1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 2225 Cables and Cable-Fittings For Use In Hazardous (Classied) Locations STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION
2、 FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Cables and Cable-Fittings For Use In Hazardous (Classied) Locations, UL 2225 Fourth Edition, Dated September 30, 2013 Summary of Topics This revision to ANSI/
3、UL 2225 is being issued to include the following changes in requirements: Revisions for 37.3 and 37.4 to limit the risk of confusion over NEC permitted cable ttings being marked as though they are listed for the location by specically prohibiting such marking. The new and revised requirements are su
4、bstantially in accordance with Proposal(s) on this subject dated October 2, 2015 and December 18, 2015. Text that has been changed in any manner 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 repro
5、duced, stored in a retrieval system, or transmitted in any form 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 impl
6、ied warranties of merchantability or tness for any purpose. 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
7、, 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 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
8、defend, indemnify, and hold UL harmless from and against any 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. JANUARY 29, 20
9、16 UL 2225 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JANUARY 29, 2016 UL 2225 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SEPTEMBER 30, 2013 (Tit
10、le Page Reprinted: January 29, 2016) 1 UL 2225 Standard for Cables and Cable-Fittings For Use In Hazardous (Classied) Locations First Edition July, 1996 Second Edition December, 2005 Third Edition February, 2011 Fourth Edition September 30, 2013 This ANSI/UL Standard for Safety consists of the Fourt
11、h edition including revisions through January 29, 2016. The most recent designation of ANSI/UL 2225 as an American National Standard (ANSI) occurred on January 29, 2016. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page, or effective date information. Commen
12、ts 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 http:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electro
13、nic 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 2016 UNDERWRITERS LABORATORIES INC. ANSI/UL 2225-2016UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR
14、 FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SEPTEMBER 30, 2013 UL 2225 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .5 2 Units of Measurement .6 3 Undated References
15、 6 4 Glossary .6 PART I CABLES CONSTRUCTION 5 General 7 PERFORMANCE 6 General 8 7 Impact Test Low Temperature 8 8 Mechanical Damage Impact 8 9 Crushing Test 9 10 Flame Test .9 MARKING 11 General .9 PART II EXPLOSIONPROOF AND DUST-IGNITIONPROOF CABLE SEALING FITTINGS CONSTRUCTION 12 General .9 13 Mat
16、erial 10 14 Bonding Continuity 10 15 Joints 10 16 Supply Connections for Flameproof d and Explosionproof Fittings .11 17 Seal .11 18 Protection Against Corrosion 12 19 Materials Applied to Joint Surfaces 12 PERFORMANCE 20 General .13 21 Torque .13 22 Resistance to Impact Test .13 23 Explosion Tests
17、.17 24 Hydrostatic Pressure Tests .19 25 Dust Penetration Test 20 26 Leakage of Sealing Fittings Test 21 27 High Humidity Tests .21 SEPTEMBER 30, 2013 UL 2225 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 28 Non-Metallic Materials Tests 2
18、1 28.1 General .21 28.2 Chemical compatibility by material samples .22 28.3 Chemical compatibility by complete end product tests .24 28.4 Test for accumulation of static electricity .26 29 Tests on Epoxy Sealing Compounds 27 30 Enclosure Types and Degree of Protection .28 PART III AEx CABLE FITTINGS
19、 AND EXTRA-HARD USAGE CORD CONNECTORS CONSTRUCTION 31 General 28 32 All AEx Cable Fittings and Cord Connectors 29 33 Flameproof d Construction 29 34 Increased Safety e Construction .29 35 Dust Ignition Protection by Enclosure t or tD 30 PERFORMANCE 36 All AEx Cable Fittings and Cord Connectors .31 3
20、6.1 General .31 36.2 Unarmored cable tting strain relief performance 31 36.3 Strain relief test .31 36.4 Mechanical strength .32 36.5 Armored cable tting strain relief performance 32 36.6 Flameproof tting or connector performance .32 36.7 Increased safety tting or connector performance .33 36.8 Dust
