1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 498 Attachment Plugs and Receptacles STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT
2、AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Attachment Plugs and Receptacles, UL 498 Sixteenth Edition, Dated April 28, 2017 SUMMARY OF TOPICS This New Edition of ANSI/UL 498 includes the following changes: Identication of Horsepower Rati
3、ngs for ANSI/NEMA Congurations L25-30R and L26-30R. The requirements are substantially in accordance with Proposal(s) on this subject dated December 2, 2016 and February 3, 2017. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any f
4、orm by any means, electronic, mechanical photocopying, recording, or otherwise without 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.
5、In no event will UL be liable for any special, incidental, consequential, indirect 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 adv
6、ised of the possibility of such damage. In no event shall ULs liability for any damage 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
7、 loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. APRIL 28, 2017 UL 498 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHE
8、R REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL APRIL 28, 2017 UL 498 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL APRIL 28, 2017 1 UL 498 Standard for Attachment Plugs and Receptacles First Edition Decem
9、ber, 1931 Second Edition September, 1939 Third Edition June, 1942 Fourth Edition November, 1948 Fifth Edition September, 1952 Sixth Edition November, 1954 Seventh Edition December, 1959 Eighth Edition May, 1962 Ninth Edition April, 1974 Tenth Edition September, 1981 Eleventh Edition November, 1986 T
10、welfth Edition April, 1991 Thirteenth Edition April, 1996 Fourteenth Edition December, 2001 Fifteenth Edition March, 2012 Sixteenth Edition April 28, 2017 This ANSI/UL Standard for Safety consists of the Sixteenth Edition. The most recent designation of ANSI/UL 498 as an American National Standard (
11、ANSI) occurred on April 28, 2017. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, and Title Page. The Department of Defense (DoD) has adopted UL 498 on August 17, 1981. The publication of revised pages or a new edition of this Standard will not invalidate the DoD ado
12、ption. 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 print
13、ed 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 498-2017UL COPYRIGHTED MATERIAL NOT A
14、UTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL APRIL 28, 2017 ATTACHMENT PLUGS AND RECEPTACLES - UL 498 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope 15 2 G
15、lossary 16 3 Components 20 4 Units of Measurement 20 5 References20 CONSTRUCTION ALL DEVICES 6 General.20 7 Congurations .21 8 Insulating Materials 21 8.1 General 21 8.2 Flammability 22 8.3 Electrical properties22 8.4 Thermal properties 23 8.5 Vulcanized ber .24 8.6 Sealing compounds24 8.7 Fuse encl
16、osures 24 9 Enclosure .25 9.1 General 25 9.2 Male faces and wire terminations27 10 Current-Carrying Parts 28 10.1 General .28 10.2 Contacts 29 11 Grounding and Dead Metal Parts .30 12 Terminals 31 12.1 General .31 12.2 Wire-binding screw terminals 32 12.3 Soldering lugs .33 12.4 Pressure-wire termin
17、als .33 12.5 Combination wire binding/pressure-wire terminals 33 13 Cord Entry and Strain Relief .34 14 Spacings 35 15 Assembly 35 15.1 General .35 15.2 Grounding and polarization 36 15.3 Mating and interchangeability 36 15.4 Fuseholders .38 15.5 Switches 38 ATTACHMENT PLUGS AND INLETS 16 Insulating
18、 Materials .38 17 Enclosure 39 17.1 General .39 17.2 Grip 39 APRIL 28, 2017 ATTACHMENT PLUGS AND RECEPTACLES - UL 498 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 17.3 Face size .40 18 Current-Carrying Parts 40 19 Grounding and Dead Meta
19、l Parts .41 20 Terminals and Leads 43 20.1 Terminals .43 20.2 Leads .43 21 Assembly 44 22 Weatherproof Type .46 CORD CONNECTORS 23 Enclosure 46 23.1 General .46 23.2 Face size .47 24 Grounding and Dead Metal Parts .51 25 Terminals 51 26 Assembly 51 26.1 General .51 26.2 Outlet separation .52 RECEPTA
20、CLES 27 Insulating Materials .52 28 Enclosure 52 29 Grounding and Dead Metal Parts .53 29.1 General .53 29.2 Flush receptacles 54 30 Terminals and Leads 54 30.1 General .54 30.2 Push-in terminals.55 30.3 Pin-type or insulation-displacement terminals 55 30.4 Open wiring on insulators .55 30.5 Leads .
