UL SUBJECT 201A-2009 OUTLINE OF INVESTIGATION FOR POWERED AND NON-POWERED CABINETS FOR USE IN SERVICE GARAGES (Issue 2)《在服务车库中使用的动力和非动力机柜的调查大纲 (议题2)》.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAugust 28, 20091SUBJECT 201AOUTLINE OF INVESTIGATIONFORPOWERED AND NON-POWERED CABINETS FOR USE IN SERVICEGARAGESIssue Number: 2August 28, 2009Summary of TopicsThis Second Issue of Subject 201A,

2、Outline of Investigation for Poweredand Non-Powered Cabinets for Use in Service Garages includes a revisionto the Stability Tests in Section 28.The UL Foreword is no longer located within the UL Standard. For informationconcerning the use and application of the requirements contained in thisStandard

3、, the current version of the UL Foreword is located onULStandardsInfoNet at: http:/ 2009 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAUGUST 28, 2009SUBJECT 201A2No Text on This PageUL COPYRIGHTED MATERIAL NOT

4、AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .52 Components 53 Units of Measurement .64 Undated References 65 Glossary .6CONSTRUCTION6 General 77 Assembly 78 Materials .79 Corrosion Resistance 810 Accessibility of Uninsulated Live Parts 811

5、 Supply Connections .1011.1 Cord connection .1011.2 Strain relief 1111.3 Bushings 1212 Internal Wiring 1213 Grounding and Bonding .1313.1 Grounding .1313.2 Bonding .1514 Receptacles 1815 Lampholders .1816 Interconnecting Cords and Cables 2017 Spacings 20PROTECTION AGAINST INJURY TO PERSONS18 General

6、 2219 Sharp Edges .2220 Stability 2221 Mechanical Loading .23PERFORMANCE22 General 2323 Input Test 2324 Temperature Test .2425 Dielectric Strength Test 2526 Grounding Continuity Test .2527 Humidity Test 2628 Stability Tests 2628.1 General .2628.2 10 Degree tilt test 2728.3 Horizontal force test 2728

7、.4 Downward force test 2729 Loading Tests 2729.1 General .27AUGUST 28, 2009 SUBJECT 201A 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL29.2 Shelf and drawer loading test 2729.3 Section loading test 2830 Strain Relief Tests 2930.1 General .2

8、930.2 Pull force relief test .2930.3 Push back relief test 2931 Spill Test 2932 Impact Tests .3033 Flammability Tests 3134 Abnormal Heat .3235 Durability Test 33MANUFACTURING AND PRODUCTION LINE TESTS36 Dielectric Voltage Withstand Test .3437 Ground Continuity Test 35MARKINGS38 General 3539 Identify

9、ing and Rating Information 3640 Cautionary Markings 36INSTRUCTION MANUALS41 General 3842 Instructions Pertaining To Risk of Fire, Electric Shock, or Injury to Persons 3943 Installation Instructions 4044 Operating Instructions .4045 User-Maintenance Instructions .4046 Moving and Storage Instructions

10、40APPENDIX AStandards for ComponentsA1AUGUST 28, 2009SUBJECT 201A4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover powered and non-powered cabinets that are to be used to store tools andsimilar pr

11、oducts and will be located indoors in service garages.1.2 Powered cabinets shall be powered by an electrical source not exceeding 240 Vac and shall be cordconnected. These cabinets are intended to be installed and used in accordance with the NationalElectrical Code, NFPA 70.1.3 These requirements do

12、 not cover portable tool chests or toolboxes intended to be transported byhand. These requirements do not cover Flammable Liquid Storage Cabinets, which are covered under theStandard for Flammable Liquid Storage Cabinets, UL 1275.2 Components2.1 Except as indicated in 2.2, a component of a product c

13、overed by this outline shall comply with therequirements for that component. See Appendix A for a list of standards covering components generallyused in the products covered by this outline.2.2 A component is not required to comply with a specific requirement that:a) Involves a feature or characteri

14、stic not required in the application of the component in theproduct covered by this outline, orb) Is superseded by a requirement in this outline.2.3 A component shall be used in accordance with its rating established for the intended conditions ofuse.2.4 Specific components are incomplete in constru

15、ction features or restricted in performance capabilities.Such components are intended for use only under limited conditions, such as certain temperatures notexceeding specified limits, and shall be used only under those specific conditions.AUGUST 28, 2009 SUBJECT 201A 5UL COPYRIGHTED MATERIAL NOT AU

16、THORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL3 Units of Measurement3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory orapproximate information.4 Undated References4.1 Any undated reference to a code or standard appearing in

