Dead-end/suspension composite insulators for overhead lines less than or equal to 75 kV
Updates #1, 2 and 3 to this standard are available.
Note: Users will be able to enter data, save and print Annex D - Manufacturer's design test report, Annex E - Manufacturer's type test report and Annex F - Manufacturer's sample/routine test report included as interactive forms in this PDF.
This is the first edition of CSA C411.5, Dead-end/suspension composite insulators for overhead lines ≤ 75 kV.
This Standard covers the requirements for dead-end/suspension composite insulators used on overhead distribution lines operating at nominal voltages up to and including 75 kV. Dead-end insulators support the line conductor horizontally. Suspension insulators support the line conductor vertically. Both are subjected to tensile and torsional loads.
These composite insulators are intended to operate in a service environment within a temperature range of -50 to 50 °C.
This Standard deals with composite insulators having a core with metal fittings and a housing and sheds. The core has resin-impregnated glass fibres. The housing and sheds consist of elastomers (e.g., silicone, ethylene propylene). The metal fittings are aluminum, steel, or iron.
In CSA Standards, shall is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; should is used to express a recommendation or that which is advised but not required; and may is used to express an option or that which is permissible within the limits of the standard.
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Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application.