21、56 30.6 Separable terminal assembly 56 31 Assembly 57 31.1 General .57 31.2 Flush receptacles 57 31.3 Surface-mount receptacles 59 32 Flush Plates60 33 Self-Grounding Receptacles60 34 Isolated-Ground Receptacles.60 35 CO/ALR Type 60 36 AL-CU Type60 37 Tamper-Resistant Receptacles .61 38 Weather-Resi
22、stant Receptacles 61 39 Pendant Receptacles61 40 Pop-Out Receptacle 61 41 Pop-Up Receptacle Assembly .61 42 Rotatable Outlets .62 APRIL 28, 2017 ATTACHMENT PLUGS AND RECEPTACLES - UL 498 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SELF-
23、CONTAINED RECEPTACLES FOR USE WITHOUT A SEPARATE OUTLET BOX 43 General62 44 Spacings 62 45 Insulating Materials .62 46 Enclosures .63 47 Mounting Means 63 48 Frame-Construction Mounting Brackets64 49 Field Replacement 64 CURRENT TAPS 50 General .64 FLATIRON AND APPLIANCE PLUGS 51 General65 52 Curren
24、t-Carrying Parts 65 53 Cord Guard 65 54 Strain Relief66 55 Female Contacts .66 56 Terminals 67 57 Spacings 67 58 Assembly 67 PERFORMANCE GENERAL 59 Representative Devices .68 ALL DEVICES 60 Comparative Tracking Index Test .77 61 Glow Wire Test .78 62 High-Current Arc Resistance to Ignition Test .78
25、63 Mold Stress Relief Test79 64 Moisture Absorption Resistance Test80 65 Dielectric Voltage-Withstand Test .81 65.1 Devices for xed or permanent installation 81 65.2 Cord-connected devices 82 66 Accelerated Aging Tests .82 66.1 General .82 66.2 Rubber, EPDM, and TEE compounds.82 66.3 PVC compounds a
26、nd copolymers 83 67 Insulation Resistance Test .83 68 Conductor Secureness Test84 69 Tightening Torque Test 84 APRIL 28, 2017 ATTACHMENT PLUGS AND RECEPTACLES - UL 498 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL ATTACHMENT PLUGS ALL DEV
27、ICES 70 General84 71 Security of Blades Test 84 71.1 General .84 71.2 Self-hinged plugs.85 72 Secureness-Of-Cover Test .85 73 Crushing Test 85 74 Attachment Plug Grip Tests 86 75 Integrity of Assembly Test .89 75.1 General .89 75.2 Self-hinged plugs.90 76 Self-Hinge Flexing Test90 77 Terminal Temper
28、ature Test 91 78 Fuseholder Temperature Test 91 PIN-TYPE TERMINALS 79 General93 80 Assembly Test .93 81 Temperature Test.93 82 Strain Relief Test .94 83 Fault Current Test 95 84 Dielectric Voltage-Withstand Test .96 INLETS ALL DEVICES 85 General96 86 Security of Blades Test 96 87 Terminal Temperatur
29、e Test 96 88 Fuseholder Temperature Test 97 PRESSURE-WIRE TERMINALS 89 General99 90 Combination Wire Binding/Pressure Wire-Type Terminals 100 91 Strength of Insulating Base Test.100 CORD CONNECTORS ALL DEVICES 92 General 100 93 Retention of Plugs Tests .101 94 Overload Tests 102 94.1 General 102 94.
30、2 Current overload test 103 94.3 Horsepower overload test 104 95 Temperature Test107 APRIL 28, 2017 ATTACHMENT PLUGS AND RECEPTACLES - UL 498 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 96 Retention of Plugs Test (Repeated) 108 96.1 Gen
31、eral 108 96.2 Plug retention.109 96.3 Plug withdrawal .109 97 Resistance to Arcing Test 110 98 Latching Mechanism Tests110 98.1 General 110 98.2 Cycling test.110 98.3 Pull test 111 99 Fuseholder Temperature Test .112 100 Improper Insertion Test114 101 Potential Drop in Grounding Connections Test .11
32、5 102 Integrity of Assembly Test .115 102.1 General .115 102.2 Self-hinged cord connectors .116 103 Self-Hinge Flexing Test .116 PIN-TYPE TERMINALS 104 General .116 105 Assembly Test .116 106 Temperature Test 117 107 Strain Relief Test .117 108 Fault Current Test 118 109 Dielectric Voltage-Withstand
33、 Test.119 RECEPTACLES ALL DEVICES 110 General .119 111 Retention of Blades Test 120 112 Overload Test 125 113 Temperature Test 126 114 Retention of Blades Test (Repeated)128 115 Resistance to Arcing Test .128 116 Retention of Plugs Test .129 117 Overload Test 130 117.1 General .130 117.2 Current ove
34、rload test .131 117.3 Horsepower overload test .132 118 Temperature Test 136 118.1 Contact and terminal temperature 136 118.2 Feed-through terminal temperature .138 119 Retention of Plugs Test (Repeated).138 119.1 General .138 119.2 Plug retention .138 119.3 Plug withdrawal 139 120 Resistance to Arc
35、ing Test .140 121 Fuseholder Temperature Test 140 122 Fault Current Test 141 123 Terminal Strength Test 142 124 Assembly Security Test .146 APRIL 28, 2017 ATTACHMENT PLUGS AND RECEPTACLES - UL 498 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FRO
