(a) Lot electrical service and its equipment for a new lot shall be rated at not less than 100-amperes (24,000 volt-amperes) and shall be listed and labeled “Service Equipment”, “Suitable for Use as Service Equipment” or “Suitable for Use as Service Equipment for Manufactured Homes or Mobilehomes”. MH-unit lot service equipment shall be capable of supplying not less than the required demand to an MH-unit. The rating of the overcurrent protection in the MH-unit lot service equipment shall not exceed the rating of the feeder assembly connected by a permanent wiring method. MH-unit lot service equipment may contain any or all of the approved receptacles conforming to section 1186 of this chapter.

(b) The lot service equipment for existing lots need not be upgraded to comply with the minimum standards contained in subsection (a). However, subject to the conditions and park approvals contained in section 1188, lot service must meet the rated load of the existing or proposed unit installed on the lot, including other attached loads.

(c) MH-unit lot service equipment may also contain a means for supplying accessory buildings or structures or building components or other electrical equipment located on the lot, provided the MH-unit lot service equipment is designed and listed for such application.

(d) Only one power supply connection shall be made to a unit.

(e) Lot service equipment may also contain additional receptacles for supplying portable electrical equipment, provided that such receptacles are listed grounding-type receptacles. All 120-volt, single-phase, 15- and 20-ampere receptacle outlets in lot service equipment shall be protected by ground-fault circuit protection. The requirement for ground-fault circuit protection shall not apply to equipment or installations constructed, installed, or approved for construction or installation prior to September 1, 1975.

(f) When an electrical meter is installed as an integral component of the lot service equipment, it shall be of a class or rating that will accurately measure all loads up to the rated ampacity of the lot service equipment.

(g) When the electrical meter-base equipment is to be attached to the MH-unit at the time of installation, an alteration permit for the unit is required pursuant to Section 18029 of the Health and Safety Code.

(h) Parks constructed after January 1, 1997, shall have individual electric meters for each lot and shall be served by electrical distribution facilities owned, operated, and maintained by the electrical corporation as defined in section 218 of the Public Utilities Code providing electric service in the area, in accordance with Public Utilities Code section 2791.