ANSI UL 1026-2012 UL Standard for Safety Household Electric Cooking and Food Serving Appliances (Sixth Edition Reprint with revisions through and including August 24 2017)《家用电烹饪器具和.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 1026 Household Electric Cooking and Food Serving Appliances STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL CO

2、PYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Household Electric Cooking and Food Serving Appliances, UL 1026 Sixth Edition, Dated January 27, 2012 Summary of Topics This revision was issued to incorporate the followi

3、ng changes: New requirements for toaster oven racks Revision of requirements for automatic toasters - clarication for secondary operating control The new/revised requirements are substantially in accordance with Proposal(s) on this subject dated July 21, 2017. Text that has been changed in any manne

4、r or impacted by ULs electronic publishing system is marked with a vertical line in the margin. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise with

5、out prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect

6、or similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibility of such damage. In no event shall ULs liability for any dam

7、age ever exceed the price paid for this Standard, regardless of the form of the claim. Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorne

8、ys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. AUGUST 24, 2017 UL 1026 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL AUGUST 24, 2017 UL 1026

9、 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JANUARY 27, 2012 (Title Page Reprinted: August 24, 2017) 1 UL 1026 Standard for Household Electric Cooking and Food Serving Appliances Prior to the rst edition, the req

10、uirements for the products covered by this Standard were included in the Standard for Electric Heating Appliances, UL 499. First Edition November, 1975 Second Edition March, 1981 Third Edition September, 1988 Fourth Edition July, 1995 Fifth Edition January, 2007 Sixth Edition January 27, 2012 This A

11、NSI/UL Standard for Safety consists of the Sixth edition including revisions through August 24, 2017. The most recent designation of ANSI/UL 1026 as an American National Standard (ANSI) occurred on August 24, 2017. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, and

12、Title Page. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at https:/. ULs Standards for Safety are copyrighted by UL. Neither a

13、printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2017 UNDERWRITERS LABORATORIES INC. ANSI/UL 1026-2017UL COPYRIGHTED MATERIAL

14、 NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JANUARY 20, 2016 ELECTRIC HOUSEHOLD COOKING AND FOOD SERVING APPLIANCES - UL 1026 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTE

15、NTS INTRODUCTION 1 Scope .6 2 Units of Measurement .6 3 Undated References 6 4 Glossary .6 CONSTRUCTION 5 General 8 6 Frame and Enclosure 9 7 Assembly .18 8 Stability .18 9 Corrosion Protection .18 10 Supply Connections .19 10.1 Permanently connected appliances .19 10.2 Cord-connected appliances 21

16、11 Current-Carrying Parts 28 12 Internal Wiring 29 12.1 General .29 12.2 Protection of wiring .29 12.3 Splices 30 12.4 Separation of circuits .31 13 Heating Elements .33 14 Electrical Insulation .34 14.7 Film-coated wire (magnet wire) 35 15 Thermal Insulation 35 16 Motors and Transformers 35 17 Moto

17、r-Running Overcurrent (Overload) Protection 36 18 General (Short-Circuit and Ground-Fault) Overcurrent Protection .38 19 Overcurrent and Over-Temperature Protection .39 20 Lampholders .39 21 Power-On Indicator Toaster Ovens, Toaster Oven/Broilers .40 22 Switches .40 23 Dual Voltage Appliance 42 24 A

18、utomatic Controls and Control Circuits 42A 25 Electromechanical and Electronic Controls .44 26 Controls End Product Test Parameters .44 26.1 General .44 26.2 Auxiliary controls .45 26.3 Operating controls (regulating controls) .45 26.4 Protective controls (limiting controls) 47 26.5 Controls using a

19、 temperature sensing device 49 27 Power Output Control Circuits 49 28 Overheating Protection 52 29 Spacings 53 30 Spacings On Printed-Wiring Boards 54 31 Grounding .55 32 Pressure Vessels and Parts Subject to Pressure .56 33 Protection Against Personal Injury 58 JANUARY 20, 2016 ELECTRIC HOUSEHOLD C

20、OOKING AND FOOD SERVING APPLIANCES - UL 1026 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 34 Ground-Fault, Arc-Fault, and Leakage Current Detectors/Interrupters 58A 35 Surge Protective Device .60 PERFORMANCE 36 General 60 37 Power Input

