Buy IEC Ed. International standard of resistance for copper from SAI Global. Find the most up-to-date version of IEC at Engineering International standard of resistance for copper – IEC Specifies values of the physical properties of annealed copper and how the conductivity of.
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List of International Electrotechnical Commission standards. The main problem being that not all copper has the same resistivity value, so, for example, a 4mm 2 conductor from two different suppliers may have different resistance values. Instead this document describes conductors by their nominal size, determined by resistance rather than physical dimensions.
However this document allows an easy reference whereby the standard conductor sizes and reference to physical dimensions are maintained but given an exact meaning in terms of the electrical characteristics of a conductor. From Wikipedia, the free encyclopedia.
IEC is the International Electrotechnical Commission ‘s international standard on conductors of insulated cables. Unsourced material may be challenged and removed. International standard of resistance for copper Article no: Please help improve this article by adding citations to reliable sources. When you use our service you can be assured the latest editions and easy access. Read more about SIS Subscriptions. The nominal see below cross-sectional area for standard conductors including the following:.
This article needs additional citations for verification. Specifies values of the physical properties of annealed copper and how the conductivity of commercial annealed copper can be calculated and expressed as a percentage of standard annealed copper. The standard is now in your shopping cart. The cross-sectional area is also related to the maximum current that a wire can carry safely.
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This is a key distinction as it makes a standardized definition of conductors based solely on their electrical characteristics. IEC standards Wire gauges Engineering stubs. Use British English Oxford spelling from December Articles needing additional references from October All articles needing additional references All stub articles. Almost all characteristics of conductors, resistance, current carrying capacity etc. Shopping cart Close cart 0, foreach: The current version is Third Edition  Among other things, it defines a set of standard wire cross-sectional areas:.
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Irc page was last edited on 16 Novemberat English French Written by: This document and its precursors were created due to a need for a standard definition of cable conductor size. Report error on page. October Learn how and when to remove this template message.