17、 the requirements of this outline shall beinterpreted as referring to the latest edition of that code or standard.5 Glossary5.1 For the purposes of this outline, the following definitions apply.5.2 ACCESSIBLE PART A part located so that it is able to be contacted by a person, either directlyor by me

18、ans of a probe.5.3 APPURTENANCE Accessory objects on a furnishing such as a door, drawer, or a sliding worksurface.5.4 BONDED (BONDING) The permanent joining of metallic parts to form an electrically conductivepath that provides electrical continuity and the capacity to conduct any current likely to

19、 be imposedwithout a risk of electric shock, fire, or injury to persons.5.5 BONDING JUMPER A conductor, including a strap or similar part, that is used to provide therequired electrical conductivity between metal parts required to be electrically connected.5.6 EQUIPMENT-GROUNDING CONDUCTOR The condu

20、ctor used to connect the non-current-carrying metal parts of equipment, raceways, and other enclosures to the system grounded conductor,the grounding electrode conductor, or both, at the service equipment or at the source of a separatelyderived system.5.7 GROUND A conducting connection, whether inte

21、ntional or accidental, between an electricalcircuit or equipment and the earth.5.8 GROUNDED Connected to earth.5.9 GROUNDED CONDUCTOR A system or circuit conductor that is intentionally grounded.5.10 LEAKAGE CURRENT All currents, including capacitively coupled currents, that flow through aperson upo

22、n contact between accessible conductive surfaces of a product and ground or otheraccessible surfaces of the product.5.11 PORTABLE CABINET A cabinet that is capable of being conveyed or repositioned by hand. Forthis purpose, casters are considered to be devices that allow a cabinet to be easily conve

23、yed by hand.These cabinets are provided with a power supply cord for connection to the power supply.5.12 RACEWAY A completely enclosed channel intended specifically for the holding and routing ofwiring, excluding communication and low-voltage wiring. A raceway provides mechanical protection tothe in

24、ternal wiring.AUGUST 28, 2009SUBJECT 201A6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONSTRUCTION6 General6.1 A cabinet shall be constructed to provide mechanical strength.6.2 Each electrical device and conductor shall have a voltage rati

25、ng at least equal to the voltage that isapplied to it during intended use.6.3 Each electrical device shall have an ampere rating and each conductor shall have an ampacity ratingfor the maximum current to which it is subjected during intended use.6.4 Means shall be provided to reduce the risk of cont

26、act between the surface of a cabinet and a cabinetlight other than at the intended mounting means. The means provided shall have strength and rigidity toreduce the risk of distortion which facilitates installation in a manner other than intended.7 Assembly7.1 A cabinet shall be completely wired with

27、 all splices and electrical connections before the cabinetleaves the factory. The cabinet itself may be shipped unassembled.Exception: Electrical connections made by connectors or appliance couplers instead of splices are notrequired to be wired before the cabinet leaves the factory.7.2 Any cabinet

28、that is not completely assembled when it leaves the factory shall be provided withassembly instructions.7.3 All electrical parts shall be enclosed in the final assembly.8 Materials8.1 Materials used to enclose electrical parts in accordance with 7.3 shall be metallic or nonmetallic.Metallic material

29、s shall comply with Section 9, Corrosion Resistance. Nonmetallic materials shall complywith the Standard for Polymeric Materials Use in Electrical Equipment Evaluations, UL 746C, and shallhave a minimum flammability rating of 5V.8.2 Nonmetallic parts that are enclosed within a metallic enclosure sha

30、ll have a minimum flammabilityrating of V-2.8.3 Wood or other combustible material shall be able to comply with the Flammability Tests, Section 33.8.4 Nonmetallic materials that are located external to all enclosure parts are considered decorative andshall be rated HB minimum.AUGUST 28, 2009 SUBJECT

31、 201A 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL9 Corrosion Resistance9.1 A metallic part shall be inherently resistant to corrosion or shall be made resistant to corrosion by zincor cadmium plating, painting, varnishing, or lacquering.

