A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
American National Standard Specifications Distribution Fuse Disconnecting Switches, Fuse Supports, and Current-Limiting Fuses
American National Standard Test Procedures for Low-Voltage AC Power Circuit Protectors Used in Enclosures
American National Standard High-Voltage Current-Limiting Motor-Starter Fuses -- Conference Test Procedures
American National Standard for Switchgear-Alternating-Current High-Voltage Power Vacuum Interrupters-Safety Requirements for X-Radiation Limits
ANSI American National Standard Guide for Induction Motor protection
American National Standard Guide for Protective Relaying of Utility - Consumer Interconnections
American National Standard General Requirements for Synchronous Machines
American National Standard Requirements for Combustion Gas Turbine Driven Cylindrical Rotor Synchronous Generators
IEEE Guide for Acceptance and Maintenance of Insulating Oil in Equipment
American National Standard for 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 with Load Tap Changing-Safety Requirements
American National Standard for Transformers - Standard for Overhead Type Distribution Transformers, 500 kVA and Smaller: High Voltage 34500 Volts and Below: Low Voltage, 7970/13800Y Volts and Below
American National Standard for Pad-Mounted, Compartmental-Type, Self-Cooled, Three-Phase Distribution Transformers With High-Voltage Bushings, 2500 kVA and Smaller; High Voltage, 34 500 GrdY/19 920 Volts and Below; Low Voltage, 480 Volts and Below
American National Standard for 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
American National Standard for 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) and Low-Voltage (240/120 Volts; 167 kVA and Smaller)
American National Standard for Transformers- Pad-Mounted Compartmental -Type, Self-Cooled, Three-Phase Distribution Transformers for Use With Separable Insulated High-Voltage Connectors, High-Voltage, 34500 Grd Y/19 920 Volts and Below; 2500 kVa and Smaller
American National Standard Requirements for 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
American National Standard Requirements for 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
American National Standard Requirements for 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
American National Standard Conformance Test Procedures for Instrument Transformers
American National Standard Guide for Electrostatic Discharge Test Methodologies and Criteria for Electronic Equipment
American National Standard for Validation Methods for Radiated Emission Test Sites, 30 MHz to 1 GHz
American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz
American National Standard for Calibration of Antennas Used for Radiated Emission Measurements in Electromagnetic Interference (EMI) Control Calibration of Antennas (9 kHz to 40 GHz)
American National Standard for RF Immunity of Audio Office Equipment to General Use Transmitting Devices with Transmitter Power Levels up to 8 Watts
American National Standard for Power Systems - Alternating-Current Electrical Systems and Equipment Operating at Voltages Above 230 kV Nominal-Preferred Voltage Ratings