36、M UL 125 Grounding Contact Test .152 PRESSURE-WIRE TERMINALS 126 General .157 127 Combination Wire Binding/Pressure Wire-Type Terminals .159 128 Strength of Insulating Base Test159 SELF-GROUNDING RECEPTACLES 129 General .159 130 Fault Current Test 160 PUSH-IN TERMINALS 131 General .163 132 Pullout T
37、est 163 133 Temperature Test 164 134 Conductor Insertion and Retention Test .164 135 Conductor Push-In Test .165 136 Terminal Abuse Test 166 137 Temperature Test 168 TAMPER-RESISTANT RECEPTACLES 138 General .174 139 Probe Test.174 140 Impact Test 176 140.1 General .176 140.2 Ball-pendulum impact.177
38、 140.3 Vertical-ball impact .180 141 Mechanical Endurance Test .182 142 Dielectric Voltage-Withstand Test.182 RECEPTACLE WITH INTEGRAL ADJUSTABLE MOUNTING YOKE 143 Bonding (Non-Metallic Outlet Box Fault Current) Test .183 144 Bonding (Metallic Outlet Box Fault Current) Test .185 145 Mounting Yoke Re
39、sistance Test 186 POP-OUT RECEPTACLES AND POP-UP RECEPTACLE ASSEMBLIES 146 General .187 146.1 Pop-out receptacles 187 146.2 Pop-up receptacle assemblies .187 147 Mechanical Endurance Test .187 148 Mechanical Load Test.188 149 Spill Test 188 APRIL 28, 2017 ATTACHMENT PLUGS AND RECEPTACLES - UL 498 8U
40、L COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL PIN-TYPE OR INSULATION-DISPLACEMENT TERMINALS 150 General .189 151 Heat Cycling and Vibration Tests .189 151.1 General .189 151.2 Heat cycling test .189 151.3 Vibration test 190 151.4 Heat cycli
41、ng test (Continued) 190 151.5 Calculations .190 RECEPTACLES EMPLOYING A SEPARABLE TERMINAL ASSEMBLY 152 General .191 153 Retention of Tab Connection Test 191 154 Separable Connector Pull Test .191 155 Mold Stress Relief Test .192 156 Dielectric Voltage-Withstand Test 192 157 Grounding Contact Temper
42、ature Test .193 158 Resistance Test 193 159 Latching Mechanism Test .193 160 Short Circuit Test .194 161 Continuity Impedance Test 194 RECEPTACLES EMPLOYING ROTATABLE OUTLETS 162 General .195 163 Rotational Endurance Test.195 164 Temperature Test 195 165 Dielectric Voltage-Withstand Test.195 166 Res
43、istance Test 196 167 Fault Current Test 196 SELF-CONTAINED RECEPTACLES 168 General .196 169 Heat Cycling and Vibration Tests .196 169.1 General .196 169.2 Heat cycling test .197 169.3 Vibration test 198 169.4 Calculations .199 170 Cable Pullout Test 199 171 Conductor Pullout Test 199 172 Mounting St
44、rength Test .200 172.1 General .200 172.2 Receptacles mounted directly in panels .200 172.3 Receptacles supported by mounting brackets .200 172.4 Testing .200 173 Wall-Mounting Secureness Test 201 174 Assembly Security Test .204 174.1 General .204 174.2 Method A .204 174.3 Method B .207 175 Field Re
45、placement Test .207 APRIL 28, 2017 ATTACHMENT PLUGS AND RECEPTACLES - UL 498 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 176 Fault Current Withstand Test.207 177 Knockouts Test.208 178 Creep Test 208 179 Mold Stress Test .208 180 Specim
46、en Flammability Test .208 180.1 General .208 180.2 Method A .209 180.3 Method B .209 CURRENT TAPS ALL DEVICES 181 General .209 182 Contact Security Test .209 FLATIRON AND APPLIANCE PLUGS 183 General .210 184 Millivolt Drop Test 210 185 Overload Test 210 186 Heating Test .211 187 Millivolt Drop Test
47、Repeated .211 188 Crushing Test 211 189 Mechanical Endurance Test .211 190 Accelerated Aging Test214 191 Cord Guard Test .214 RATINGS 192 Details 216 MARKINGS AND INSTRUCTIONS 193 General .220 193.1 Details 220 193.2 Location of markings and instructions.243 194 Identication and Marking of Terminals
48、245 194.1 Grounded and grounding .245 194.2 Other terminals 248 194.3 Removable parts .249 SUPPLEMENT SA - ENCLOSURE TYPES FOR ENVIRONMENTAL PROTECTION INTRODUCTION SA1 Scope SA1 SA2 GlossarySA1 CONSTRUCTION APRIL 28, 2017 ATTACHMENT PLUGS AND RECEPTACLES - UL 498 10UL COPYRIGHTED MATERIAL NOT AUTHO
49、RIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SA3 General SA2 SA4 Polymeric Enclosures SA3 SA5 Gaskets SA4 PERFORMANCE SA6 General SA4 MARKINGS SA7 General SA8 SUPPLEMENT SB - MARINE SHORE POWER INLETS INTRODUCTION SB1 Scope SB1 SB2 GlossarySB1 SB3 General SB1 CONSTRUCTION SB4 General SB2 SB5 Insulating Materials SB4 SB6 Corrosion Resistance SB4 PERFORMANCE SB7 General SB4 SB8 Salt-Spray TestSB4 SB9 Dielectric Voltage-Withstand Test SB5 SB10 Mechanical Strength TestSB5 SB1
