NEC Electrical Requirements for Prefabricated Homes

NEC Electrical Requirements for Prefabricated Homes

Article 550 provides the requirements for electrical work related to prefabbed housing units, commonly known as mobile or manufactured homes.

Article 550 generally includes manufactured homes in the term “mobile home” [550.2]. But in some cases, there’s a distinction — and it’s important. So how can you avoid confusion? If both terms appear in any subsection, the NEC is making a distinction; if only “mobile home” appears, then it’s not.

These homes come in many sizes, including high square footage configurations (Photo 1). But the traditional trailer-sized unit (Photo 2) is (for econo

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