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UL Marking and Application Guides are updated as necessary due to new product development, changes in the codes, or the need for clarification. To confirm the current status of any UL Marking Guide, please consult the Code Authorities page of the UL Web site at www.ul.com/codeauthorities.
This publication explains markings found on Underwriters Laboratories Inc. Listed, Classified, or Verified wire and cable.
Underwriters Laboratories Inc. (UL) has developed this guide for use by code and inspection authorities, electric utilities, contractors, installers, users, designers, and other interested parties to aid in understanding the markings found on wire and cable, and the applicable codes and standards in order to facilitate a reasonably safe and code-compliant installation.
Wire and Cable Marking Guide Copyright © 2010, Underwriters Laboratories ®
1
Wire and Cable Marking Guide
INTRODUCTION
This guide is intended to assist installers, contractors, and authorities having jurisdiction in determining the suitability of UL Listed, Classified, or Verified wire and cable for use in a specific installation. Toward this goal, the guide:
Although they may be broadly worded, required or optional product markings (and their locations) are specific to the product with which they are associated. This document is intended to be used in determining the suitability of a particular UL Listed, Classified, or Verified wiring product that complies with all the applicable UL requirements, in a particular application.
Marking Guide
Wire and Cable
January 2010
Copyright © 2010, Underwriters Laboratories Inc.® 68-012010
Wire and Cable Marking Guide
PREFACE
Each year millions of feet of wire and cable are installed in all types of buildings and for use in many different environmental conditions. Because of the choices available, it is important to know which wiring systems are suitable for a specific situation. It is also important to be able to properly identify these systems. Markings on or associated with the product, the UL Listing, Classification, or Verification information, and requirements in the current edition of the National Electrical Code® all convey the information needed to ensure a compliant installation.
TABLE OF CONTENTS
Introduction ................................................................................................................ 2 How to Use this Guide ..................................................................................……...... 3 Identification of Listed Products......................................................................……..... 4 Identification of Classified Products............................................................................ 4 Identification of Verified Products .............................................................................. 5 General Characteristics ............................................................................................. 7 Wire and Cable Marking Tables 1, 2 and 3 .........................................................…... 9 Explanations and Notes for Marking Tables .........................................................…... 14 Wire and Cable Category/Type ...........................................................................….... 14 NEC® Article ............................................................................................................... 14 UL Category Code ..........................…………………................................................. 14 UL Mark on Product .................................................................................................... 14 Temperature (oC) Dry and Temperature (oC) Wet ........................................…........... 14 Voltage (V) .........................................................................................................…..... 16 Outdoor Use.................................................................................................………..... 17 Sunlight Resistance ...................................................................................……….….. 17 Cable Tray Use ........................................................…................................................ 18 Oil Resistance .....................................................................................................…..... 18 Gasoline Resistance ................................................................................................… 18 Direct Burial .......................................................................................…...................... 19 Submersible Pump Use .............................................................................................. 19 Other ..................................................................................................………….......... 19 Appendix A — Wire, Cable and Cord Designations ................................................... 22
Your comments or suggestions are welcome and appreciated. They来自百度文库should be directed to:
Regulatory Services Department Underwriters Laboratories Inc. 333 Pfingsten Road Northbrook, IL 60062 ulregulatoryservices@us.ul.com 800-595-9844
This publication explains markings found on Underwriters Laboratories Inc. Listed, Classified, or Verified wire and cable.
Underwriters Laboratories Inc. (UL) has developed this guide for use by code and inspection authorities, electric utilities, contractors, installers, users, designers, and other interested parties to aid in understanding the markings found on wire and cable, and the applicable codes and standards in order to facilitate a reasonably safe and code-compliant installation.
Wire and Cable Marking Guide Copyright © 2010, Underwriters Laboratories ®
1
Wire and Cable Marking Guide
INTRODUCTION
This guide is intended to assist installers, contractors, and authorities having jurisdiction in determining the suitability of UL Listed, Classified, or Verified wire and cable for use in a specific installation. Toward this goal, the guide:
Although they may be broadly worded, required or optional product markings (and their locations) are specific to the product with which they are associated. This document is intended to be used in determining the suitability of a particular UL Listed, Classified, or Verified wiring product that complies with all the applicable UL requirements, in a particular application.
Marking Guide
Wire and Cable
January 2010
Copyright © 2010, Underwriters Laboratories Inc.® 68-012010
Wire and Cable Marking Guide
PREFACE
Each year millions of feet of wire and cable are installed in all types of buildings and for use in many different environmental conditions. Because of the choices available, it is important to know which wiring systems are suitable for a specific situation. It is also important to be able to properly identify these systems. Markings on or associated with the product, the UL Listing, Classification, or Verification information, and requirements in the current edition of the National Electrical Code® all convey the information needed to ensure a compliant installation.
TABLE OF CONTENTS
Introduction ................................................................................................................ 2 How to Use this Guide ..................................................................................……...... 3 Identification of Listed Products......................................................................……..... 4 Identification of Classified Products............................................................................ 4 Identification of Verified Products .............................................................................. 5 General Characteristics ............................................................................................. 7 Wire and Cable Marking Tables 1, 2 and 3 .........................................................…... 9 Explanations and Notes for Marking Tables .........................................................…... 14 Wire and Cable Category/Type ...........................................................................….... 14 NEC® Article ............................................................................................................... 14 UL Category Code ..........................…………………................................................. 14 UL Mark on Product .................................................................................................... 14 Temperature (oC) Dry and Temperature (oC) Wet ........................................…........... 14 Voltage (V) .........................................................................................................…..... 16 Outdoor Use.................................................................................................………..... 17 Sunlight Resistance ...................................................................................……….….. 17 Cable Tray Use ........................................................…................................................ 18 Oil Resistance .....................................................................................................…..... 18 Gasoline Resistance ................................................................................................… 18 Direct Burial .......................................................................................…...................... 19 Submersible Pump Use .............................................................................................. 19 Other ..................................................................................................………….......... 19 Appendix A — Wire, Cable and Cord Designations ................................................... 22
Your comments or suggestions are welcome and appreciated. They来自百度文库should be directed to:
Regulatory Services Department Underwriters Laboratories Inc. 333 Pfingsten Road Northbrook, IL 60062 ulregulatoryservices@us.ul.com 800-595-9844