Ohio Administrative Code › Title 4781 - Ohio Manufactured Homes Program › Chapter 4781-6 - Installation Standards › Section 4781-6-03.7 - Electrical systems and equipment

Current through all regulations passed and filed through July 1, 2024
(A) Electrical
			 crossovers.
Multi-section homes with electrical wiring in more than one
				section require crossover connections to join all sections of the home. The
				crossover shall be completed in accordance with the directions provided in the
				installation instructions.
(B) Miscellaneous lights and fixtures.
(1) When the home is installed, exterior
			 lighting fixtures, ceiling-suspended (paddle) fans, and chain-hung lighting
			 fixtures shall be permitted to be installed in accordance with their listings,
			 the MHCSS, and
			 these standards.
(2) Grounding.
(a) All the exterior lighting fixtures and
			 ceiling fans installed per the MHCSS and these
			 standards shall be grounded by a fixture-grounding device or by a
			 fixture-grounding wire.
(b) For
			 chain-hung lighting fixtures, as shown in figure 7A of this rule, both a
			 fixture-grounding device and a fixture-grounding wire shall be used. The
			 identified conductor shall be the neutral conductor.
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(3) Where lighting fixtures are mounted on
			 combustible surfaces such as hardboard, a limited combustible or noncombustible
			 ring, as shown in figures 7A and 7B of this rule, shall be installed to
			 completely cover the combustible surface exposed between the fixture canopy and
			 the wiring outlet box.
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(4)
			 Exterior Lights.
(a) The junction box covers
			 shall be removed, and wire-to-wire connections
			 shall be made using listed wire connectors.
(b) Wires shall be connected in compliance
			 with the national electrical code (NEC) .
(c) The wires shall be pushed into the box,
			 and the lighting fixture shall be secured to the junction box.
(d) The lighting fixture shall be caulked
			 around its base to ensure a watertight seal to the sidewall.
(e) The light bulb shall be installed, and the globe shall be attached.
(5) Ceiling fans.
(a) Ceiling-suspended (paddle) fans shall be
			 connected to a junction box listed for ceiling fan application and installed
			 with the trailing edges of the blades at least six feet four inches above the
			 finished floor.
(b) The wiring
			 shall be connected in accordance with the product manufacturer's installation
			 instructions.
(6)
			 Testing.
(a) After completion of all
			 electrical wiring and connections, including crossovers, electrical lights, and
			 ceiling fans, the electrical system shall be inspected and tested. Testing
			 shall be done in accordance with the manufacturer's installation instructions.
			 Where no manufacturer's installation manual test procedure is available, the
			 test shall be performed in accordance with testing procedures provided on forms
			 approved by the division.
(b) Each manufactured home shall be subjected
			 to the following tests:
(i) An electrical
			 continuity test to ensure that metallic parts are effectively bonded;
(ii) Operational tests of all devices and
			 utilization equipment, except water heaters,
			 electric ranges, electric furnaces, dishwashers, clothes washers/dryers, and
			 portable appliances, to demonstrate that they are
			 connected and in working order; and
(iii) For electrical equipment installed or
			 completed during installation, electrical polarity checks shall be completed to
			 determine that connections have been made properly. Visual verification is an
			 acceptable electrical polarity check.