21、Test .60 38 Leakage Current Tests 60 39 Operational Tests .63 40 Calibration of Probe-Type Temperature Controls Tests 64 40.1 Ovens 64 40.2 Other appliances .64 40.3 All appliances 64 41 Normal Temperature Test 65 41.1 General .65 41.2 Specic test condition .72 42 Top-Front Edge Temperatures Convect

22、ion Ovens Tests .77 43 Tests for Insulation Resistance and Leakage Current as a Result of Moisture 78 44 Dielectric Voltage-Withstand Test .81 45 Mechanical Endurance Test 82 46 Broken Element Test 82 47 Push-Back Relief Test .83 48 Overow Test 83 48.1 General .83 48.2 Fill 84 49 Ingress Test 84 50

23、Glass Window or Door Impact Test .84 51 Handle Impact Test for Slow Cookers .85 52 Metal Enclosure Impact Tests 85 53 Non-Metallic Enclosure-Fasteners Test 87 54 Thermal Degradation Test 90A 54A Oven Rack Loading Test 90A 55 Abnormal Operation Test .90B 55.1 General 90B 55.2 Specic test conditions 9

24、3 56 Impact Test for Under-Cabinet and Wall-Mounted Appliances 99 57 Loading Test .99 58 Handle Strength Test for Slow Cookers 100 59 Temperature Probe Insertion Test .101 60 Component Switches and Control Devices 101 60.1 Overload .101 60.2 Endurance .103 60.3 Limited short circuit Motor-control de

25、vices 105 60.4 Toaster supplemental operating control operation time Cord connected automatic toaster test .105 61 Permanence of Marking 105 62 Test for Permanence of Cord Tag .106 63 Small Metal Object Heating Test 107 MANUFACTURING AND PRODUCTION-LINE TESTS 64 Dielectric Voltage-Withstand Test 107

26、 65 Polarization and Grounding Continuity Tests 109 AUGUST 24, 2017 ELECTRIC HOUSEHOLD COOKING AND FOOD SERVING APPLIANCES - UL 1026 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 65.1 Polarization test .109 AUGUST 24, 2017 ELECTRIC HOUSEH

27、OLD COOKING AND FOOD SERVING APPLIANCES - UL 1026 4AUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL AUGUST 24, 2017 ELECTRIC HOUSEHOLD COOKING AND FOOD SERVING APPLIANCES - UL 1026 4B No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZE

28、D FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 65.2 Continuity of grounding connection 109 65.3 Electrical indicating device .109 RATINGS 66 Details .109 MARKINGS 67 Details .110 68 Carton Marking 113 INSTRUCTION MANUAL 69 General 113 70 All Appliances 114A 71 Specic Appliance

29、s .114B 72 User Maintenance .119 SUPPLEMENT SA - HOUSEHOLD ELECTRIC COOKING APPLIANCES AND FOOD SERVING APPLIANCES INTRODUCTION SA1 Scope SA1 CONSTRUCTION SA2 General SA2 SA2.1 Controls SA2 SA2.2 Separation of Circuits SA2 SA2.3 Communication and Display Devices SA3 SA2.4 Communication Conductors an

30、d Cables .SA4 SA2.5 Communication Connectors SA4 SA2.6 Smart Enabled or Remote Operation SA4 SA3 Functional Safety SA5 SA4 Resistance to Electro-Magnetic Phenomena (Immunity) SA6 SA5 Markings and Instructions .SA7 APPENDIX A A.1 Food Color Charts .A1 AUGUST 1, 2016 ELECTRIC HOUSEHOLD COOKING AND FOO

31、D SERVING APPLIANCES - UL 1026 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover household electric cooking and food serving appliances, rated at 250 V or less, other than those mentioned in 1

32、.2, for use in ordinary locations, including appliances intended for casual and permanent outdoor use, in accordance with the National Electrical Code, NFPA 70. 1.2 These requirements do not cover household electric ranges, electrode type appliances, skillets and frying type appliances, fondues, wok

33、s, tempuras, corn poppers, coffee makers and brewing type appliances, commercial cooking appliances, microwave cooking appliances, or appliances that are covered in individual requirements that are separate from this Standard. 1.3 For the purposes of this Standard, a requirement that applies to one