21、 exclusion by enclosures t or tD .34 MARKINGS 37 Details .35 SEPTEMBER 30, 2013 UL 2225 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover Type MC-HL metal-clad cable for use in hazardous (clas
22、sied) locations, Class I, Division 1, Groups A, B, C, and D; Class II, Division 1, Groups E, F, and G; Class I, Zone 1, Groups IIA, IIB, and IIC; and Zone 20, 21, and 22 in accordance with the National Electrical Code, NFPA 70. 1.2 These requirements cover Type ITC-HL instrumentation tray cable for
23、use in hazardous (classied) locations, Class I, Division 1, Groups A, B, C, and D, and Class I, Zone 1, Groups IIA, IIB, and IIC; and Zone 20, 21, and 22 in accordance with the National Electrical Code, NFPA 70. 1.3 These requirements cover Type TC-ER-HL tray cable for use in hazardous (classied) lo
24、cations, Class I, Zone 1, Groups IIA, IIB, and IIC in accordance with the National Electrical Code, NFPA 70. 1.4 These requirements cover explosionproof and dust-ignitionproof cable sealing ttings for use in hazardous (classied) locations, Class I, Division 1 and 2, Groups A, B, C, and D; Class II,
25、Division 1 and 2, Groups E, F, and G in accordance with the National Electrical Code, NFPA 70. 1.5 These requirements cover explosionproof and dust-ignitionproof cable sealing ttings intended for use on mobile offshore oil rigs and drilling platforms, and other marine vessels. Investigations of thes
26、e ttings include an evaluation for conformity to the installation and use provisions of Title 46 Code of Federal Regulations Sub-part 111.105 and Subpart 111.60 of the United States Coast Guard Electrical Engineering Regulations, Subchapter J (Parts 110 to 113 inclusive) as applied by the authority
27、having jurisdiction. 1.6 These requirements cover increased safety e cable ttings and ameproof d cable sealing ttings for use in Class I, Zone 1 Groups IIA, IIB and IIC hazardous (classied) locations, in accordance with the National Electrical Code, NFPA 70. 1.7 These requirements cover increased sa
28、fety e cable ttings and ameproof d cable sealing ttings for use in hazardous (classied) locations, Class I, Zone 1 for use on mobile offshore oil rigs and drilling platforms, and other marine vessels. Investigations of these ttings include an evaluation for conformity to the installation and use pro
29、visions of Title 46 Code of Federal Regulations Sub-part 111.105 and Subpart 111.60 of the United States Coast Guard Electrical Engineering Regulations, Subchapter J (Parts 110 to 113 inclusive) as applied by the authority having jurisdiction. 1.8 These requirements cover increased safety e cord con
30、nectors and ameproof d cord connectors for use only with extra-hard usage cord in hazardous (classied) locations, Class I, Zone 1 in accordance with the National Electrical Code, NFPA 70. 1.9 These requirements cover dust ignition protection by enclosure t and tD cable ttings for use in Zone 20, 21,
31、 and 22 hazardous (classied) locations in accordance with the National Electrical Code, NFPA 70. SEPTEMBER 30, 2013 UL 2225 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 1.10 These requirements cover dust ignition protection by enclosure
32、t and tD extra-hard usage cord connectors for use in Zone 20, 21, and 22 in accordance with the National Electrical Code, NFPA 70. 1.11 These requirements apply to cables, cable ttings and cord connectors for hazardous locations under the following atmospheric conditions: a) A minimum ambient temper
33、ature of minus 50C (minus 58F); b) An oxygen concentration of not greater than 21 percent by volume; and c) A nominal barometric pressure of one atmosphere. 2 Units of Measurement 2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate informat
34、ion. 3 Undated References 3.1 Any undated reference 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 The following denitions apply in this standard. 4.2 DUST-IGNITIONPROOF CABLE SEALI
35、NG FITTING A cable sealing tting capable of meeting the requirements for dust-ignitionproof construction and performance as given in this standard. 4.3 DUST-IGNITION-PROTECTION BY ENCLOSURE FITTING A cable or cord tting capable of meeting the requirements for dust-ignition-protection by enclosure co
