Appendix B



24 CFR 3280.101 Scope

Subpart B states the planning requirements in manufactured homes.

The intent of this subpart is to assure the adequacy of architectural planning considerations, which assist in determining a safe and healthful environment.

3280.103 Light and ventilation

3280.104 Ceiling heights

3280.105 Exit facilities; exterior doors

3280.106 Exit facilities; egress windows and devices

3280.107 Interior privacy

3280.108 Interior passage

3280.109 Room requirements

3280.110 Minimum room dimensions

3280.111 Toilet compartments

3280.112 Hallways

3280.113 Glass and glazed openings


24 CFR 3280.201 Scope

The purpose of this subpart is to set forth requirements that will assure reasonable fire safety to the occupants by reducing fire hazards and by providing measures for early detection.

3280.203 Flame spread limitations and fire protection

3280.204 Kitchen cabinet protection

3280.205 Carpeting

3280.206 Firestopping

3280.207 Requirements for foam plastic thermal insulating

3280.208 Fire detection equipment

3280.209 Fire testing


24 CFR 3280.301Scope

This subpart covers the minimum requirements for materials, products, equipment and workmanship needed to assure that the manufactured home will provide:

  1. Structural strength and rigidity,

  2. Protection against corrosion, decay, insects and other similar destructive forces,

  3. Protection against hazards of windstorm,

  4. Resistance to the elements, and

  5. Durability and economy of maintenance


3280.305 Structural design requirements

3280.306 Windstorm protection

3280.307 Resistance to elements and use

3280.308 Formaldehyde emission controls for certain wood products

3280.309 Health Notice on formaldehyde emissions


24 CFR 3280.401 Structural load tests

24 CFR 3280.402 Test procedure for roof trusses

24 CFR 3280.403 Standard for windows and sliding glass doors used in manufactured homes

24 CFR 3280.404 Standard for egress windows and devices for use in manufactured homes

24 CFR 3280.405 Standard for swinging exterior passage doors for use in manufactured homes

24 CFR 3280.406 Air chamber test method for certification and qualification of formaldehyde emission levels


24 CFR 3280.501 Scope

This subpart sets forth the requirements for condensation control, air infiltration, thermal insulation and certification for heating and comfort cooling

3280.504 Condensation control and installation of vapor retarders

3280.505 Air infiltration

3280.506 Heat loss/heat gain

3280.507 Comfort heat gain

3280.508 Heat loss, heat gain and cooling load calculations

3280.509 Criteria in absence of specific data

3280.510 Heat loss certificate

3280.511 Comfort cooling certificate and information


24 CFR 3280.601 Scope

Subpart G of this standard covers the plumbing materials, fixtures, and equipment installed within or on manufactured homes. It is the intent of this subpart to assure water supply, drain, waste, and vent systems, which permit satisfactory functioning and provide for health and safety under all conditions of normal use.

3280.605 Joints and connections

3280.606 Traps and cleanouts

3280.607 Plumbing fixtures

3280.608 Hangers and supports

3280.609 Water distribution systems

3280.610 Drainage systems

3280.611 Vents and venting

3280.612 Tests and inspection


24 CFR 3280.701 Scope

Subpart H of this standard covers the heating, cooling and fuel burning equipment installed within, on, or external to a manufactured home.

3280.703 Minimum standards

3280.704 Fuel supply systems

3280.705 Gas piping systems

3280.706 Oil piping systems

3280.707 Heat producing appliances

3280.708 Exhaust duct system and provisions for the future

3280.709 Installation of appliances

3280.710 Venting, ventilation and combustion air

3280.711 Instructions

3280.712 Marking

3280.713 Accessibility

3280.714 Appliances, cooling

3280.715 Circulating air systems


24 CFR 3280.801 Scope

(a) Subpart I of this standard and part A of Article 550 of the National Electrical Code (NFPA No. 70-1993) cover the electrical conductors and equipment installed within or on manufactured homes and the conductors that connect manufactured homes to a supply of electricity.

(b) In addition to the requirements of this standard and Article 550 of the National Electrical Code (NFPA No. 70-1993) the applicable portions of other Articles of the National Electrical Code shall be followed covering electrical installations in manufactured homes.

Wherever the requirements of this standard differ from the National

Electrical Code, this standard shall apply.

(c) The provisions of this standard apply to manufactured homes intended for connection to a wiring system nominally rated 120/240volts, 3-wire AC, with grounded neutral.

(d) All electrical materials, devices, appliances, fittings and other equipment shall be listed or labeled by a nationally recognized testing agency and shall be connected in an approved manner when in service.

(e) Aluminum conductors, aluminum alloy conductors, and aluminum core conductors such as copper clad aluminum; are not acceptable for use in branch circuit wiring in manufactured homes.

3280.803 Power supply

3280.804 Disconnecting means and branch-circuit protective

3280.805 Branch circuits required

3280.806 Receptacle outlets

3280.807 Fixtures and appliances

3280.808 Wiring methods and materials

3280.809 Grounding

3280.810 Electrical testing

3280.811 Calculations

3280.812 Wiring of expandable units and dual units

3280.813 Outdoor outlets, fixtures, air-conditioning equipment,

3280.814 Painting of wiring

3280.815 Polarization


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