ANSI - Standards (Active/Historical) Collection
This collection contains documents from the following standards organization(s): American National Standards Institute
| ANSI C37.58 | EN-Conformance Test Procedures for Indoor AC Medium-Voltage Switches for Use in Metal-Enclosed Switchgear-NEMA C37.58:1990; Supplement A 1997 | |
| ANSI C37.58 | EN-Conformance Test Procedures for Indoor AC Medium-Voltage Switches for Use in Metal-Enclosed Switchgear-Now copyrighted by NEMA; Removed at the request of NEMA | |
| ANSI C37.58 | EN-Switchgear - Indoor AC Medium-Voltage Switches for Use in Metal-Enclosed Switchgear - Conformance Test Procedures | |
| ANSI C37.58 | EN-Conformance Test Procedures for Indoor AC Medium-Voltage Switches for Use in Metal-Enclosed Switchgear-NEMA C37.58:1990; Supplement A 1997 | |
| ANSI C37.6 | EN-SCHEDULES OF PREFERRED RATINGS FOR AC HIGH- VOLTAGE CIRCUIT BREAKERS RATED ON A TOTAL CURRENT BASIS (WITHDRAWN) | |
| ANSI C37.66 | EN-Requirements for Oil-Filled Capacitor Switches for Alternating-Current Systems | |
| ANSI C37.7 | EN-INTERRUPTING RATING FACTORS FOR RECLOSING SERVICE FOR AC HIGH-VOLTAGE CIRCUIT BREAKERS RATED ON A TOTAL CURRENT BASIS (R 1976) (WITHDRAWN) | |
| ANSI C37.85 | EN-Switchgear - Alternating-Current High -Voltage Power Vacuum Interrupters - Safety Requirements for X-Radiation Limits | |
| ANSI C37.85 | EN-Switchgear - Alternating-Current High -Voltage Power Vacuum Interrupters - Safety Requirements for X-Radiation Limits-Now copyrighted by NEMA; Removed at the request of NEMA | |
| ANSI C37.9 | EN-TEST CODE FOR AC HIGH-VOLTAGE CIRCUIT BREAKERS RATED ON A TOTAL CURRENT BASIS (R 1976); SUPPLEMENT C37.9A - 1970 (WITHDRAWN) | |
| ANSI C39.1 | EN-Electrical Analog Indicating Instruments Requirements for | |
| ANSI C39.2 | EN-DIRECT - ACTING ELECTRICAL RECORDING INSTRUMENTS (SWITCHBOARD AND PORTABLE TYPES) (R 1969) (WITHDRAWN) | |
| ANSI C39.3 | EN-SHOCK TESTING FOR ELECTRICAL INDICATING INSTRUMENTS (WITHDRAWN) | |
| ANSI C39.4 | EN-AUTOMATIC NULL - BALANCING ELECTRICAL MEASURING INSTRUMENTS (R 1972) (WITHDRAWN) | |
| ANSI C39.5 | EN-SAFETY REQUIREMENTS FOR ELECTRICAL AND ELECTRONIC MEASURING AND CONTROLLING INSTRUMENTATION; ERRATUM (WITHDRAWN) | |
| ANSI C39.6 | EN-ELECTRICAL INSTRUMENTATION - DIGITAL MEASURING INSTRUMENTS (WITHDRAWN) | |
| ANSI C39.7 | EN-REQUIREMENTS FOR ELECTRONIC ANALOG VOLTMETERS (WITHDRAWN) | |
| ANSI C50.10 | EN-Rotating Electrical Machinery - Synchronous Machines-Now copyrighted by NEMA | |
| ANSI C50.10 | EN-Rotating Electrical Machinery - Synchronous Machines | |
| ANSI C50.12 | EN-Requirements for Salient-Pole Synchronous Generators and Generator/Motors for Hydraulic Turbine Applications | |
