Requirements and testing methods for a facial recognition testing system for end user devices are discussed in this standard. System and security requirements, algorithm testing, testing methods, and criteria-level definitions…
Information concerning system voltage nomenclature and the preferred voltage ratings of distribution apparatus and utilization equipment are contained in this recommended practice. This is essential to proper voltage identification throughout…
This standard is applicable to direct current circuit breakers designed for indoor or outdoor installation on systems having voltages above 3200 Vdc. This standard specifies ratings, requirements for structure and…
Guidance for the installation and installation design of valve-regulated lead-acid (VRLA) batteries is provided in this recommended practice. This recommended practice is intended for all standby stationary installations. However, specific…
The neutral grounding of single- and three-phase ac electric-utility primary distribution systems with nominal voltages in the range of 2.4 kV – 34.5 kV is addressed. Classes of distribution-systems grounding…
Electric power system reliability remains an important societal issue. Transmission disturbances draw national attention and scrutiny, but service interruptions at the distribution level are the primary concern of end-use customers…
This recommended practice is intended to serve in the preparation of standards that are principally concerned with the thermal endurance of electrical insulating materials and simple combinations of such materials,…
Direction and methods for qualifying permanent connections used for substation grounding are provided in this standard. This standard particularly addresses the connection used within the grid system, the connection used…
This standard defines and describes the technical requirements, tests, inspection rules, marking, package, transportation, and storage of wedge-shaped groove clamps, which are used in connections and branches of aerial conductors…
