Rechercher

This document specifies data elements and data frames for messages a) exchanged between roadside modules and: 1) signal controllers, 2) traffic management centres, and/or 3) other roadside modules. b) exchanged between traffic management centres and signal controllers. NOTE Roadside modules can generate data based on inputs from vehicle detectors and/or probe data transmitted by…

IEC 60601-2-31:2020 applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of EXTERNAL PACEMAKERS powered by an INTERNAL ELECTRICAL POWER SOURCE, hereafter referred to as ME EQUIPMENT. This document applies to PATIENT CABLES as defined in 201.3.209, but does not apply to LEADS as defined in 201.3.206. HAZARDS inherent in the intended physiological function of ME EQUIPMENT within the scope of this…

IEC 60704-2-7:2020 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60704-2-7:2020 applies to electrical fans (including their accessories and their component parts) for household…

IEC 60704-2-7:2020 applies to electrical fans (including their accessories and their component parts) for household and similar use, designed for AC or DC supply. The motor, the impeller and their housing, if any, form a single unit. These particular requirements apply to: – conventional fans, – table fans, – pedestal fans, – ceiling fans, – bladeless fans, – wall bracket fans, – ceiling…

IEC 63115-1:2020 specifies the marking, designation, tests and requirements for sealed nickel­metal hydride cells and batteries used in industrial applications, including stationary applications. When an IEC International Standard specifying test conditions and requirements for cells used in special applications is in conflict with this document, the former takes precedence (e.g. IEC 62675).…

IEC 62505-3-3:2020 is applicable to new voltage transformers which are: - intended for use in indoor or outdoor fixed installations in tractions systems, and - operated with an AC line voltage and frequency as specified in IEC 60850. This document also applies to voltage transformers other than inductive types as far as reasonably possible. Requirements of this document have priority. This…

IEC 61162-460:2018+A1:2020 is an add-on to IEC 61162-450 where higher safety and security standards are needed, for example due to higher exposure to external threats or to improve network integrity. This document provides requirements and test methods for equipment to be used in an IEC 61162-460 compliant network as well as requirements for the network itself and requirements for interconnection…

This document, together with ISO 21138‑2 and ISO 21138‑3, specifies the definitions and requirements for pipes, fittings and systems based on unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) structured-wall piping systems intended to be used in non-pressure underground drainage and sewerage applications. NOTE 1 Pipes, fittings and the system complying with…

This document, together with ISO 21138‑1, specifies the definitions and requirements for pipes with a non-smooth external surface and a smooth internal surface (Type B), fittings and systems based on unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) structured-wall piping systems intended to be used in non-pressure underground drainage and sewerage applications…

IEC 60601-2-31:2020 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60601-2-31:2020 applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of EXTERNAL PACEMAKERS powered by an…