| ANSI C50.12 | EN-Requirements for Salient-Pole Synchronous Generators and Generator/Motors for Hydraulic Turbine Applications-This is Now Copyrighted by IEEE | |
| ANSI C50.13 | EN-Rotating Electrical Machinery - Cylindrical- Rotor Synchronous Generators-Supersedes ANSI/IEEE C50.13-77 | |
| ANSI C50.15 | EN-Rotating Electrical Machinery - Hydrogen-Cooled Combustion-Gas-Turbine-Driven Cylindrical-Rotor Synchronous Generators - Requirements-Now copyrighted by NEMA | |
| ANSI C50.15 | EN-Rotating Electrical Machinery - Hydrogen-Cooled Combustion-Gas-Turbine-Driven Cylindrical-Rotor Synchronous Generators - Requirements | |
| ANSI C50.41 | EN-POLYPHASE INDUCTION MOTORS FOR POWER GENERATING STATIONS | |
| ANSI C50.41 | EN-Polyphase Induction Motors for Power Generating Stations-*NOT CURRENT DOCUMENT | |
| ANSI C55.2 | EN-SERIES CAPACITORS FOR TRANSMISSION - AND DISTRIBUTION - LINE COMPENSATION (WITHDRAWN) | |
| ANSI C57.12.10 | EN-Transformers - 230 kV and Below 833/958 Through 8333/10 417 kVA Single-Phase and 750/862 Through 60 000/ 80 000/100 000 kVA Three-Phase Without Load Tap Changing; and 3750/ 4687 Through 60 000/ 80 000/100 000 kVA | |
| ANSI C57.12.10 | EN-REQUIREMENTS FOR TRANSFORMERS 230 000 VOLTS AND BELOW 833/958 THROUGH 8333/10 417 KVA SINGLE-PHASE AND 750/ 862 THROUGH 60 000/ 80 000/100 000 KVA THREE-PHASE; ERRATA - APRIL 1978 SUPPLEMENT C57.12.10A - MAY 1978 | |
| ANSI C57.12.13 | EN-Conformance Requirements for Liquid-Filled Transformers Used in Unit Installations Including Unit Substations | |
| ANSI C57.12.20 | EN-Transformers - Overhead-Type Distribution Transformers 500 kVA and Smaller: High Voltage 34 500 Volts and Below; Low Voltage 7970/13 800Y Volts and Below-Revised to ANSI/NEMA C57.12.20-1997 | |
| ANSI C57.12.20 | EN-REQUIREMENTS FOR OVERHEAD-TYPE DISTRIBUTION TRANSFORMERS 500 KVA AND SMALLER: HIGH- VOLTAGE 67 000 VOLTS AND BELOW; LOW-VOLTAGE 15 000 VOLTS AND BELOW | |
| ANSI C57.12.21 | EN-Pad-Mounted Compartmental-Type Self-Cooled Single-Phase Distribution Transformers with High-Voltage Bushings; High -Voltage 34 500 GrdY/19 920 Volts and Below; Low-Voltage 240/120 Volts; 167 KVA and Smaller Req | |
| ANSI C57.12.21 | EN-Pad-Mounted Compartmental-Type Self-Cooled Single-Phase Distribution Transformers with High-Voltage Bushings; High -Voltage 34 500 GrdY/19 920 Volts and Below; Low-Voltage 240/120 Volts; 167 KVA and Smaller Req | |
| ANSI C57.12.22 | EN-REQUIREMENTS FOR PAD- MOUNTED COMPARTMENTAL- TYPE SELF-COOLED THREE-PHASE DISTRIBUTION TRANSFORMERS WITH HIGH- VOLTAGE BUSHINGS; HIGH- VOLTAGE 34 500 GRDY/19 920 VOLTS AND BELOW; 2500 KVA AND SMALLER | |
