A site built home has electric service that runs directly to the home, either overhead or underground, with an electric meter typically on an exterior wall, and the service equipment (also called the main service panel) nearby or somewhere inside the home. There may, or may not, also be a distribution panel inside the home.
But the National Electric Code (NEC) requirements for mobile homes are slightly different:
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1)The main service panel is not allowed to be attached to or installed in a mobile home. It must be located within sight and not more than 30 feet away from the mobile home. It is typically mounted on a service pole (for overhead service) or service pedestal (for underground service), and the panel must be at least 100 amps and not less than the rating of the distribution panel inside the home installed by the manufacturer.
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2)The distribution panel inside the mobile home is required to be in an accessible location, and not in a closet or bathroom. Because it is a subpanel, it must have an isolated neutral terminal bar (not bonded to ground).
