UL 498F 2021年最新版发布带弧形(锁定式)触点的插头、插座和耦合器标准

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本文档详细介绍了UL498F:2021标准，涉及20A和30A接地型带弧形（锁定式）触点的插头、插座和耦合器的安全要求。这些设备适用于根据国家电气法规连接的分支电路。标准不涵盖非接地型、电流超过200A或电压超过600V的设备，同时提到了其他相关标准如UL498D、UL498E等。

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UL 498F:2021 Plugs, Socket-Outlets and Couplerswith Arcuate (Locking Type) Contacts

Plugs,Socket-Outlets and Couplerswith Arcuate (Locking Type) Contacts

带弧形(锁定式)触点的插头、插座和耦合器
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INTRODUCTION

1 Scope
1.1 These requirements cover plugs, socket outlets (receptacles), couplers, cord connectors, and inlets,with arcuate contacts (locking-type configurations), rated 20 or 30 A grounding type only. All intended forconnection to a branch circuit for use in accordance with the National Electrical Code,ANSINFPA 70.
1.2These requirements do not cover plugs, socket outlets (receptacles), couplers, cord connectors, andinlets with arcuate contacts (locking-type configurations) rated 20 and 30 A non-grounding type, or devicesrated 15, 50 or 60 A grounding or non-grounding type, refer to UL 498D Standard.
1.3 These requirements do not cover devices rated at more than 200 A or for more than 600 v.See 6.1.
1.4 This Standard does not directly apply to, but supplements the following standards;
a)Straight-blade attachment plugs,receptacles, cord connectors, and inlets, covered by theStandard for Attachment Plugs and Receptacles, UL 498;
b) Attachment plugs, receptacles, cord connectors, and inlets with arcuate contacts (locking-typeconfigurations)- Enclosure Types for Environmental Protection, UL 498E;
c) Inlets with arcuate contacts (locking-type configurations)- Marine Shore Power Inlets, UL 498M;d) Devices produced integrally with flexible cord or cable, covered by the Standard for Cord Setsand Power-Supply Cords,UL817;
e)Current taps and adapters not provided with wiring terminals for flexible cord covered by theStandard for Current Taps and Adapters,UL 498A;
f) Devices employing male or female screwshells, covered by the Standard for Lampholders, uL496;
g)Devices solely intended for direct connection to the branch circuit in accordance with theNational Electrical Code,ANSI/NFPA 70, that are provided with contacts of the pin and sleeve type,covered by the Standard for Plugs,Receptacles and Cable Connectors of the Pin-and-SleeveType, UL 1682;