| ANSI C57.12.22 | EN-Transformers - Pad-Mounted Compartmental-Type Self-Cooled Three-Phase Distribution Transformers with High-Voltage Bushings 2500 kVA and Smaller: High Voltage 34 500GrdY /19 920 Volts and Below; Low Voltage 480 | |
| ANSI C57.12.23 | EN-TRANSFORMERS - UNDERGROUND-TYPE SELF- COOLED SINGLE-PHASE DISTRIBUTION TRANSFORMERS WITH SEPARABLE INSULATED HIGH-VOLTAGE CONNECTORS- HIGH-VOLTAGE 24 940 GRD Y/14 400 V AND BELOW; LOW-VOLTAGE 240/120 V 167 KVA A | |
| ANSI C57.12.23 | EN-REQUIREMENTS FOR UNDER- GROUND-TYPE SINGLE-PHASE DISTRIBUTION TRANSFORMERS WITH SEPARABLE INSULATED HIGH-VOLTAGE CONNECTORS 100 KVA AND SMALLER; HIGH VOLTAGE 24 940 GRDY/14 400 VOLTS AND BELOW; LOW VOLTAGE 240/120 | |
| ANSI C57.12.24 | EN-REQUIREMENTS FOR UNDERGROUND-TYPE THREE- PHASE DISTRIBUTION TRANSFORMERS 2500 KVA AND SMALLER; HIGH VOLTAGE 24 940 GRDY/ 14 400 VOLTS AND BELOW; LOW VOLTAGE 480 VOLTS AND BELOW | |
| ANSI C57.12.24 | EN-TRANSFORMERS - UNDERGROUND-TYPE THREE-PHASE DISTRIBUTION TRANSFORMERS 2500 KVA AND SMALLER: HIGH VOLTAGE 34 500GRDY/19 920 VOLTS AND BELOW; LOW VOLTAGE 480 VOLTS AND BELOW - REQUIREMENTS | |
| ANSI C57.12.24 | EN-Transformers Underground-Type Three- Phase Distribution Transformers 2500 kVA and Smaller; High Voltage 34 500 GrdY/ 19 920 Volts and Below; Low Voltage 480 Volts and Below - Requirements | |
| ANSI C57.12.25 | EN-Transformers - Pad-Mounted Compartmental-Type Self-Cooled Single-Phase Distribution Transformers with Separable Insulated High-Voltage Connectors; High Voltage 34 500 GrdY/19 920 Volts and Below; Low-Voltage 240 | |
| ANSI C57.12.25 | EN-Transformers - Pad-Mounted Compartmental-Type Self-Cooled Single-Phase Distribution Transformers with Separable Insulated High-Voltage Connectors; High Voltage 34 500 GrdY/19 920 Volts and Below; Low-Voltage 240 | |
| ANSI C57.12.25 | EN-REQUIREMENTS FOR PAD- MOUNTED COMPARTMENTAL- TYPE SELF-COOLED SINGLE-PHASE DISTRIBU- TION TRANSFORMERS WITH SEPARABLE INSULATED HIGH-VOLTAGE CONNECTORS: HIGH-VOLTAGE 34 500 GRDY/19 920 VOLTS AND BELOW; LOW-VOLTAG | |
| ANSI C57.12.26 | EN-REQUIREMENTS FOR PAD- MOUNTED COMPARTMENTAL- TYPE SELF-COOLED THREE-PHASE DISTRIBUTION TRANSFORMERS FOR USE WITH SEPARABLE INSULATED HIGH-VOLTAGE CONNECTORS HIGH-VOLTAGE 24 940 GRDY/14 400 VOLTS AND BELOW; 2500 K | |
| ANSI C57.12.26 | EN-TRANSFORMERS - PAD- MOUNTED COMPARTMENTAL- TYPE SELF-COOLED THREE-PHASE DISTRIBUTION TRANSFORMERS FOR USE WITH SEPARABLE INSULATED HIGH-VOLTAGE CONNECTORS HIGH-VOLTAGE 34 500 GRD Y/19 920 VOLTS AND BELOW; 2500 KV | |
| ANSI C57.12.26 | EN-Transformers - Pad- Mounted Compartmental- Type Self-Cooled Three-Phase Distribution Transformers for Use with Separable Insulated High-Voltage Connectors High-Voltage 34 500 Grd Y/19 920 Volts and Below; 2500 kV | |
