ARTICLE 427. FIXED ELECTRIC HEATING EQUIPMENT FOR PIPELINES AND VESSELS


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ARTICLE 427. FIXED ELECTRIC HEATING EQUIPMENT FOR PIPELINES AND VESSELS
ARTICLE 427. FIXED ELECTRIC HEATING EQUIPMENT FOR PIPELINES AND VESSELS427.22. Ground–Fault Protection of Equipment. Electric heating equipment applied to pipelines or vessels must be supplied by a branch circuit with ground fault protection. This is extensively covered for similar equipment in the discussion about deicing and snow-melting equipment; see 426.28 for the analysis.427.23. Grounded Conductive Covering. These rules require an overall grounded metal jacket on any heating cables intended to be installed on pipelines or vessels. In addition, for heating…
Citation
Frederic P. Hartwell; Joseph F. McPartland; Brian J. McPartland: McGraw-Hill's National Electrical Code 2017 Handbook, 29th Edition. ARTICLE 427. FIXED ELECTRIC HEATING EQUIPMENT FOR PIPELINES AND VESSELS, Chapter (McGraw-Hill Professional, 2017), AccessEngineering Export