32、Exception: Malleable iron parts, screws, bolts, nuts, and washers are not required to be corrosionresistant.10 Accessibility of Uninsulated Live Parts10.1 To reduce the likelihood of unintentional contact that may involve a risk of electric shock from anuninsulated live part, an opening in an enclos

33、ure shall comply with either of the following:a) For an opening that has a minor dimension less than 25.4 mm (1 inch), such a part shall notbe contacted by the probe illustrated in Figure 10.1.b) For an opening that has a minor dimension of 25.4 mm or more, such a part shall be spacedfrom the openin

34、g as specified in Table 10.1.This is generated text for figtxt.AUGUST 28, 2009SUBJECT 201A8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULFigure 10.1Articulate probe with web stopAUGUST 28, 2009 SUBJECT 201A 9UL COPYRIGHTED MATERIAL NOT AUTHO

35、RIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTable 10.1Minimum acceptable distance from an opening to a part that may involve a risk of electric shockor injury to personsMinor dimensionaof opening, Minimum distance from opening to part,Millimetersb(Inches)bMillimetersb(Inc

36、hes)b25.4 (1) 165 (6-1/2)32 (1-1/4) 190 (7-1/2)38 (1-1/2) 318 (12-1/2)48 (1-7/8) 394 (15-1/2)54 (2-1/2) 444 (17-1/2)c 762 (30)aSee 10.4.bBetween 25.4 mm and 54 mm, interpolation is to be used to determine a value between values specified in the table.cMore than 54 mm, but not more than 152 mm (6 inc

37、hes).10.2 The probe mentioned in 10.1, and illustrated in Figure 10.1, shall be applied to any depth that theopening will permit; and shall be rotated or angled before, during, and after insertion through the openingto any position that is necessary to examine the enclosure. The probe shall be appli

38、ed in any possibleconfiguration; and, if necessary, the configuration shall be changed after insertion through the opening.10.3 The probe mentioned in 10.2 shall be used as a measuring instrument to judge the accessibilityprovided by an opening, and not as instruments to judge the strength of a mate

39、rial; they shall be appliedwith the minimum force necessary to determine accessibility.10.4 With reference to the requirements in 10.1, the minor dimension of an opening is the diameter of thelargest cylindrical probe having a hemispherical tip that can be inserted through the opening.10.5 During th

40、e examination of a product to determine whether it complies with the requirements in 10.1,a part of the enclosure that may be opened or removed by the user without using a tool is to be openedor removed.11 Supply Connections11.1 Cord connection11.1.1 Cabinets shall be provided with a flexible cord a

41、nd a grounding type attachment plug forconnection to the supply circuit.Exception: Equipment intended to be used with a detachable power supply cord is acceptable withoutprovision of the detachable supply cord if the equipment is marked to indicate that the instruction manualshould be referenced for

42、 power supply cord selection, and the instruction manual contains instructionsconcerning the proper selection of the power supply cord.11.1.2 A flexible cord shall be rated for a voltage not less than the rated voltage of the equipment, andshall have a current rating not less than the current rating

43、 of the equipment.AUGUST 28, 2009SUBJECT 201A10UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL11.1.3 A flexible cord for use with cabinets, where the cord is in contact with the floor and could besubjected to abuse, shall be Type G, SO, STO,

44、or W.11.1.4 A flexible cord for use with cabinets, where the cord is not in contact with the floor, such as forcabinet to cabinet power supply means, may be of Type SJO, SJEO, SJOO, SJTO, SJTOO, SO, one ofthe Types mentioned in 11.1.3, or a type at least equally serviceable for the particular applic

45、ation.11.1.5 A flexible cord shall be attached permanently to the equipment, or shall be in the form of aseparate cord set with means for connection to the equipment, such as an attachment plug.11.1.6 The length of a power supply cord, including the attachment plug, shall not be less than 1.8 m (6ft

46、).Exception: A supply cord provided for use other than direct connection to the branch circuit, such as apower supply cord for cabinet to cabinet power in accordance with 11.1.4, may have an overall length lessthan 1.8 m (6 ft).11.1.7 The equipment-grounding conductor of a non-detachable flexible co

47、rd shall be green with orwithout one or more yellow stripes.11.2 Strain relief11.2.1 Strain relief shall be provided on a non-detachable flexible cord to reduce the risk of mechanicalstress being transmitted to terminals, splices, or interior wiring. See Pull Force Relief Tests, Section 30.2.A knot

48、in the flexible cord is not considered an acceptable form of strain relief.11.2.2 A metal strain relief clamp or band provided in accordance with 11.2.1 shall be provided withauxiliary insulation over the cord if damage to the cord insulation results when the strain relief test isconducted without a

49、uxiliary insulation.11.2.3 Means shall be provided to prevent a flexible cord from being pushed into the equipment throughthe cord entry hole if such displacement would:a) Result in mechanical damage to the cord;b) Expose the cord to a temperature higher than that for which it is rated; orc) Reduce spacings, such as to a metal strain relief clamp, below the acceptable minimumvalues.To determine compliance, the supply cord shall be tested in accordance with Section 30.3, Push-BackRelief Test.AUGUST 28, 2009