| ANSI C57.12.27 | EN-Liquid-Filled Distribution Transformers Used in Pad-Mounted Installations Including Unit Substations Conformance Requirements for | |
| ANSI C57.12.28 | EN-Switchgear and Transformers - Pad-Mounted Equipment - Enclosure Integrity-Correction - April 1988; Revised to ANSI/NEMA C57.12.28-96 | |
| ANSI C57.12.29 | EN-Switchgear and Transformers - Pad- Mounted Equipment - Enclosure Integrity for Coastal Environments-Now copyrighted by NEMA; Removed at the request of NEMA | |
| ANSI C57.12.29 | EN-Switchgear and Transformers - Pad- Mounted Equipment - Enclosure Integrity for Coastal Environments-Now copyrighted by IEEE | |
| ANSI C57.12.29 | EN-Switchgear and Transformers - Pad- Mounted Equipment - Enclosure Integrity for Coastal Environments | |
| ANSI C57.12.30 | EN-REQUIREMENTS FOR LOAD-TAP-CHANGING TRANSFORMERS 230 000 VOLTS AND BELOW 3750/4687 THROUGH 60 000/80 000/100 000 KVA THREE-PHASE; (REVISED AND CONSOLIDATED AS C57.12.10-88) | |
| ANSI C57.12.40 | EN-REQUIREMENTS FOR SECONDARY NETWORK TRANSFORMERS SUBWAY AND VAULT TYPES (LIQUID IMMERSED) | |
| ANSI C57.12.40 | EN-SECONDARY NETWORK TRANSFORMERS - SUBWAY AND VAULT TYPES (LIQUID IMMERSED) - REQUIREMENTS (REVISED AND REDESIGNATED TO ANSI/ NEMA C57.12.40-1994)-Revised and Redesignated to ANSI/ NEMA C57.12.40-1994 | |
| ANSI C57.12.50 | EN-Ventilated Dry-Type Distribution Transformers 1 to 500 kVA Single-Phase and 15 to 500 kVA Three-Phase with High-Voltage 601 to 34 500 Volts Low-Voltage 120 to 600 Volts Requirements for-Correction June 1982 | |
| ANSI C57.12.50 | EN-Ventilated Dry-Type Distribution Transformers 1 to 500 kVA Single-Phase and 15 to 500 kVA Three-Phase with High-Voltage 601 to 34 500 Volts Low-Voltage 120 to 600 Volts Requirements for-Now copyrighted by NEMA | |
| ANSI C57.12.51 | EN-Ventilated Dry-Type Power Transformers 501 kVA and Larger Three-Phase with High-Voltage 601 to 34 500 Volts Low-Voltage 208Y/120 to 4160 Volts Requirements for | |
| ANSI C57.12.51 | EN-Ventilated Dry-Type Power Transformers 501 kVA and Larger Three-Phase with High-Voltage 601 to 34 500 Volts Low-Voltage 208Y/120 to 4160 Volts Requirements for-Now copyrighted by NEMA; Removed at the request of | |
| ANSI C57.12.52 | EN-Sealed Dry-Type Power Transformers 501 kVA and Larger Three-Phase with High-Voltage 601 to 34 500 Volts Low-Voltage 208Y/120 to 4160 Volts Requirements for-Now copyrighted by NEMA; Removed at the request of NEMA | |
| ANSI C57.12.52 | EN-Sealed Dry-Type Power Transformers 501 kVA and Larger Three-Phase with High-Voltage 601 to 34 500 Volts Low-Voltage 208Y/120 to 4160 Volts Requirements for | |
| ANSI C57.12.55 | EN-Transformers - Dry-Type Transformers Used in Unit Installations Including Unit Substations - Conformance Standard-Now copyrighted by NEMA | |
