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IEC 60958-3:2021 specifies the consumer application of the interface for the inter-connection of digital audio equipment defined in IEC 60958-1. IEC 60958-3:2021 cancels and replaces the third edition published in 2006, Amendment 1:2009 and Amendment 2:2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the…

1 Scope This Standard specifies particular safety requirements for electronic controlgear for use on d.c. supplies up to 380 V and a.c. supplies up to 600 V at 50 Hz or 60 Hz and at an output frequency that can deviate from the supply frequency, associated with LED modules. Notes: 1) A lamp controlgear for LED modules may also be referred to as “LED controlgear”, “LED driver”, “LED power…

1 Scope 1.1 This Standard specifies general and safety requirements for a) non-integrated light-emitting diode (LED) modules (LEDni modules) and semi-integrated LED modules (LEDsi modules) for operation under constant voltage, constant current, or constant power; and b) integrated LED modules (LEDi modules) for use on dc supplies up to 250 V or ac supplies up to 600 V. LED modules within…

This document applies to the basic safety and essential performance of respiratory high-flow therapy equipment, as defined in 201.3.220, hereafter also referred to as ME equipment or ME system, in combination with its accessories: —   intended for use with patients who can breathe spontaneously; and —   intended for patients who would benefit from improved alveolar gas exchange; and who would…

This document applies to the basic safety and essential performance of respiratory high-flow therapy equipment, as defined in 201.3.220, hereafter also referred to as ME equipment or ME system, in combination with its accessories: - intended for use with patients who can breathe spontaneously; and - intended for patients who would benefit from improved alveolar gas exchange; and who would…

This document specifies requirements and test methods for reinforced and non-reinforced thermoplastic collapsible hoses, intended to be used as main and sub-main supply lines for the conveyance and distribution of water for irrigation, at water temperatures up to 50 °C. PVC layflat hoses are excluded from this document. It is applicable to irrigation hoses with nominal diameters between 40 mm and…

This document specifies requirements for the design, construction, safety, performance and acceptance testing of windlasses and anchor capstans. This document is applicable to windlasses and anchor capstans of sea-going vessels, which have an electric, hydraulic, pneumatic or external drive, of the following types: —    symmetrical double cable-lifter windlasses (type 1); —    single cable-lifter…

IEC 60700-2:2016+A1:2021 defines terms for thyristor valves for high-voltage direct current (HVDC) power transmission with line commutated converters most commonly based on three-phase bridge connections for the conversion from AC to DC and vice versa.

This document specifies the method of test for the mechanical resistance and strength of components of respiratory protective devices.

This document specifies a procedure for run-through train operations, identified as smart transportation. This concept provides direct, one-seat ride services in high quality corridors connecting cities and transportation hubs without forcing transfers. Improved operations planning, greater use of interchange or rental use arrangements are described so that these services can be implemented…