UL SUBJECT 1683-2013 OUTLINE OF INVESTIGATION FOR ELECTRIC HEATING PRODUCTS FOR INSTALLATION UNDER FLOOR COVERINGS (Issue 2).pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSeptember 20, 20131UL 1683Outline of Investigation for Electric Heating Products For Installation UnderFloor CoveringsISSUE NO: 2September 20, 2013Summary of TopicsThis is the second issue of the

2、 Outline of Investigation for ElectricHeating Products For Installation Under Floor Coverings, UL 1683. Wetlocation requirements are being added to the Outline.COPYRIGHT 2013 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSI

3、ON FROM ULSEPTEMBER 20, 2013UL 16832No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .62 Units of Measurement .83 References .84 Glossary .8CONSTRUCTION5 General .106 Enclosure .117 Flammability 1

4、57.1 Flexible heating products, heating cables, and cables with carrier .157.2 Rigid heating products with polymeric enclosures .167.3 Heating products directly in contact with carpet .168 Connectors 169 Supplemental Insulation, Insulating Bushings and Assembly Aids 1710 Current-Carrying Parts 1711

5、Non-Heating Leads .1712 Free Non-Heating Leads .1813 Heating Leads 1814 Splices and Connections 1915 Electrical Insulation .1916 Electrical Spacings 1917 Grounding .2017.1 All products 2017.2 Heating cables .2118 Accessories 22PERFORMANCEALL HEATING PRODUCTS19 General 2220 Test Voltage .2421 Normal

6、Temperature Test 2621.1 General .2621.2 Wood subfloor installation .3021.3 Concrete subfloor installation 3021.4 Installation .3021.5 Test procedure .30ELECTRIC HEATING CABLES (INCLUDES CABLES ON A CARRIER)22 Power Input Test .3423 Dielectric Voltage-Withstand Test .3424 Insulation Resistance Test .

7、3425 Splice Test .3526 Grounding Component Ampacity Test 35SEPTEMBER 20, 2013 UL 1683 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULALL ELECTRIC HEATING PANELS AND HEATING PANEL SETS (INCLUDES FLEXIBLE FILM-TYPEAND RIGID PANELS)27 Power Inp

8、ut Test .3628 Contact Loss Test 36FLEXIBLE HEATING PANELS AND HEATING PANEL SETS (FILM-TYPE HEATERS)29 Dielectric Voltage-Withstand Test (Dry) 3730 Dielectric Voltage-Withstand Test (In Water) .3831 Cold Bend Test .3832 Mechanical Abuse Tests 3932.1 General .3932.2 Conditioning .3933 Scratch Test .4

9、034 Non-heating Conductor (Busbar) Overload Test 40RIGID HEATING PANELS AND HEATING PANEL SETS35 Dielectric Voltage-Withstand Test (Dry) 4136 Dielectric Voltage-Withstand Test (Water) 4137 Impact Bend Test .4138 Drop Test .42EMBEDDED HEATING PRODUCTS39 General 4240 Performance .42ELECTRIC HEATING PR

10、ODUCTS TO BE INSTALLED UNDER OR IN DECORATIVE CONCRETEFLOORING41 General 4242 Performance .43ELECTRICAL HEATING PRODUCTS TO BE INSTALLED IN DIRECT CONTACT WITH SOLIDSURFACE FLOOR COVERING (INCLUDES NON-EMBEDDED INSTALLATION UNDER TILE,LAMINATE, HARDWOOD)43 General 4344 Performance .43ELECTRIC HEATIN

11、G PRODUCTS TO BE INSTALLED IN DIRECT CONTACT WITH CARPET45 General 4346 Performance .4347 Overvoltage Test .4448 Continuous Static Loading Test .4449 Spot Load Temperature Test .4450 Impact Test 4451 Crush Test .4452 Cold Bend Test .4553 Cold Crease Test .45SEPTEMBER 20, 2013UL 16834UL COPYRIGHTED M

12、ATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL54 DC Resistance Test .4555 Mechanical Strength Test 4656 Immersion Test .4657 Penetration Test 4658 Connections Test 4659 Flame Retardant Tests 4660 Aging Test and Dielectric Voltage-Withstand Test (In Water) .

