Rechercher

B64.10 Scope 1.1 Application This Standard specifies requirements for the selection and installation of backflow preventers. Additional information on how backflow due to back siphonage and back pressure occurs, and how to...

This part of ISO/IEC 14598 contains requirements, recommendations and guidelines for the systematic measurement, assessment and evaluation of software product quality during acquisition of .off-the-shelf. software products...

1.1 This Standard sets out minimum requirements for the design, construction, operation, maintenance, abandonment, and safety of hydrocarbon storage in underground reservoir formations and associated equipment. The equipment...

1.1 This Standard applies to control and protective devices, and accessory devices, rated at not more than 1500 V, for starting, stopping, regulating, controlling, or protecting electric motors, generators, heating apparatus...

Scope 1.1 This Standard applies to a) indoor and outdoor use Class 2 power supplies with input power of 660 W or less. These units are of both the direct plug-in and cord-connected types that utilize a step-down, isolating...

1.1 This Standard applies to suspension and dead-end composite insulators used on ac overhead transmission lines with a nominal voltage greater than 75 kV and a frequency not greater than 100 Hz. 1.2 The objectives of this...

1.1 This Standard specifies the electrical requirements for safe interconnection of inverter-based micro-distributed resource (micro-DR) systems to low-voltage systems connected to distribution systems. The output of these...

1. Scope This part of ISO/IEC 13522 specifies the procedure to be followed by a Registration Authority in preparing, maintaining a nd publishing a register of names (identifiers) allocated to MHEG Registered Objects. NOTE -...

1.1 This Standard covers the electrical and mechanical characteristics of (a) round 1350-H19 hard-drawn aluminum wires (A1) before compacting; (b) round zinc-coated hard-drawn steel core wires (S1A); and (c) bare compact...

1.1 This Standard applies to suspension and dead-end composite insulators used on ac overhead transmission lines with a nominal voltage greater than 75 kV and a frequency not greater than 100 Hz. 1.2 The objectives of this...

This part of ISO/IEC 18000 defines the air interface for radio frequency identification (RFID) devices operating as an active RF tag in the 433 MHz band used in item management applications. It provides a common technical...

This International Standard specifies functions for using an H.323 packet network in order to interconnect two Private Integrated services Network eXchanges (PINXs) forming part of a Private Integrated Services Network (PISN)...