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About This Item
Full Description
Preface
This is the third edition of CSA C57, Electrical power connectors for use in overhead line conductors. It supersedes previous editions published in 1998 and 1966. This edition includes the following key revisions: a) Reference publications and definitions have been updated. b) Electrical and mechanical performance as applied to range-taking connectors has been clarified (see Clauses 4.2.1 and 4.4.7, respectively). c) An accelerated method for electrical performance has been included (see Clause 6.6.1.3). d) Testing requirements for connectors of similar design but of difference sizes has been specified (see Clause 5). e) An optional short-circuit test that can be specified by the purchaser has been included (see Clause 6.10). As experience with this optional test is gained, consideration will be given in the context of a future edition to specifying the short-circuit test as normative. f) The environmental test procedure has been revised (see Clause 8). g) Annex A has been clarified. h) Annex D has been expanded to provide additional guidance on test reports. i) Three new informative annexes have been included, as follows:- i) Annex E on a sheave testing; ii) Annex F illustrating the types of connectors covered by this Standard; and iii) Annex G listing various conductor Standards.