34、type of equipment is identied by a specic reference to the type of equipment involved (for example, toaster, rotisserie, or other specic appliance). In the absence of such specic reference or if the term appliance is employed, it is to be understood that the requirement applies to all types of equip

35、ment covered by the Standard. 1.4 These requirements do not cover slow cookers intended for outdoor use. 2 Units of Measurement 2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 3 Undated References 3.1 Any undated reference

36、to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard. 4 Glossary 4.1 For the purpose of this Standard the following denitions apply. 4.2 APPLIANCE COUPLER A single-outlet, female contact device for attac

37、hment to a exible cord as part of a detachable power-supply cord to be connected to an appliance inlet (motor attachment plug). 4.3 APPLIANCE INLET (Motor Attachment Plug) A male contact device mounted on an end product appliance to provide an integral blade conguration for the connection of an appl

38、iance coupler or cord connector. 4.4 APPLIANCE (FLATIRON) PLUG An appliance coupler type of device having a cord guard and a slot conguration specied for use with heating or cooking appliances. 4.5 COMPONENT A device or fabricated part of the appliance covered by the scope of a safety standard dedic

39、ated to the purpose. When incorporated in an appliance, equipment otherwise typically eld installed (e.g. luminaire) is considered to be a component. Unless otherwise specied, materials that compose a device or fabricated part, such as thermoplastic or copper, are not considered components. 4.6 CONT

40、ROL, AUTOMATIC ACTION A control in which at least one aspect is non-manual. AUGUST 1, 2016 ELECTRIC HOUSEHOLD COOKING AND FOOD SERVING APPLIANCES - UL 1026 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 4.7 CONTROL, AUXILIARY A device or a

41、ssembly of devices that provides a functional utility, is not relied upon as an operational or protective control, and therefore is not relied upon for safety. For example, an efficiency control not relied upon to reduce the risk of electric shock, re, or injury to persons during normal or abnormal

42、operation of the end product is considered an auxiliary control. 4.8 CONTROL, MANUAL A device that requires direct human interaction to activate or rest the control. 4.9 CONTROL, OPERATING A device or assembly of devices, the operation of which starts or regulates the end product during normal opera

43、tion. For example, a thermostat, the failure of which a thermal cutout/limiter or another layer of protection would reduce the risk of electric shock, re, or injury to persons, is considered an operating control. 4.10 CONTROL, PROTECTIVE A device or assembly of devices, the operation of which is int

44、ended to reduce the risk of electric shock, re or injury to persons during normal and reasonably anticipated abnormal operation of the appliance. For example, a thermal cutout/limiter, or any other control/circuit relied upon for normal and abnormal conditions, is considered a protective control. (D

45、uring the testing of the protective control/circuit, the protective functions are veried under normal and single-fault conditions of the control.) 4.11 CONTROL, TYPE 1 ACTION The actuation of an automatic control for which the manufacturing deviation and the drift (tolerance before and after certain

46、 conditions) of its operating value, operating time, or operating sequence has not been declared and tested under this Standard. 4.12 CONTROL, TYPE 2 ACTION The actuation of an automatic control for which the manufacturing deviation and the drift (tolerance before and after certain conditions) of it

47、s operating value, operating time, or operating sequence have been declared and tested under this Standard. 4.13 CORD CONNECTOR A female contact device wired on exible cord for use as an extension from an outlet to make a detachable electrical connection to an attachment plug or, as an appliance cou

48、pler, to an equipment inlet. 4.14 INDUCTION HEATING APPLIANCES Appliances that can heat at least one metallic vessel by means of eddy currents. The eddy currents are induced to the cooking vessel by the electromagnetic eld of a coil. 4.15 INDUCTION HEATING SYSTEM The inductor current waveform is cre

49、ated by a high-efficiency switched DC power supply and 1-2 IGBT switches. The analog to dialogue switches are driven by a microcontroller, which responds to a feedback loop that forces conditions, such as size/shape/material of cooking vessel, current, voltage or temperature, monitored by sensors to correspond to settings established by the user. 4.16 Deleted. 4.17 INDUCTION TABLE STOVE (HOTPLATE) Table Stove that can heat at least one metallic vessel by means of e