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1、 - STD-UL 745-2-12-ENGL 1995 m 7275775 Ob777qb SOO W Underwriters Laboratories 1nc.B A not-for-profit organization dedicated to public safety and committed to quality service r O d February 18, 1997 Revision pages for Standard for Particular Requirements for Concrete Vibrators UL 745-2-12, First Edi
2、tion Attached to this distribution notice is a reprinted title page for the First edition of UL 745-2-12. As indicated on the title page (page 1 and 2), this UL Standard for Safety is an American National Standard. Attention is directed to the note on the title page of this Standard outlining the pr
3、ocedures to be followed to retain the text of this ANSI/UL Standard. Revised and/or additional pages may be issued from time to time. With the inclusion of the accompanying material, the standard consists of pages dated as shown in the following checklist: Page Date 1,2 . March 23,1995 (Reprinted: F
4、ebruary 18,1997) 3,4 March23,19!35 5,6 February18,1!397 7 - 17 March23,.1995 Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130, User=abc, abcdd Not for Resale, 09/11/2006 02:01:18 MDTNo reproduction or networking permitted withou
5、t license from IHS -,-,- STD-UL 745-2-12-ENGL 1795 7275775 Ob77747 447 Canadian Standards Association First Edition First Edition Underwriters Laboratories Inc. CANiCSA-C22.2 NO. 745-2-1 2 UL 74-2-12 Particular Requirements for Concrete Vibrators March 23, 1995 (Title Page Reprinted: February 18, 19
6、97) Approved by standards council o f canada L AmErican National Standard ANSI/UL 762-12-1996 Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130, User=abc, abcdd Not for Resale, 09/11/2006 02:01:18 MDTNo reproduction or networking
7、 permitted without license from IHS -,-,- Commitment for Amendments This Standard is issued jointly by Canadian Standards Association and Underwriters Laboratories Incorporated. Amendments to this Standard will be made only after processing according to the Standards writing procedures by both Canad
8、ian Standards Association and Underwriters Laboratories Incorporated. Approval as an American National Standard (ANSI) covers the numbered paragraphs on pages dated March 23, 1995. These pages should not be discarded when revised or additional pages are issued if it is desired to retain the ANSI app
9、roved text. ISSN 031 7-5669 ISBN 1-55989-773-2 Copyright * 1995 Canadian Standards Association Laboratories Incorporated All rights reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior permission of the publisher. Copy
10、right 1995, 1997 Underwriters Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130, User=abc, abcdd Not for Resale, 09/11/2006 02:01:18 MDTNo reproduction or networking permitted without license from IHS -,-,- Fedmary 18,1997 CSA-CZ
11、2.2 No. 745-2-12 + UL 745-212 5 Preface This is the common CSA and UL Standard for portable electric concrete vibrators. It is the first edition of CSA Standard C 2 2 . 2 No. 76-2-12 Safetv of Dortable electric tools Part 2: Particular reuuirements for concrete vibrators and UL 76-2-12 Safetv of Dor
12、table electric tools Part 2: Particular requirements for concrete vibrators. It is written in S I (metric) units. This Standard was prepared by Canadian Standards Association and Underwriters Laboratories Inc. This common CSA and UL Standard is based on IEC Publication 745-2-12 (1982) Part 2: Partic
13、ular requirements for concrete vibrators (internal vibrators). Where Canadian and US deviations have necessitated the deletion of IEC Publication 745-2-12 text, the IEC text has been retained but has been over-stricken to indicate it as nonmandatory. Text added to IEC Publication 76-2-12 as mandator
14、y has been redlined (shaded) including, where feasible, Tables and Figures. Where a particular clause of the general requirements Standard is not mentioned in this Standard, the dause applies as far as is reasonable. Where this edition states addition, modification, or redacement, the relevant requi
15、rement, test specification, or explanatory matter in the general requirements Standard should be adapted accordingly. If the functions of a tool are covered by different particular Standards, the relevant particular requirements Standard is applied to each function separately, so far as is reasonabl
16、e. If applicable, the influence of one function on the other is taken into account. This Standard was reviewed by the CSA Subcommittee on Portable Electric Tools of the Technical Committee on Consumer and Commercial Products under the jurisdiction of the Standards Steering Committee on the Canadian
