Tag: Safety

IEEE/ANSI C57.12.25-1990

This standard covers certain electrical, dimensional, and mechanical characteristics, and takes into consideration certain safety features of single-phase, 60-Hz, mineral-oil-immersed, self-cooled, pad-mounted, compartmental-type distribution transformers with separable insulated high-voltage connectors. These transformers are rated 167 kVA and smaller, with high voltages of 34500 GrdY/19 920 volts and below for operation between one phase and grounded neutral, and low voltages of 240/120 volts. These transformers are generally used for step-down purposes from an underground primary cable supply.


This recommended practice defines the concepts, techniques, benchmark models, validation procedures, uncertainties and limitations of computational electromagnetics techniques and tools used for modeling and simulation of antennas in free space. It recommends and provides guidance on the numerical modeling of antennas and benchmark results to verify the general approach for the numerical simulations of such antennas. It defines acceptable numerical modeling requirements and guidance on meshing.


This guide provides information for the selection and application of cables installed in USA and Canada transit infrastructure excluding cables that are used on transit vehicles, railroad cars and locomotives. This guide is not intended to be a cable design document, although many of the problems associated with the application of cables for transit infrastructure may be avoided by its use .


This guide covers the design and selection of protective devices and the coordination between them for various modes of operation of the microgrid. These include grid-connected and islanded modes and transitions between modes.


This standard defines communication methods and data formats for transducers (sensors and actuators) communicating with Radio Frequency IDentification (RFID) tags and systems, including the use of a Jabber ID with integral transducers. It also defines new Transducer Electronic Data Sheet (TEDS) formats based on the IEEE 1451 series of standards and protocols for accessing TEDS and transducer data. It also defines a command structure and specifies communication methods to work in the Internet of Things (IoT) environments.


This standard defines terminology and test methods to clearly document prevalent world-wide terms used to describe and test digital-to-analog converters (DACs). It is restricted to monolithic, hybrid, and module DACs and does not cover systems encompassing DACs.


This document presents a standard that defines the reliability capability of organizations and identifies the criteria for assessing the reliability capability of an organization. This standard is intended to be usable by all organizations that design, manufacture or procure electrical/electronics components or products. Although the concepts described in this standard could be applied to both hardware and software products, the focus of the standard is on hardware products.

IEEE/IEC 63195-1-2022

This International Standard specifies protocols and test procedures for the reproducible and conservative measurement of the power density (PD) assuming incident to the head or the body by radio-frequency (RF) transmitting devices, with a defined uncertainty. The protocols and procedures apply for a significant majority of people including children during the use of hand-held and body-worn wireless communication devices. These devices may feature single or multiple transmitters or antennas, and may be operated with their radiating part(s) at distances up to 200 mm from a human head or body. This standard can be employed to evaluate PD compliance of different…

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