AND GAS INDUSTRY SERVICES |
| IEEE 241 : 1990 | ELECTRIC POWER SYSTEMS IN COMMERCIAL BUILDINGS |
| API 677 :2006 | GENERAL-PURPOSE GEAR UNITS FOR PETROLEUM, CHEMICAL AND GAS INDUSTRY SERVICES |
| AWWA C670 : 2015 | ONLINE CHLORINE ANALYZER OPERATION AND MAINTENANCE |
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| BS EN 62040-1 : 2008 | UNINTERRUPTIBLE POWER SYSTEMS (UPS) - PART 1: GENERAL AND SAFETY REQUIREMENTS FOR UPS |
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| A-A-59472 Base Document:1999 | TUMBLER, DRYING, LAUNDRY (NAVAL SUBMARINE) |
| A-A-59469 Base Document:1999 | Washer-Extractor, Laundry, 35 to 200 Pound Capacity (Naval Shipboard) |
| API 682 : 2014 | PUMPS - SHAFT SEALING SYSTEMS FOR CENTRIFUGAL AND ROTARY PUMPS |
| API 677 : 2006 : R2016 | GENERAL-PURPOSE GEAR UNITS FOR PETROLEUM, CHEMICAL AND GAS INDUSTRY SERVICES |
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| AWWA F110 : 2016 | ULTRAVIOLET DISINFECTION SYSTEMS FOR DRINKING WATER |
| A-A-59713 Revision A:2004 | COMBINATION OVEN, ELECTRIC |
| MIL-PRF-32017 Base Document:1997 | REFRIGERATION SYSTEM, ADVANCED DESIGN |
| A-A-59393 Base Document:2000 | MILLING MACHINE, VERTICAL MULTISPINDLE, DOUBLE COLUMN, COMPUTER NUMERICAL CONTROL (CNC) |
| ASHRAE GUIDELINE 13 : 2014 | SPECIFYING BUILDING AUTOMATION SYSTEMS |
| IEEE/ANSI N42.38-2015 | American National Standard for Performance Criteria for Spectroscopy-Based Portal Monitors Used in Homeland Security |
| A-A-59188 Base Document:1998 | Refrigerator, Mechanical, Storage Stand (for Bulk Milk Dispensers) (Naval Shipboard) |
| ASHRAE 90.4 : 2016 | ENERGY STANDARD FOR DATA CENTERS |
| EN 62040-1:2008/A1:2013 | UNINTERRUPTIBLE POWER SYSTEMS (UPS) - PART 1: GENERAL AND SAFETY REQUIREMENTS FOR UPS (IEC 62040-1:2008/A1:2013) |
| MIL-DTL-2036 Revision E:2014 | ENCLOSURES FOR ELECTRIC AND ELECTRONIC EQUIPMENT, NAVAL SHIPBOARD |
| API 551 : 2016 | PROCESS MEASUREMENT |
| MIL-PRF-32167 Revision A:2006 | TRANSIENT VOLTAGE SURGE SUPPRESSOR (TVSS) |
| EN ISO 21049:2004 | Pumps - Shaft sealing systems for centrifugal and rotary pumps (ISO 21049:2004) |
| IEEE C93.4-2012 | IEEE Standard for Power-Line Carrier Line-Tuning Equipment (30 kHz to 500 kHz) Associated with Power Transmission Lines |
| A-A-59471 Base Document:1999 | Dry Cleaning Presses and Finishing Equipment (Naval Shipboard) |
| API 611 : 2008 : R2014 | GENERAL-PURPOSE STEAM TURBINES FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES |
| MIL-PRF-43891 Revision C:1997 | REFRIGERATION UNITS, ELECTRIC, 9000 BTU FOR MILITARY VAN CONTAINER, REFRIGERATED, INSULATED |
| API 673 : 2014 | CENTRIFUGAL FANS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES |
| NFPA 79 : 2018 | ELECTRICAL STANDARD FOR INDUSTRIAL MACHINERY |
| EN ISO 10438-1:2007 | Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 1: General requirements (ISO 10438-1:2007) |
| API 614 : 2008 | LUBRICATION, SHAFT-SEALING AND OIL-CONTROL SYSTEMS AND AUXILIARIES |
| API 14F:2008 | DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS |
| EN ISO 23553-1:2014 | Safety and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves (ISO 23553-1:2014) |
| MIL-PRF-32335 Base Document:2010 | TRICON REFRIGERATED CONTAINER SYSTEM (TRCS) |
| UNI EN ISO 23553-1 : 2014 | SAFETY AND CONTROL DEVICES FOR OIL BURNERS AND OIL-BURNING APPLIANCES - PARTICULAR REQUIREMENTS - PART 1: AUTOMATIC AND SEMI-AUTOMATIC VALVES |
| A-A-59187 Base Document:1998 | RANGE, CONVECTION OVEN, ELECTRIC, MODULAR (NAVAL SHIPBOARD) |
| EN ISO 10440-1:2007 | Petroleum, petrochemical and natural gas industries - Rotary-type positive-displacement compressors - Part 1: Process compressors (ISO 10440-1:2007) |
