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Home > NEC > Code Basics > Article 450: Transformers and Transformer Vaults

Article 450: Transformers and Transformer Vaults

How to keep them cool, safe, and reliable
Find more articles about Transformers

May 1, 2008 Mike Holt | Electrical Construction and Maintenance
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The operation of any facility depends on power distribution, which, in turn, depends on transformers. Safe and reliable operation of transformers is crucial that's where Art. 450 comes in. Part I of Art. 450 contains general requirements such as guarding, marking, accessibility, and ventilation. Part II contains the requirements for different types of transformers, and Part III provides the requirements
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