| ANSI C57.12.55 | EN-Transformers - Dry-Type Transformers Used in Unit Installations Including Unit Substations - Conformance Standard | |
| ANSI C57.12.57 | EN-Transformers - Ventilated Dry-Type Network Transformers 2500 kVA and Below Three-Phase with High-Voltage 34 500 Volts and Below Low-Voltage 216Y/125 and 480Y/277 Volts- Requirements-This is Now Copyrighted by IEEE | |
| ANSI C57.12.70 | EN-Terminal Markings and Connections for Distribution and Power Transformers | |
| ANSI C57.12.70 | EN-Terminal Markings and Connections for Distribution and Power Transformers-Now copyrighted by NEMA; Removed at the request of NEMA | |
| ANSI C57.15 | EN-REQUIREMENTS TERMINOLOGY AND TEST CODE FOR STEP-VOLTAGE AND INDUCTION-VOLTAGE REGULATORS | |
| ANSI C57.16 | EN-REQUIREMENTS TERMINOLOGY AND TEST CODE FOR CURRENT - LIMITING REACTORS (R 1971) (WITHDRAWN) | |
| ANSI C57.17 | EN-REQUIREMENTS FOR ARC FURNACE TRANSFORMERS (R 1971) (WITHDRAWN) | |
| ANSI C57.95 | EN-GUIDe FOR LOADING OIL-IMMERSED STEP- VOLTAGE AND INDUCTION- VOLTAGE REGULATORS (APPENDIX TO C57.15) | |
| ANSI C57.96 | EN-GUIDE FOR LOADING DRY-TYPE DISTRIBUTION AND POWER TRANSFORMERS APPENDIX TO AMERICAN NATIONAL STANDARD POWER AND DISTRIBUTION TRANSFORMERS | |
| ANSI C57.99 | EN-Guide for Loading Dry-Type and Oil-Immersed Current-Limiting Reactors Appendix to American Standard Requirements Terminology and Test Code for Current-Limiting Reactors C57.16-1958 | |
| ANSI C62.2 | EN-GUIDE FOR THE APPLICATION OF VALVE-TYPE SURGE ARRESTERS FOR ALTERNATING-CURRENT SYSTEMS; CORRECTION - MAY 1982 | |
| ANSI C62.61 | EN-Gas Tube Surge Arresters on Wire Line Telephone Circuits-Revised and Redesignated to ANSI/NEMA C62.61-1993 | |
| ANSI C73 | EN-DIMENSIONS OF ATTACHMENT PLUGS AND RECEPTACLES FOR MARINE SHIP-TO-SHORE USE FOR SMALL CRAFT; SUPPLEMENT C73A - 1980 (REVISED AND REDESIGNATED AS NEMA WD6-88) | |
| ANSI C73A | EN-Dimensions of Attachment Plugs and Receptacles for Marine Ship-to-Shore Use for Small Craft-Supplement to C73-1973; *NOT CURRENT DOCUMENT | |
| ANSI C78.1 | EN-DIMENSIONAL AND ELECTRICAL CHARACTERISTICS OF FLUORESCENT LAMPS - RAPID-START TYPES; SUPPLEMENT C78.1A-1980 SUPPLEMENT C78.1C-1985 SUPPLEMENT C78.1B-1986 SUPPLEMENT C78.1D-1988 (R 1984) | |
| ANSI C78.1 | EN-Fluorescent Lamps - Rapid-Start Types - Dimensional and Electrical Characteristics-Includes Supplements C78.1a-1992; C78.1c-1994; C78.1d-1995; C78.1e-1996: Replaces Pages 2-5 of Supp a; C78.1f-1996; C78.1g-1996; C78. | |
| ANSI C78.1 | EN-Fluorescent Lamps - Rapid-Start Types - Dimensional and Electrical Characteristics-Now copyrighted by NEMA; Removed at the request of NEMA |