36、nstruction and performance as given in this standard for use in Zone 21 or Zone 22 locations. 4.4 EXPLOSIONPROOF CABLE SEALING FITTING A device or combination of devices intended to provide a means of entry of a cable into a hazardous location explosionproof enclosure and which also provides strain
37、relief and provides required sealing characteristics, either by an integral means or when combined with a separate sealing tting for use in Class I, Division 1 or Division 2 locations. 4.5 FLAMEPROOF CABLE SEALING FITTING A cable or cord sealing tting capable of meeting the requirements for ameproof
38、 construction and performance as given in this standard for use in Class I, Zone 1 or Zone 2 locations. 4.6 INCREASED SAFETY CABLE FITTING A cable or cord tting capable of meeting the requirements for increased safety construction and performance as given in this standard for use in Class I, Zone 1
39、or Zone 2 locations. 4.7 SEALING CHARACTERISTICS Those characteristics necessary to minimize the migration of gases through the seal and to prevent the propagation of ame from enclosures required to be explosionproof, and/or exclude hazardous dusts or readily ignitable bers from an enclosure require
40、d to be dust-ignitionproof. SEPTEMBER 30, 2013 UL 2225 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL PART I CABLES CONSTRUCTION 5 General 5.1 Type MC-HL and ITC-HL cables for use in Division 1 and Zone 1 hazardous locations shall comply w
41、ith all construction and test requirements in the Standard for Metal-Clad Cables, UL 1569, or in the Standard for Instrumentation Tray Cable, UL 2250, as applicable, except where modied by this standard. 5.2 Type TC-ER-HL cables for use in Class I, Zone 1 hazardous locations shall comply with all co
42、nstruction and test requirements in the Standard for Electrical Power and Control Tray Cables with Optional Optical-Fiber Members, UL 1277, as applicable, except where modied by this standard. 5.3 Type MC-HL and Type ITC-HL cables for use in Division 1, Zone 1, Zone 20, Zone 21, and Zone 22 hazardou
43、s locations shall have the following construction features: a) A gas/vapor tight continuous corrugated metallic sheath; and b) An overall jacket of polymeric material. Type MC-HL cable shall have separate grounding conductors sized in accordance with Section 6, Tables in the Standard for Metal Clad
44、Cables, UL 1569. 5.4 Type TC-ER-HL cable shall have the additional following construction features: a) Conductor insulation rating of 600 volts nominal; b) Overall cable diameters 25 mm (1 inch) or less; and c) At least one copper equipment grounding conductor sized in accordance with the grounding
45、conductor tables in Section 8 of Standard for Electrical Power and Control Tray Cables with Optional Optical-Fiber Members, UL 1277. 5.5 The sheath, jacket, and grounding conductors required by 5.2 shall also comply with all applicable construction requirements in the Standard for Metal-Clad Cables,
46、 UL 1569, or the Standard for Instrumentation Tray Cable, UL 2250, as applicable. SEPTEMBER 30, 2013 UL 2225 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL PERFORMANCE 6 General 6.1 Type MC-HL and Type ITC-HL cables for use in hazardous (c
47、lassied) locations shall comply with all applicable performance requirements in the Standard for Metal-Clad Cables, UL 1569, or the Standard for Instrumentation Tray Cable, UL 2250, as applicable and also the requirements in Sections71 0o fthis standard. 6.2 Type TC-ER-HL cables for use in Class I,
48、Zone 1 hazardous locations shall additionally comply with the requirements in Sections71 0o fthis standard. 7 Impact Test Low Temperature 7.1 The non-metallic components of at least eight specimens of nished cable shall not crack when the nonmetallic components of 10 specimens of nished cable are te
49、sted. The test is to consist of an impact of a 3 pound (1.36 kg) mass falling through a distance of 3 feet (0.91 m) at a temperature of minus 25 1C (minus 13 1.8F), or at the minimum ambient rated and marked on the cable, if rated lower than minus 25C (minus 13F). 7.2 The 10 specimens are to be placed in an environmental chamber and maintained at the required temperature for a period of 4 hours. Immedia
