UL 791
Standard for Residential Incinerators

DETAILS
Edition Number:5SCC Approved:--
Edition Date:2006-11-10DOD Approved: --
Price Code:AANSI Approved: --
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements apply to direct-fed incinerators, including those of the gas and electric ignition types, designed primarily for use in one-and two-family dwellings for the burning of ordinary combustible waste materials and garbage incidental to domestic occupancy and having a firebox or charging compartment of not over 5 cubic feet capacity.

    1.2 Incinerators of this type may also be employed in other occupancies including commercial establishments and institutions where the refuse is of a character for which the incinerator is designed and is not excessive in amount. They are not intended for use in spaces in which flammable vapor or gases may be present.

    1.3 Incinerators covered by these requirements are the factory-made type not requiring field construction, and are designed for inside use. These requirements do not cover an incinerator that requires the use of a brick or masonry wall, etc., which forms a part of the building structure, or requires masonry work at the site to complete the incineration chamber.

    1.4 Deleted November 7, 2014

    1.5 A product that contains features, characteristics, components, materials, or systems new or different from those in use when the standard was developed, and that involves a risk of fire, electric shock, or injury to persons, shall be evaluated using the appropriate additional component and end-product requirements as determined necessary to maintain the level of safety for the user of the product as originally anticipated by the intent of this standard.

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Components
          • 3 Units of Measurement
          • 4 Glossary
          • 5 Installation and Operating Instructions
        • CONSTRUCTION
          • 6 Assembly
          • 7 Enclosure
          • 8 Internal Wiring
          • 9 Wiring Methods
          • 10 Field-Wiring Connections
          • 11 Ash Compartment
          • 12 Body
          • 13 Capacity
          • 14 Casing
          • 15 Charging Door
          • 16 Combustion Chamber
          • 17 Combustion Regulation
          • 18 Damper
          • 19 Disposal of Combustion Products
          • 20 Draft Hood
          • 21 Flue Collar
          • 22 Grates
          • 23 Insulation, Thermal
          • 24 Radiation Shields
        • ELECTRICAL COMPONENTS
          • 25 General
          • 26 Electrical Enclosures
          • 27 Heating Elements
        • SPACINGS
          • 28 General
        • GAS EQUIPMENT
          • 29 Burners
          • 30 Primary Air Control
          • 31 Orifices and Orifice Fittings
          • 32 Pilots
          • 33 Automatic Pilot Devices
          • 34 Pilot Filters
          • 35 Gas Valves
          • 36 Gas Supply Lines
          • 37 Gas-Pressure Regulators
        • PERFORMANCE
          • 38 General
          • 39 Test Installation Enclosure, Flue Pipe, and Chimney
          • 40 Instrumentation
            • 40.1 Draft measurement
            • 40.2 Power measurement
            • 40.3 Temperature measurement
          • 41 Initial Test Conditions
          • 42 Capacity Charge – Maximum Air Supply Test
          • 43 Capacity Charge – Normal Air Supply Test
          • 44 Continuous Charge Test
          • 45 Power Input Test
          • 46 Dielectric Withstand Test
          • 47 Insulation Resistance Test
          • 48 Gas Burner Test
          • 49 Strength Test
        • MANUFACTURING AND PRODUCTION TESTS
          • 50 General
        • MARKING
          • 51 General