13、4761 Dynamic Loading Test .47WET LOCATION HEATING EQUIPMENT - HEATING CABLE BASED CONSTRUCTION62 General 4763 Performance .4763.1 Dielectric voltage-withstand test in water (complete assembly) .4763.2 Long-term insulation resistance in water test (heating cable and non-heating cables) .4863.3 Long-t

14、erm resistance to water test (complete assembly) 4863.4 Resistance to water test (complete assembly) .4964 Markings .4965 Instructions 49MANUFACTURING AND PRODUCT TESTS - ALL PRODUCTS66 Details .49RATINGS - ALL PRODUCTS67 Details .51MARKINGS - ALL PRODUCTS68 Details .5168.1 General .5168.2 Electric

15、Heating Cables and Cables on Carrier .5268.3 Electric heating panels 52INSTALLATION AND OPERATING INSTRUCTIONS - ALL PRODUCTS69 Details .54SEPTEMBER 20, 2013 UL 1683 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These

16、 requirements cover fixed electric heating products for installation under floor coverings andabove a subfloor, in accordance with the National Electrical Code, NFPA 70, Article 424, for use onsystem voltages not exceeding 600 V.1.2 These requirements cover electric heating products of the type spec

17、ified in 1.3, only when installedper 1.4.1.3 These requirements cover the following product types:a) Electric heating cables and cables on carriers;b) Flexible and rigid electric heating panels, mats, and heating panel sets;c) Electric flexible heating products, including carbon film-type constructi

18、ons; andd) Any combination of the above.1.4 These requirements cover one or more of the following installation types:a) Above a subfloor, the subfloor being constructed of wood, concrete, or other material;b) Directly underneath a floor covering such as tile, carpet, wood, laminate, sheet vinyl,deco

19、rative concrete, or other floor covering;c) Embedded in and covered with a layer of thinset, mortar, or the like under a floor covering;d) Not embedded, and in direct contact with combustible or combustion resistant materialsubfloor or floor covering, except as noted in 1.7(j);e) In dry or damp loca

20、tions per the National Electrical Code, NFPA 70; andf) Any combination of the above.1.5 These requirements do not cover electric space, floor, or ceiling heating products that are fullyaddressed by individual requirements that are separate from this Outline, including:a) Electric heating cables that

21、 are within the scope of the Standard for Electric Space HeatingCables, UL 1673; andb) Electric heating panels and heating panel sets that are within the scope of the Standard forElectric Heating Panels and Heating Panel Sets, UL 1693.SEPTEMBER 20, 2013UL 16836UL COPYRIGHTED MATERIAL NOT AUTHORIZED

22、FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL1.6 These requirements do not cover electric heating products that are covered by individualrequirements that are separate from this Outline. Other related standards include:a) Electrical Resistance Heat Tracing for Commercial and Ind

23、ustrial Applications, UL 515;b) Movable and Wall- or Ceiling-Hung Electric Room Heaters, UL 1278;c) Outline of Investigation for Mobile Home Pipe Heating Cables, UL 1462;d) Outline of Investigation for Roof and Gutter De-Icing Cable Units, UL 1588;e) Outline of Investigation for Residential Pipe Hea

24、ting Cables, UL 2049;f) Fixed and Location-Dedicated Electric Room Heaters, UL 2021; andg) Electric Heating Appliances, UL 499.1.7 These requirements do not cover the following:a) Heating products connected to the supply by use of a flexible cord with attachment plug;b) Heating products that are mov

25、able after installation;c) Heating products with integral means of producing air flow;d) Heating products manufactured and sold as an integral part of a floor covering materialssuch as heated floor tiles, heated carpet, and heated laminate floor;e) Heating products intended for use outdoors;f) Heati

26、ng products intended for installation on, in, or above a ceiling;g) Heating products intended for installation in or under a concrete subfloor;h) Heating products intended for installation under a wood subfloor;i) Heating products employing self-regulating or positive temperature coefficient (PTC) h

27、eaterdesign; andj) Flexible film-type products not embedded, and installed directly in contact with rigid or flexiblefloor coverings.1.8 These requirements do not cover additional grounding or shielding that may be required duringinstallation in accordance with local or national codes.1.9 These requ

28、irements do not cover switches, transformers, power supplies, controls (i.e. temperature)or protective devices (i.e. ground fault protection) that are installed separate from the heating equipmentas part of the complete heating system installation, unless inherent to the heating product. Those devic

29、esare covered by individual requirements that are separate from this Outline.SEPTEMBER 20, 2013 UL 1683 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL2 Units of Measurement2.1 Values stated without parentheses are the requirement. Values in

30、 parentheses are explanatory orapproximate information.3 References3.1 Any undated reference to a code or standard appearing in the requirements of this outline shall beinterpreted as referring to the latest edition of that code or Standard.4 Glossary4.1 For the purpose of this outline, the definiti

31、ons in this Section apply.4.2 CARBON FILM-TYPE HEATING PRODUCT A flexible film-type heating product that utilizescarbon conductive material as the resistive heating element. A carbon dispersion heater is one type ofcarbon film-type product.4.3 CARRIER Part of a cable-based product, such as a mesh, f

32、abric, or similar material, used tobind or arrange the cable in preset configuration. Serves to maintain spacing of heating cable betweenadjacent runs and to provide ease of installation. Also known as a Scrim or Mesh. A carrier may providesome mechanical protection for the product, but does not ser

