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 to add Low Ambient Requirements for Cable Glands to Sections 23, 24, 37.2 and 37.3 The new and revised requirements are substantially in accordance with Proposal(s) on this subject dated November 25, 2016 and January
4、 27, 2017. 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 reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mec
5、hanical 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. In no event will UL be liable for
6、 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 advised of the possibility of such d
7、amage. 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 loss, expense, liability, damage
8、, 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. MARCH 24, 2017 UL 2225 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION W
9、ITHOUT PERMISSION FROM UL MARCH 24, 2017 UL 2225 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SEPTEMBER 30, 2013 (Title Page Reprinted: March 24, 2017) 1 UL 2225 Standard for Cables and Cable-Fittings For Use In Ha
10、zardous (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 Fourth edition including revisions through March 24, 2017. The most recent designation of ANSI/UL 2225 a
11、s an American National Standard (ANSI) occurred on March 24, 2017. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, and 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
12、Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at https:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding th
13、ose Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2017 UNDERWRITERS LABORATORIES INC. ANSI/UL 2225-2017UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MARCH 24, 2017 UL 2225 2 No Text on This PageUL COPYRIGHTED MATE
14、RIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .5 2 Units of Measurement .6 3 Undated References 6 4 Glossary .6 PART I CABLES CONSTRUCTION 5 General 7 PERFORMANCE 6 General 8 7 Impact Test Low Temperature 8 8 Mechanical Damage I
15、mpact 8 9 Crushing Test 9 10 Flame Test9 MARKING 11 General.9 PART II EXPLOSIONPROOF AND DUST-IGNITIONPROOF CABLE SEALING FITTINGS CONSTRUCTION 12 General.9 13 Material10 14 Bonding Continuity 10 15 Joints .10 16 Supply Connections for Flameproof d and Explosionproof Fittings.11 17 Seal.11 18 Protec
16、tion 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 24 Hydrostatic Pressure Tests 19 25 Dust Penetration Test 20A 26 Leakage of Sealing Fittings Test21 27 High Humidity Tests.21 MARCH 24,
17、 2017 UL 2225 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 28 Non-Metallic Materials Tests 21 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
18、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 AND EXTRA-HARD USAGE CORD CONNECTORS CONSTRUCTION 31 General28 32 All AEx Cable Fittings and Cord Connectors 29 33 Flameproof d Construction 29 34
19、 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 36.1 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 t
20、ting strain relief performance 32 36.6 Flameproof tting or connector performance .32 36.7 Increased safety tting or connector performance .33 36.8 Dust exclusion by enclosures t or tD .34 MARKINGS 37 Details.35 SEPTEMBER 30, 2013 UL 2225 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTI
21、ON OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover Type MC-HL metal-clad cable for use in hazardous (classied) 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
22、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 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
23、 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) locations, Class I, Zone 1, Groups IIA, IIB, and IIC in accordance with the National Electrical Code, NFPA 70. 1.4 These requirements cover explosionpro
24、of 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, 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-ig
25、nitionproof cable sealing ttings intended 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 provisions of Title 46 Code of Federal Regulations Sub-part 111.105 and Subp
26、art 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. 1.6 These requirements cover increased safety e cable ttings and ameproof d cable sealing ttings for use in Class I, Zone 1 Group
27、s IIA, IIB and IIC hazardous (classied) locations, in accordance with the National Electrical Code, NFPA 70. 1.7 These requirements cover increased safety 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
28、 and drilling platforms, and other marine vessels. Investigations of these 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 Regulation
29、s, Subchapter J (Parts 110 to 113 inclusive) as applied by the authority having jurisdiction. 1.8 These requirements cover increased safety e cord connectors and ameproof d cord connectors for use only with extra-hard usage cord in hazardous (classied) locations, Class I, Zone 1 in accordance with t
30、he 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, and 22 hazardous (classied) locations in accordance with the National Electrical Code, NFPA 70. SEPTEMBER 30, 2013 UL 2225 5UL COPYRIGHTED MATERIAL N
31、OT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 1.10 These requirements cover dust ignition protection by enclosure 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 requirem
32、ents apply to cables, cable ttings and cord connectors for hazardous locations under the following atmospheric conditions: a) A minimum ambient temperature 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 atmos
33、phere. 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 to a code or standard appearing in the requirements of this standard shall be interpreted as refer
34、ring 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 SEALING FITTING A cable sealing tting capable of meeting the requirements for dust-ignitionproof construction and performance as given in this standard. 4.
35、3 DUST-IGNITION-PROTECTION BY ENCLOSURE FITTING A cable or cord tting capable of meeting the requirements for dust-ignition-protection by enclosure construction 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 com
36、bination of devices intended to provide a means of entry of a cable into a hazardous location explosionproof enclosure and which also provides strain relief and provides required sealing characteristics, either by an integral means or when combined with a separate sealing tting for use in Class I, D
37、ivision 1 or Division 2 locations. 4.5 FLAMEPROOF CABLE SEALING FITTING A cable or cord sealing tting capable of meeting the requirements for ameproof 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
38、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 or Zone 2 locations. 4.7 SEALING CHARACTERISTICS Those characteristics necessary to minimize the migration of gases through the seal and to prevent th
39、e propagation of ame from enclosures required to be explosionproof, and/or exclude hazardous dusts or readily ignitable bers from an enclosure required to be dust-ignitionproof. SEPTEMBER 30, 2013 UL 2225 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMIS
40、SION 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 with all construction and test requirements in the Standard for Metal-Clad Cables, UL 1569, or in the Standard for Instrumentation Tray Cable, UL 2250,
41、 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 construction and test requirements in the Standard for Electrical Power and Control Tray Cables with Optional Optical-Fiber Members, UL 1277, as applica
42、ble, 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 hazardous locations shall have the following construction features: a) A gas/vapor tight continuous corrugated metallic sheath; and b) An overall jacket of po
43、lymeric material. Type MC-HL cable shall have separate grounding conductors sized in accordance with Section 6, Tables in the Standard for Metal Clad Cables, UL 1569. 5.4 Type TC-ER-HL cable shall have the additional following construction features: a) Conductor insulation rating of 600 volts nomina
44、l; 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 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, j
45、acket, and grounding conductors required by 5.2 shall also comply with all applicable construction requirements in the Standard for Metal-Clad Cables, UL 1569, or the Standard for Instrumentation Tray Cable, UL 2250, as applicable. SEPTEMBER 30, 2013 UL 2225 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED F
46、OR 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 (classied) locations shall comply with all applicable performance requirements in the Standard for Metal-Clad Cables, UL 1569, or the Standard for Instr
47、umentation Tray Cable, UL 2250, as applicable and also the requirements in Sections710ofthis standard. 6.2 Type TC-ER-HL cables for use in Class I, Zone 1 hazardous locations shall additionally comply with the requirements in Sections710ofthis standard. 7 Impact Test Low Temperature 7.1 The non-meta
48、llic components of at least eight specimens of nished cable shall not crack when the nonmetallic components of 10 specimens of nished cable are tested. 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
49、 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. Immediately following this conditioning, each of the 10 specimens are to be placed on a solid supporting surface and then subjected to the impact specied in 7.1 by means of a steel h
