Fibre optic active components and devices - Reliability standards - Part 4: Guidelines for optical c...
IEC/TR 62572-4:2020, which is a Technical Report, provides guidelines for optical connector end-face cleaning methods for receptacle style optical transceivers. It includes details about handling receptacle style optical transceivers, internal structures of optical transceivers, information on cleaning tools and machines, applicable cleaning methods, and cleaning procedures. Receptacle style…
Electromagnetic compatibility - Requirements for household appliances, electric tools and similar ap...
CISPR 14-1:2020 specifies the requirements that apply to the emission of radio-frequency disturbances in the frequency range 9 kHz to 400 GHz from appliances, electric tools and similar apparatus as defined below, whether powered by AC or DC (including a battery). This document is applicable to the following equipment:
- household appliances or similar equipment;
- electric tools;
- similar…
This document deals with the likely degradation of air performance of fans tested in standardized airways in accordance with ISO 5801 when compared with the performance of fans tested under actual site conditions. It deals with the performance of a number of generic types of fan and fittings. The results given are intended as guidelines and only provide trends, as the system effect depends on the…
Electromagnetic compatibility - Requirements for household appliances, electric tools and similar ap...
CISPR 14-1:2020 specifies the requirements that apply to the emission of radio-frequency disturbances in the frequency range 9 kHz to 400 GHz from appliances, electric tools and similar apparatus as defined below, whether powered by AC or DC (including a battery). This document is applicable to the following equipment:
- household appliances or similar equipment;
- electric tools;
- similar…
Household and similar electrical appliances - Safety - Part 1: General requirements
IEC 60335-1:2020 deals with the safety of electrical appliances for household and similar purposes, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances including direct current (DC) supplied appliances and battery-operated appliances.
Appliances not intended for normal household use but which nevertheless may be a source of danger to the public…
Household and similar electrical appliances - Safety - Part 1: General requirements
IEC 60335-1:2020 deals with the safety of electrical appliances for household and similar purposes, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances including direct current (DC) supplied appliances and battery-operated appliances.
Appliances not intended for normal household use but which nevertheless may be a source of danger to the…
1 Scope
This International Standard specifies safety requirements for electric toys that have at least
one function dependant on electricity, electric toys being any product designed or intended,
whether or not exclusively, for use in play by children under 14 years of age.
NOTE 1 Examples of electric toys also within the scope of this standard are
– constructional sets;
– experimental sets…
1 Scope
1.1
This Standard applies to electric supply and communication lines and equipment located entirely
outside of buildings and fenced supply stations and buildings, and also where the installations or
equipment are inside buildings or sections of buildings where they are employed by a utility of
a) an electric system;
b) a communication system; or
c) a community antenna distribution…
1.1 These requirements cover valves that are intended to be used for the control of flammable and
combustible liquids and their vapors. They are of the type commonly used in piping systems and in the
assembly of motor fuel dispensing and fuel burning equipment. Valves covered by this standard are for
use with flammable liquids which are handled at temperatures normally within the range of -29°…