Find the standard you are looking for at Engineering360. Documents are available for purchase from the IHS Standards Store.

1 - 8 of 8 results

UL 2808 OUTLINE - OUTLINE OF INVESTIGATION FOR ENERGY MONITORING CURRENT TRANSFORMERS - ISSUE 3 Organization: UL
Date: 2016-06-10
Description: These requirements cover open-type current transformers and their associated signal level combiner and/or multiplexer board accessories thereto intended for field installation within distribution and control equipment such as panelboards, switchboards, industrial control equipment, and energy monitoring/management equipment, to measure current on a branch circuit.
ANSI - ANSI C57.12.13 - CONFORMANCE REQUIREMENTS FOR LIQUID-FILLED TRANSFORMERS USED IN UNIT INSTALLATIONS, INCLUDING UNIT SUBSTATIONS Organization: ANSI
Date: 1982-01-01
Description: This standard does not cover the following types of liquid-filled transformers: (1)Overhead-type distribution transformers, including those mounted in surface enclosures (2)Pad-mounted compartmental-type transformers as described and defined in the following standards: American National Standard Requirements for 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; 167 kVA and Smaller), ANSI C57.12.21-1980 American National Standard Requirements for Pad-Mounted Compartmental-Type Self-Cooled Three-Phase Distribution Transformers with High-Voltage Bushing (34 500 GrdY/19 920 Volts and Below; 2500 kVA and Smaller), ANSI C57.12.22-1980 American National Standard Requirements for 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, 240/120; 167 kVA and Smaller, ANSI C57.12.25-1981 American National Standard 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 kVA and Smaller, ANSI C57.12.26-1975 (3) Subsurface or submersible-type transformers as described and defined in the following standards: American National Standard requirements for Underground-Type Single-Phase Distribution Transformers, with Separable Insulated High-Voltage Connectors, High Voltage 24 940 GrdY/14 400 Volts and Below, Low Voltage 240/120, 100 kVA and Smaller, ANSI C57.12.23-1978 American National Standard 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 C57.12.24-1982 American National Standard Requirements for Secondary Network Tranformers, Subway and Vault Types (Liquid Immersed), ANSI C57.12.40-1982 (4) Rectifier transformers (5) Mobile transformers (6) All transformers for use in ships and other watercraft, railway rolling stock, aircraft, and automotive vehicles other than mobile home and recreational vehicles (7) Transformers used in mines (8) Transformers installed in railways for the generation, transformation, transmission, or distribution of power and used exclusively for operation of rolling stock, or transformers installed in railways and used exclusively for signaling, or communication purposes (9) Instrument transformers (10) Step-voltage regualors and induction voltage regulators (11) Arc furnace transformers (12) Transformers installed with communication equipment under the exclusive control of communication utilities, located outdoors or in building spaces used exclusively for such installations (13) Transformers that are used under the exclusive control of electric utilities for the purpose of communication or metering, or for the generation, control, transformation, transmission, and distribution of electric energy and that are located in buildings used exclusively for such purposes or located outdoors on property owned or leased by the utility, or on public highways, streets, roads, etc, or by established rights on private property
NEMA - C37.121 - SWITCHGEAR - UNIT SUBSTATIONS - REQUIREMENTS - NOW COPYRIGHTED BY IEEE Organization: NEMA
Date: 1989-01-01
Description: A variety of designs for unit substations are possible using various combinations of incoming sections, transformer sections, outgoing sections, and transition (throat) sections.
IEEE C37.121 - GUIDE FOR SWITCHGEAR-UNIT SUBSTATION-REQUIREMENTS Organization: IEEE
Date: 2012-12-05
Description: c) Substations in which the transformer section is described and defined as "pad-mounted" in ANSI C57.12.22 and IEEE Std C57.12.27™ [B16].
IEST - RP-DTE011.1 - MECHANICAL SHOCK AND VIBRATION TRANSDUCER Organization: IEST
Date: 2004-09-01
Description: Also, displacement sensors, such as linear variable differential transformer (LVDT) displacement transducers, tend to be large, heavy, and limited to frequencies below 500 Hz.
UL 61010-2-033 - UL STANDARD FOR SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL, AND LABORATORY USE – PART 2-033: PARTICULAR REQUIREMENTS FOR HAND-HELD MULTIMETERS AND OTHER METERS, FOR DOMESTIC AND PROFESSIONAL USE, CAPABLE OF MEASURING MAINS VOLTAGE - FIRST EDITION Organization: UL
Date: 2014-08-08
Description: Equipment excluded from scope This standard does not apply to equipment within the scope of: a) IEC 60065 (Audio, video and similar electronic apparatus); b) IEC 60204 (Safety of machinery – Electrical equipment of machines); c) IEC 60335 (Household and similar electrical appliances); d) IEC 60364 (Electrical installations of buildings); e) IEC 60439 (Low-voltage switchgear and controlgear assemblies); f) IEC 60601 (Medical electrical equipment); g) IEC 60950 (Information technology equipment including electrical business equipment, except as specified in 1.1.3); h) IEC 61558 (Power transformers, power supply units and similar); i) IEC 61010-031 (Hand-held probe assemblies); j) IEC 61243-3 (Live working – Voltage detectors – Part 3: Two-pole low-voltage type).
UL 61010-2-081 - UL STANDARD FOR SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL AND LABORATORY USE – PART 2-081: PARTICULAR REQUIREMENTS FOR AUTOMATIC AND SEMI-AUTOMATIC LABORATORY EQUIPMENT FOR ANALYSIS AND OTHER PURPOSES - SECOND EDITION Organization: UL
Date: 2015-08-14
Description: Equipment excluded from scope This standard does not apply to equipment within the scope of: a) IEC 60065 (Audio, video and similar electronic apparatus); b) IEC 60204 (Safety of machinery – Electrical equipment of machines); c) IEC 60335 (Household and similar electrical appliances); d) IEC 60364 (Electrical installations of buildings); e) IEC 60439 (Low-voltage switchgear and controlgear assemblies); f) IEC 60601 (Medical electrical equipment); g) IEC 60950 (Information technology equipment including electrical business equipment, except as specified in 1.1.3); h) IEC 61558 (Power transformers, power supply units and similar); i) IEC 61010-031 (Hand-held probe assemblies); j) IEC 61243-3 (Live working – Voltage detectors – Part 3: Two-pole low-voltage type).
UL - 61010-2-010 BULLETIN - UL STANDARD FOR SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL, AND LABORATORY USE – PART 2-010: PARTICULAR REQUIREMENTS FOR LABORATORY EQUIPMENT FOR THE HEATING OF MATERIALS - COMMENTS DUE: DECEMBER 22, 2014 Organization: UL
Date: 2014-11-07
Description: Equipment excluded from scope This standard does not apply to equipment within the scope of a) IEC 60065 (Safety requirements for audio, video and similar electronic apparatus); b) IEC 60204 (Controls for electrical machines); c) IEC 60335 (Safety of household and similar electrical appliances); d) IEC 60364 (Electrical installations of buildings); e) IEC 60439-1 (Low-voltage switchgear and controlgear assemblies); f) IEC 60521 (Class 0,5; 1 and 2 alternating current watthour meters); g) IEC 60601 (Medical electrical equipment); h) IEC 60950 (Safety of information technology equipment including electrical business equipment, except as specified in 1.1.3); i) IEC 61558 (Power transformers, power supply units and similar). Computing equipment This standard applies only to computers, processors, etc. which form part of equipment within the scope of this standard or are designed for use exclusively with the equipment.

1 - 8 of 8 results