33、ve as an electrical or fire enclosure.Applied to one or both sides of the product. The heating cable is either visible or fully covered aftermated with the carrier.4.4 COMBUSTIBLE MATERIAL A material not resistant to ignition and flame spread used inbuildings and structures for floors, subfloors, fl

34、oor coverings, shared ceilings, and adjacent walls. Forthe purpose of these requirements, examples include wood, gypsum board, carpet, and underlaymentpadding.4.5 COMBUSTION RESISTANT MATERIAL A material known to be resistant to ignition and flamespread used in buildings and structures for floors, s

35、ubfloors, floor coverings, shared ceilings, andadjacent walls. Examples of combustion resistant materials include metal, concrete, masonry, cementboard, thinset, floor leveler, etc.4.6 ELECTRIC HEATING CABLE An assembly consisting of a heating lead and a non-heating leador leads intended for install

36、ation in the field, provided in predefined lengths or on a spool. Also knownas Heating Cable. Power output is provided in watts per specific length or in watts per unit length.4.7 ELECTRIC HEATING PRODUCT An electric resistive heating device which provides conductive,radiant, and/or convective heat

37、to the floor surface and room. Comprises a complete product includingheating components and means of connection to building power. Also referred to as Heating Product,and Heating Equipment.4.8 EMBEDDED Having all parts of the heating device fully covered on top and bottom withcombustion resistant bu

38、ilding material, such as thinset, mortar, concrete, etc. A product not covered onthe top surface, is not considered embedded.4.9 FLEXIBLE FILM-TYPE HEATING PRODUCT An electric heating panel composed of thin flexiblesheets of electrical insulating material enclosing a heating element, which is intend

39、ed for installation incontact with normal building construction materials.SEPTEMBER 20, 2013UL 16838UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL4.10 FLOOR COVERING A finished top surface or layer of a floor exposed to the room, such ashard

40、wood, tile, linoleum, laminate, decorative concrete, or carpet. A solid-surface floor covering is onethat is rigid and generally hard, including tile, laminate flooring, hardwood, marble, etc.4.11 HEATING LEAD That portion of the electric heating cable that, by means of electricalresistance, is prov

41、ided for the intent of heating. Power output is provided in watts per specific length orin watts per unit length.4.12 HEATING PANEL A flexible film-type or rigid complete assembly, provided in presetconfiguration or dimensions, and provided with a junction box or length of flexible conduit or cable

42、forconnection to the branch circuit. Power output is provided in total watts or watts per area.4.13 HEATING PANEL, PARALLEL TYPE A heating panel constructed of a heating element mediumwith parallel bus bars or conductors. Voltage is applied to the bus conductors and heat is generated bycurrent flowi

43、ng through the resistive heating element medium.4.14 HEATING PANEL SET A combination of heating panels to be interconnected to one another,such that the final product dimension is determined during installation.4.15 INTEGRAL COMPONENT Factory-fabricated or field-installed terminations and/or connect

44、ions,such as, end seals and splices, which can be exposed to the same environments as the heating device.4.16 LEADS, FREE NON-HEATING The portion of non-heating leads of an electric heating productthat are located in concealed areas, without a supplemental raceway and not embedded withincombustion r

45、esistant materials, and that are intended to be spliced to electrical power supply leads at ajunction box.4.17 LEADS, NON-HEATING The leads or cable of an electric heating product that are not intendedto consume electrical energy for the purpose of heating. Intended to be connected to free non-heati

46、ngleads, or spliced directly to branch circuit conductors. Also includes connections to controls and otherexternal devices.4.18 MEMBRANE A layer of material used installation to separate other layers (i.e. heating product,thinset, tile, subfloor, etc.). Often provided to serve as a Vapor Barrier, bu

47、t also used for mechanicalprotection, crack prevention, and sound reducer in some cases.4.19 PERM VALUE A measure of the ability of a material to pass water vapor through it. Usuallyused in conjunction with building materials, such as a vapor barrier, membrane, or plywood. A lowerperm value allows l

48、ess moisture to pass through, thus providing better resistance to moisture. A perm at73.4F (23C) is a measure of the number of grains of water vapor passing through a square foot ofmaterial per hour at a differential vapor pressure equal to one inch of mercury (1 W.C.). Any materialwith a perm ratin

49、g of less than 1.0 is considered a vapor retarder.4.20 R VALUE The degree of thermal resistance of a material, expressed in the U.S. asR=ft2Fh/Btu. Commonly used with reference to building materials (insulation, wood, floor coverings, etc.), wherematerials with a higher R value provide a higher insulating value.4.21 RIGID A heating product of fixed construction that is not flexible, and essentially retains itsshape when held from its edges horizontally.4.22 SECURED A heating product positioned and held in place via mechanical means s