Rechercher

1 Scope Replacement: This part of IEC 61558 deals with the safety of auto-transformers for general applications and power supply units incorporating auto-transformers for general applications. Transformers incorporating electronic circuits are also covered by this document. NOTE 1 Safety includes electrical, thermal and mechanical aspects. Unless otherwise specified, from here onward, the…

1 Scope Replacement: This part of IEC 61558 deals with the safety of control transformers and power supply units incorporating control transformers. Transformers incorporating electronic circuits are also covered by this document. NOTE 1 Safety includes electrical, thermal and mechanical aspects. Unless otherwise specified, from here onward, the term transformer covers control transformers…

1 Scope and object IEC 61010-1:2010, Clause 1 and IEC 61010-1:2010/AMD1:2016, Clause 1 apply except as follows: 1.1.1 Equipment included in scope Replace the existing text with the following: This document specifies safety requirements for hand-held multimeters and other meters for domestic and professional use, capable of measuring MAINS. Hand-held multimeters are multi-range…

1 Scope and object IEC 61010-1:2010, Clause 1 and IEC 61010-1:2010/AMD1:2016, Clause 1 apply except as follows: 1.1.1 Equipment included in scope Replace the existing text with the following: This document specifies safety requirements to equipment for measuring insulation resistance and to equipment for testing electric strength which have an output voltage exceeding 50 V a.c. or 120 V d.…

1 Scope 1.1 Inclusions This Standard defines minimum energy efficiency and performance requirements for LED devices that have the general appearance, length, and base types of a conventional fluorescent lamp. These devices have the physical dimensions of a lamp as described in ANSI C78.81 or ANSI C78.901 are commonly known as LED tubular (TLED) lamps. The following TLED lamp constructions,…

1.1 Scope Replacement: This part of IEC 60730 applies to electrically operated water valves for use in, on or in association with equipment for household and similar use, including heating, air-conditioning and similar applications. The equipment can use electricity, gas, oil, solid fuel, solar thermal energy, etc., or a combination thereof. NOTE 1 Throughout this document, the word "…

1 Scope and object IEC 61010-1:2010, Clause 1 and IEC 61010-1:2010/AMD1:2016, Clause 1 apply except as follows: 1.1.1 Equipment included in scope Replace the existing text with the following: This document specifies safety requirements for HAND-HELD and hand-manipulated current sensors intended for measuring, detecting or injecting current, or indicating current waveforms on circuits…

Scope 1.1 This Standard describes the requirements for the design and installation of a fire alarm system with or without voice communication capability. NOTE 1: This Standard is intended to apply to both required and voluntary fire alarm installations. NOTE 2: The requirements in this Standard address the installation for various types of fire alarm system equipment and devices. These…

This document specifies requirements and makes recommendations for sampling systems for use in small-scale and large-scale fire tests, for the selection of parameters and use of the FTIR instrument, and for the collection and use of calibration spectra. The primary purpose of the methods outlined in this document is to measure the concentrations of chemical species in fire effluents which can be…

Scope 1.1 This Standard covers the power handling capabilities of Information and Communication Technology (ICT) cable assemblies when used for powering or charging Audio/Video, Information, and Communication Technology Equipment applications. This does not include Power Over Ethernet cables that are permanently installed to power equipment installed on the network. The signal transmission…