| A-A-59186 Base Document:1998 | WELL, HOT FOOD STORAGE, ELECTRIC (NAVAL SHIPBOARD) |
| MIL-M-29190 Revision A:1986 | MONITORING DEVICES, EMISSION, STACK RELATED |
| A-A-59777 Revision A:2009 | DRY FILTER UNIT |
| ASTM F 1837M : 1997 : R2002 | Standard Specification for Heat-Shrink Cable Entry Seals (Metric) |
| ASTM F 1837M : 1997 : R2007 | Standard Specification for Heat-Shrink Cable Entry Seals (Metric) |
| NEMA ICS 7 : 2014 | INDUSTRIAL CONTROL AND SYSTEMS: ADJUSTABLE - SPEED DRIVES |
| NEMA ICS 4:2015 | Application Guideline for Terminal Blocks |
| ASTM E 2513 : 2007 : R2012 | Standard Specification for Multi-Story Building External Evacuation Platform Rescue Systems |
| NEMA ICS 20:2009 (R2015) | Informational Guide to Electrical Industrial Topics |
| UFC 3-430-11 : 2001 | UNIFIED FACILITIES CRITERIA - BOILER CONTROL SYSTEMS |
| ASTM F 2363/F2363M : 2017 : REDLINE | Standard Specification for Sewage and Graywater Flow Through Treatment Systems |
| ISO 13631:2002 | Petroleum and natural gas industries Packaged reciprocating gas compressors |
| NEMA KS 3:2010 | Guidelines for Inspection and Preventive Maintenance of Switches Used in Commercial and Industrial Applications |
| PD IEC/TR 61439-0:2013 | Low-voltage switchgear and controlgear assemblies Guidance to specifying assemblies |
| ANSI C12.7-2014 | American National Standard for Requirements for Watthour Meter Sockets |
| NEMA ICS 61800-2:2005 | Adjustable Speed Electrical Power Drive Systems, Part 2: General Requirements—Rating Specifications for Low Voltage Adjustable Frequency AC Power Drive Systems |
| B354.9-17 | Design, calculations, safety requirements, and test methods for mast climbing work platforms (MCWPs) |
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| NEMA KS 1:2013 | Heavy Duty Enclosed and Dead-Front Switches (600 Volts Maximum) |
| NEMA ICS 18:2001 (R2007) | INDUSTRIAL CONTROL AND SYSTEMS: MOTOR CONTROL CENTERS |
| IEEE 1623-2004 | IEEE Guide for the Functional Specification of Medium Voltage (1 kV - 35 kV) Electronic Shunt Devices for Dynamic Voltage Compensation |
| ISO 21049:2004 | Pumps Shaft sealing systems for centrifugal and rotary pumps |
| ASTM F 2072 : 2014 : REDLINE | Standard Test Method for Hosedown of a Membrane Switch |
| ASTM F 1837M : 1997 | Standard Specification for Heat-Shrink Cable Entry Seals (Metric) |
| C9-17 | Dry-type transformers |
| ASTM F 1895 : 2014 : REDLINE | Standard Test Method for Submersion of a Membrane Switch |
| NEMA ICS 3:2005 (R2010) | INDUSTRIAL CONTROL AND SYSTEMS: MEDIUM VOLTAGE CONTROLLERS RATED 2001 TO 7200 VOLTS AC |
| ASTM E 2484 : 2008 | Standard Specification for Multi-Story Building External Evacuation Controlled Descent Devices |
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| API 552 : 1994 | TRANSMISSION SYSTEMS |
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| ASTM E 2513 : 2007 | Standard Specification for Multi-Story Building External Evacuation Platform Rescue Systems |
| ASTM F 1837M : 1997 : R2012 : EDT 1 | Standard Specification for Heat-Shrink Cable Entry Seals (Metric) |
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| DIN EN ISO 23553-1:2014-09 | Safety and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves (ISO 23553-1:2014); German version EN ISO 23553-1:2014 |
| ASTM C 1217 : 2000 | Standard Guide for Design of Equipment for Processing Nuclear and Radioactive Materials |
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| IEEE 515.1-2012 | IEEE Standard for the Testing, Design, Installation, and Maintenance of Electrical Resistance Trace Heating for Commercial Applications |
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