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IEEE/CSA 844.3-2019

Current Revision
IEEE/CSA Standard for Impedance Heating of Pipelines and Equipment - General, Testing, Marking, and Documentation Requirements
Best Price Guarantee Published: Apr 28, 2019 en - English 88 Pages
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IEEE/CSA Standard for Impedance Heating of Pipelines and Equipment - General, Testing, Marking, and Documentation Requirements

PUBLISH DATE 2019
PAGES 88
New IEEE Standard - Active. The general requirements, testing, markings, and documentation for impedance heating systems for pipes and equipment intended for use in general industrial applications are provided in this standard. This standard provides requirements when utilizing impedance heating systems in ordinary as well as hazardous areas having explosive atmospheres.
This standard applies to general, testing, marking, and documentation requirements for impedance heating systems for steel or steel alloy pipe or equipment, rated up to and including 132 Vac. These heating system components are intended for installation in accordance with the CSA C22.1, Canadian Electrical Code, Part I (CE Code); NFPA 70, National Electrical Code(R) (NEC(R)) in the U.S.; or with any other national electrical installation code, as applicable. This standard applies to impedance heating systems intended to be installed in ordinary and hazardous locations. The hazardous location installations are limited to 30 Vac and include the following: In Canada: Zone 2; Zone 22; or Class I, Division 2; Class II, Division 2; Class III, Division 2 as described in CSA C22.1; and In the U.S.: Class I, Zone 2; Zone 22; or Class I, Division 2; Class II, Division 2; Class III, Division 2 as described in the NEC. This standard also applies to power connection points and control methods used with impedance heating systems. NOTE 1-- Requirements for certification of insulated impedance conductors with insulation temperature ratings above 105°C may be considered under a special investigation by an accredited certification body. NOTE 2-- Information on transformer, power distribution and control components can be found in IEEE Std 844.4/CSA 293.4.
This standard provides testing, marking, design, and documentation requirements for impedance heating system components. Impedance heating systems which follow the component requirements as outlined here are intended to: a) Maintain design temperature; and b) Provide electrical, thermal, and mechanical durability and reliability.

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