In this standard are set forth methods for the measurement of test voltages and wave shapes used in dielectric tests of electrical apparatus or insulating material. These tests are in…
This document applies to all Class IE control switchboards (for example, main control room assemblies, auxiliary panels, local panels or racks, etc) as defined in Section 3, regardless of their…
This standard applies to lightning protective devices designed for repeated operations to limit voltage surges on 60 cycle power circuits1 and to interrupt repeatedly power follow current. It applies specifically…
These standards apply to lightning protective devices designed to limit repeatedly voltage surges on power circuits1 by passing surge discharge current and subsequently automatically interrupting the flow of power follow…
It is the purpose of this recommendation to establish a general standard method for use in making high-potential wet tests on insulators, bushings, switches and related apparatus. This specification covers…
This application guide applies to ac high voltage circuit breakers rated in accordance with the methods given in American National Standard Rating Structure for A C High-Voltage Circuit Breakers, C37.04-1964(R1969)…
The standards of this section apply to grounding transformers, and to resistors, reactors, capacitors, and combinations of these, when used for grounding the neutrals of alternating-current electric systems.
This recommended practice covers the application of electrical equipment and wiring furnished as part of a packaging machine, and associated equipment commencing at the place of connection of the power…
This standard covers requirements for switching-impulse voltage insulation strength for outdoor ac high-voltage circuit breakers having rated maximum voltages of 362 kV and above.