17、Electrical Code, Part II, and was formally approved by these Committees. This Standard was processed and reviewed in accordance with the method of development, revision and implementation of UL Standards for safety. This Standard has been approved by the Standards Council of Canada as a National Sta
18、ndard of Canada and has been approved by the American National Standards Institute (ANSI) as an American National Standard. March 23, 1995 UL Effective Date As of June 1, 2007, all products Listed or Recognized by UL must comply with the requirements in this Standard. Between June 1 , 2002 and June
19、1 , 2007, new product submittals to UL must be evaluated under all requirements in this standard. Between March 23,1995 and June 1,2002, new product submittals to UL may be evaluated under all requirements in this Standard or, if requested in writing, evaluated under presently effective requirements
20、 only. The presently effective requirements are contained in the seventh edition of UL 6. Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130, User=abc, abcdd Not for Resale, 09/11/2006 02:01:18 MDTNo reproduction or networking per
21、mitted without license from IHS -,-,- 6 CSA-C222 NO. 745-2-12 UL 745-2-12 F e b w 18,1997 CSA Effective Date The effective date for CSA will be announced through a CSA Certification Notice. Note: Althouah the intended Drimatv amiication of this Standard is stated in its ScoDe. it is imoortant to not
22、e that it remains the resDonsibilitv of the users of the Standard to iudcie its suitabilitv for their particular PurDose. . Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130, User=abc, abcdd Not for Resale, 09/11/2006 02:01:18 MD
23、TNo reproduction or networking permitted without license from IHS -,-,- UL 745-2-12 Particular Req ui remen ts for Concrete Vibrators ISBN 165989773-2 a century of public safem est, 1896 Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./783
24、8506130, User=abc, abcdd Not for Resale, 09/11/2006 02:01:18 MDTNo reproduction or networking permitted without license from IHS -,-,- UL 74.5-2-12 95 9275795 0607368 5T4 Underwriters Laboratories Inc., Northbrook. Illinois. (708) 272-8800 Melville, New York + (516) 271-6200 Santa Clara, California.
25、 (408) 985-2400 Research Triangle Park, North Carolina - (919) 549-1400 Underwriters Laboratories Inc., founded in 1894, is chartered as a not-for-profit organization without capital stock, under the laws of the State of Delaware, to establish, maintain, and operate laboratories for the examination
26、and testing of devices, systems and materials to determine their relation to hazards to life and property, and to ascertain, define and publish standards, classifications and specifications for materials, devices, products, equipment, constructions, methods, and systems affecting such hazards. UL St
27、andards for Safety are developed under a procedure which provides for participation and comment from the affected public as well as industry. The procedure takes into consideration a survey of known existing standards and the needs and opinions of a wide variety of interests concerned with the subje
28、ct matter of the standard. Thus manufacturers, consumers, individuals associated with consumer-oriented organizations, academicians, government officials, industrial and commercial users, inspection authorities, insurance interests and others provide input to UL in the formulating of UL Standards fo
29、r Safety, to keep them consonant with social and technological advances. A not-for-profit organization dedicated to public safety and committed to quality service Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130, User=abc, abcdd
30、 Not for Resale, 09/11/2006 02:01:18 MDTNo reproduction or networking permitted without license from IHS -,-,- UL 745-2-12 95 m 9275795 Ob07369 430 Underwriters Laboratories Inc. B A not-for-profit organization dedicated to public safety and committed to quality service March 23, 1995 Standard for P
31、articular Requirements for Concrete Vibrators UL 745-2-12, First Edition Accompanying this transmittal notice is a copy of the First edition of UL 745-2-12. THIS EDITION OF THE STANDARD BECOMES EFFECTIVE JUNE 1, 2002 FOR NEW PRODUCT SUBMITTALS AND JUNE 1,2007 FOR ALL PRODUCTS LISTED OR RECOGNIZED BY
32、 UL. New product submittals made prior to a specified future effective date will be judged under all of the requirements in this standard unless the applicant specifically requests that the product be judged under the current requirements. However, should the applicant elect this option, i t should
