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1 Scope 1.1 This standard applies to the following types of transfer switches that have a maximum rating of 1000 volts for use in non-hazardous locations, in accordance with Annex A1, Item 1: a) Automatic transfer switches; b) Manual or non-automatic transfer switches; c) Closed transition transfer switches; d) Hybrid transfer switches; e) Transfer switches for fire pumps; f) Bypass/…

1 Scope This clause of Part 1 is replaced by the following. This International Standard deals with the safety of gas, oil and solid-fuel burning appliances having electrical connections, for household and similar purposes, their rated voltage being not more than 750 V . This standard covers the electrical safety and some other safety aspects of these appliances. All safety aspects are…

1 Scope This part of IEC 60974 specifies safety and construction requirements for TORCHES used for arc welding and allied processes. This document is applicable to MANUAL, MECHANICALLY GUIDED, AIR-COOLED, LIQUID-COOLED, MOTORIZED, SPOOL-ON and FUME EXTRACTION TORCHES. In this document, a TORCH consists of the TORCH BODY, the CABLE-HOSE ASSEMBLY and other components. This document is also…

1 Scope This part of IEC 61000 defines the immunity test methods and range of preferred test levels for electrical and electronic equipment connected to low-voltage power supply networks for voltage dips, short interruptions, and voltage variations. This document applies to electrical and electronic equipment having a rated input current not exceeding 16 A per phase, for connection to 50 Hz…

1 Scope 1.1 Application This Standard applies to complete, vent- (flue-) connected, or direct vent connected oil-fired warm air furnaces and unit heaters, irrespective of the heating capacity or the type of burner used. This Standard also applies to oil-fired condensing warm air furnaces. 1.2 Intent This Standard applies to furnaces employing forced circulation of the heated air and furnaces…

1 Scope 1.1 Application This Standard applies to a) complete vent (flue) -connected or direct-vent connected, oil-fired steam, and hot-water boilers that are provided with automatic control devices; b) oil-fired steam and hot-water condensing boilers; c) boilers having an input of less than 117.2 kW (400 000 Btu/h); d) low-pressure boilers (as defined in Clause 3) having an input of 117…

1 Scope 1.1 Intent This Standard applies to complete flue-connected, oil-fired service water heaters that are provided with automatic control devices. These service water heaters may be used both for heating and for supplying of domestic hot water. They are not intended to be used as sole-source heating appliances. 1.2 Application The requirements in this Standard apply to a) service water…

1 Scope 1.1 Inclusions This Standard specifies minimum requirements for the design, installation, examination, and testing of siphonic roof drains. It includes definitions of terms and parameters involved in the design of siphonic drainage systems. This Standard applies to roof drains designed and manufactured for installation in piping systems that are intended to operate under depressurized…

Scope Replacement: This part of IEC 60730 applies to automatic electrical BURNER CONTROL SYSTEMS for the AUTOMATIC CONTROL of burners for oil, gas, coal or other combustibles intended to be used • for household and similar use, • in shops, offices, hospitals, farms and commercial and industrial applications. This International Standard is applicable • to a complete BURNER CONTROL SYSTEM…

This document applies to the basic safety and essential performance of an infant cardiorespiratory monitor, as defined in 3.10, hereafter also referred to as ME equipment, in combination with its accessories: —    intended for use in the home healthcare environment; —    intended for use by a lay operator; —    intended to monitor cardiorespiratory parameters in sleeping or resting children under…