UL 82 CRD-2015 UL Standard for Safety Electric Gardening Appliances Section Paragraph Reference SA1 1 SA1 1 1 SA8 3 SA8 3 1 SA8 3 2 SA19A 1 Section 19A 1 and SA20 12 Subject Cordl.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUNDERWRITERS LABORATORIES INC. CERTIFICATION REQUIREMENT DECISIONThis Certification Requirement Decision is prepared and published by Underwriters Laboratories Inc.(UL). It is normative for the a

2、pplicable UL Product Certification Program(s); however, it is currently notpart of the UL Standard(s) referenced below.Product Category (CCN): JHKTStandard Number: UL 82Standard Title: Standard for Electric Gardening AppliancesEdition Date: August 12, 2011Edition Number: 8Section / Paragraph Referen

3、ce: SA1.1, SA1.1.1, SA8.3, SA8.3.1, SA8.3.2, SA19A.1,Section 19A.1, and SA20.12Subject: Cordless BrushcuttersDECISION:SA1.1 These requirements cover battery-operated gardening appliances rated 60 volts or less.SA1.1.1 In addition to the requirements in this standard, a brushcutter shall also comply

4、with the followingfrom ANSI B175.3-2013, the Standard for Internal Combustion Engine-Powered Hand-Held GrassTrimmers and Brushcutters Safety and Environmental Requirements:Section/Paragraph Related Comments3.1, 3.3, 3.4, 3.5, 3.8, 3.9, 3.103.11 Cutting path related to blade diameter only.3.12 Replac

5、e “engine” with “appliance”3.16, 3.17, 3.18, 3.21, 3.233.24 Replace “engine” with “appliance”3.25, 3.26, 3.27, 3.283.29 Replace “engine” with “appliance”3.30, 3.343.40 Delete “grass trimmer”3.4144.1.1 4.1.44.26.1, 6.27 For 7.2.1.3, the maximum speed is considered to be the speed obtained with theuni

6、t turned on with a fully charged battery813.1, 13.1.1, 13.1.2, 13.2, 13.2.1, 13.2.2,13, 13.3.1 For 13.3.1, the appliance shall be fitted with the heaviest detachable battery pack13.3.3, 13.3.4, 13.3.513.4, 13.4.1 For 13.4.1 the appliance shall be fitted with the smallest and largest battery packsspe

7、cified in the instructional manual13.4.2 The phrase, “and grass trimmers” in the first sentence and the last sentence, is notapplicable; Compliance shall be checked with the most severe combination of thelightest and heaviest cutting attachments and smallest and largest battery packsspecified in ins

8、truction manual.Compliance shall be checked with the most severe combination of the lightest andheaviest cutting attachments and smallest and largest battery packs specified ininstruction manual.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL

9、Table ContinuedSection/Paragraph Related Comments13.4.3 The phrase “and grass trimmers” is not applicable;Compliance shall be checked with the most severe combination of the lightest andheaviest cutting attachments and smallest and largest battery packs specified ininstruction manual.16 Adhesion sha

10、ll comply with section 52 of UL 8216.1, 16.3, 16.4, 16.5, 16.8, and 16.917, 17.1.1, 17.1.217.2, 17.2.1, 17.2.2, 17.2.317.2.4 For 17.2.4, the statements “Check for fuel leaks.” and “Use only flexible, nonmetallicline recommended by the manufacturer. Never use, for example, wire or wire-rope,which can

11、 break off and become a dangerous projectile.” are not applicable;17.2.5 For 17.2.5, the statement “and hot surfaces” is not applicable17.2.817.2.9 Replace with: “When the unit is turned off, make sure the cutting attachment hasstopped before servicing, cleaning or removing material from the gardeni

12、ngappliance and before the unit is set down.17.3, 17.3.1, 17.3.2, 17.3.317.3.4 Change “engine” to “appliance”.SA8.3 In lieu of the requirements in SA8.2 of UL 82, a brushcutter shall have two distinct operations toenergize the appliance. A switch employed to meet this requirement shall have a press-

13、and-pushoperation, or the equivalent. These two actions shall not be possible with a single grasping motion or astraight line motion. The switch shall be positioned such that it can be operated while the appliance isbeing held with both hands. The switch operation shall be marked if not obvious.Exce

14、ption: A single grasping motion or a straight line motion is acceptable provided:a) the unit is provided with an activation mode start switch, andb) the on-off switch or the lock-off device is activated within 45 s of the actuation of theactivation mode start switch, otherwise the unit shall return

15、to its off state, andc) there is a visual indication that the brushcutter is in an active state when the activation startmode switch is activated and shall continue until the activation mode start switch is off.SA8.3.1 The on-off switch for brushcutters shall immediately return to the locked state w

16、hen it is released,unless:a) an operator presence sensor is incorporated in the handle or grasping surface associatedwith the on-off switch, andb) the hand is not released from the operator presence sensor. The operator presence sensorcan be attained by any combination of mechanical, electrical or e

17、lectronic means.SA8.3.2 A brushcutter shall be equipped with a momentary contact on-off switch that shall not be capableof being locked in the on position.SA19A.1 Brushcutter blade stopping time after long term cyclingSTANDARD NUMBER: UL 82 -2-UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRO

18、DUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSA19A.1.1 After 6,000 cycles of operation, rotation of the blade shall cease within 10 seconds after thepower is shut off. Mechanical means for braking the rotation shall show no evidence of malfunction.SA19A.1.2 To determine whether a brushcutter com

19、plies with the requirements in SA19A.1.1, one sampleis to be tested. Each cycle is to consist of 45 seconds on at maximum operating speed and 15 secondsoff. The means for operating the unit during the test was such that the blade control was released abruptlyfrom the full “on” position and returned

20、to the “off” position by itself.SA20.12 A brushcutter shall be permanently marked in a visible location on a fixed part of the unit in thevicinity of the saw blade with an arrow raised or recessed or by any other means no less visible andindelible indicating the direction of rotation of the arbor.RA

21、TIONALE FOR DECISION:This certification requirement decision was developed to investigate and test a cordless brushcutter thatmay introduce a risk of fire or risk of injury that are not anticipated or addressed by the currentdocumented UL 82 requirements. This Certification Decision reflects present

22、 practice regarding theapplication of these requirements.Copyright 2015 Underwriters Laboratories Inc.UL, in performing its functions in accordance with its objectives, does not guarantee or warrant thecorrectness of Certification Requirement Decisions it may issue or that they will be recognized or

23、 adoptedby anyone. Certification Requirement Decisions are the opinion of Underwriters Laboratories Inc. inpractically applying the requirements of the standard. They do not represent formal interpretations of thestandard under American National Standards Institute (ANSI) processes. UL shall not be

24、responsible toanyone for the use of or reliance upon Certification Requirement Decisions by anyone. UL shall not incurany obligation or liability for damages, including consequential damages, arising out of or in connectionwith the use or reliance upon Certification Requirement Decisions. The electr

25、onic version of theCertification Requirement Decision is the current version and previously printed copies may be outdated.This document is published as a service to ULs certification customersSTANDARD NUMBER: UL 82 -3-UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSTANDARD NUMBER: UL 82 -4-No Text on This Page