33、be noted that compliance with all the requirements in this standard will be required as a condition of continued Listing, Recognition, and Follow-Up Services after the effective date and understanding of this should be signified in writing. The requirements in this standard are substantially in acco
34、rdance with ULs bulletin on this subject dated July 25, 1994. This bulletin is now obsolete and may be discarded. Revised and/or additional pages may be issued from time to time. Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130,
35、 User=abc, abcdd Not for Resale, 09/11/2006 02:01:18 MDTNo reproduction or networking permitted without license from IHS -,-,- UL 745-2-12 95 I 9275775 Ob07170 152 Canadian Standards Association First Edition CANICSA-C22.2 NO. 745-2-1 2 Un derwri tem La bora tories I nc. First Edition UL 745-2-12 Pa
36、rticular Requirements for Concrete Vibrators March 23, 1995 Approved by Standards Council o f Canada Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130, User=abc, abcdd Not for Resale, 09/11/2006 02:01:18 MDTNo reproduction or net
37、working permitted without license from IHS -,-,- UL 745-2-12 95 9275795 Ob07171 099 = Commitment for Amendments This Standard is issued jointly by Canadian Standards Association and Underwriters Laboratories Incorporated. Amendments to this Standard will be made only after processing according to th
38、e Standards writing procedures by both Canadian Standards Association and Underwriters Laboratories Incorporated. ISSN 031 7-5669 ISBN 1-55989-773-2 Copyright 1995 Canadian Standards Copyright 1995 Underwriters Association Laboratories Incorporated Inc. All rights reserved. No part of this publicati
39、on may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior permission of the publisher. Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130, User=abc, abcdd Not for Resale, 09/11/2006 02:01:
40、18 MDTNo reproduction or networking permitted without license from IHS -,-,- March 23. 1995 CSA-(22.2 No . 745-2-12 UL 745-2-12 3 Con tents . . . . . . . . . . . . . . . . . . . Foreword (CSA) . . . . . . . . . . . . . . . . . . 7 Foreword (UL) . 9 1 . Scope . 11 2 . Definitions . 11 3 . General req
41、uirement . 11 4 . General notes on tests 12 5 . Rating 12 6 . Classification . 12 7 . Marking . 12 8 . Protection against electric shock 12 9 . Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 10 . Inputandc
42、urrent . 13 11 . Heating . 13 12 . Leakagecurrent 13 13 . Radio and television interference suppression . 13 14 . Moisture resistance . 13 15 . Insulation resistance and electric strength 13 16 . Endurance 13 17 . Abnormaloperation . 14 18 . Mechanical hazards . . . . . . . . . . . . . . . . . . . .
43、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 19 . Mechanicalstrength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 20 . Construction 15 21 . Internalwiring . 15 22 . Components 15 23 . Supply connection a
44、nd external flexible cables and cords . 16 Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130, User=abc, abcdd Not for Resale, 09/11/2006 02:01:18 MDTNo reproduction or networking permitted without license from IHS -,-,- UL 745-2-
45、12 95 = 9275795 0607173 9 b l W 4 CSA-C22.2 No . 76-2-12 + UL 76-2-12 March 23. 1995 24 . Terminals for external conductors 16 25 . Provision for earthing 16 26 . Screwsand connections . 16 27 . Creepage distances. clearances and distances through insulation . . . . . . . . . . . . . . . . . . . 16
46、28 . Resistance to heat. fire and tracking 16 29 . Resistancetorusting 16 . 16 16 Appendix A - Thermal cut-outs and overload releases 17 . . . . . . . . . . . . . . . . . . Appendix B . Electronic circuits . 17 Appendix C . Construction of safety isolating transformers 17 Appendix D . Measurement of
47、 creepage distances and clearances 17 . 17 17 . 17 . 17 Copyright Underwriters Laboratories Inc. Provided by IHS under license with ULLicensee=Army Northwestern Div./7838506130, User=abc, abcdd Not for Resale, 09/11/2006 02:01:18 MDTNo reproduction or networking permitted without license from IHS -,
48、-,- March 23,1995 CSA-C22.2 No. 745-2-12 + UL 745-2-12 5 Preface This is the common CSA and UL Standard for portable electric concrete vibrators. It is the first edition of CSA Standard C22.2 No. 745-2-12 Safety of portable electric tools Part 2: Particular requirements for concrete vibrators and UL 745-2-12 Safety of portable electric tools Part 2: Particular requ