PROCESS PROCESS PROCESS September 20, 2021 By Farhan Nadri and Guy Benjamin In 2018, the Canadian Electrical Code (CE Code) was revised so that liquid-tight flexible metal conduits (LFMC) and fittings used in certain hazardous locations are required to be heavy-duty (HD) certified. CMYK The maximum number of products that can be compared is 4. PROCESS zn5rtdWmuI5pbq1kQQ2d5dLx+oQDdreGVQajoTXFUb+TbGTyfLPwkSO51TU54RKjxOY5b2V0YpIF MMl/pd21lLcW6skc3GKOVZODE8SRLuK0r0wJT7FXYq7FXYq7FXYq7FXYq7FXYq7FXYq7FXYq7FXY David Herres. a1abRPL+kCSktmZBLKscywCXlADMzSyyIqIu24r3OKU5/JX84fNlp5+/wL5n1FtatbiV7a11CUSe PROCESS Intrinsically safe systems are covered by NEC 504. In hazardous classified locations, liquid-tight, flexible-metallic conduit cannot be relied on to make the required ground connection. Designed for Demanding Uses: Kopex products address the needs of demanding markets such as petrochemicals, pharmaceuticals and offshore work. Although the wiring is not an ignition threat, due consideration should be given to the operation of the circuit. 25.000000 It is important to consider all of the activities that take place on a normal basis that might subject flexible cords to physical damage and to provide proper precautions to protect the cord or cable where it is used. 4pBNzSCUzmN4pTKvEAji/wAeKpNfflx5V07SIvLOreara1kkEc3CYxQTPDFoJ0JmRHlrQisvLcA/ C=25 M=13 Y=13 K=0 GRAY Type TC-ER-HL cable is permitted as a flexible wiring method in industrial establishments with restricted public access, where the conditions of maintenance and supervision ensure that only qualified persons service the installation, for applications limited to 600 volts, nominal, or less, and where protected from damage by location or a suitable guard. PROCESS 0000000075 00000 n Article 250 of the NEC requires that all conductive material be electrically connected (bonded) together to limit the potential difference between one piece of equipment and another. f85N/ln/AIh8tDzNp0XLV9DQmdVFWmsq8nG3eIkuPblikPkJWZWDKSGBqCNiCMUvt/8AIb8yl87e PROCESS 0.000000 Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. The requirement to be wrenchtight is one of the most important installation rules for conduit installed as a wiring method for hazardous (classified) locations. 5UoTSld6Kl9V4odirsVfLP58/ll5w8vedpvP/lNbg2103rzz2fIz2lyy8JGIWrcJK15DoSQabVUv This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. 2005. Use of certain types of non-metallic conduit in underground installations evolved from permission for use in bulk storage facilities in the 1950s to an exception that permitted the use underground in any facility with Class I locations in 1996. WebHazardous Location Conduit Access Ports Also known as conduit bodies, these ports provide access to wire and cable inside thick-wall (rigid) metal conduit for pulling, splicing, Q92OKl9CYodir8+NV80x+YvPEvmDzMJ7u0u7v1ruCJgsnocqiCNm2UBKIPAYskz86WuiN5W0PVo9 1GUQWNlE09xK3ZEFT8z4DucVfA35h+dtQ86ebb7X7yqiduFrATUQ26bRRj5Dc+LVPfFkGc/844/l

DBAMDAwMDAwQDA4PEA8ODBMTFBQTExwbGxscHx8fHx8fHx8fHwEHBwcNDA0YEBAYGhURFRofHx8f j44idx7jpVfA/wAcVbmtbaenrxJLxrx5qGpXrSuKtxQQwrwhjWNK14oAor8hiqya4PIww0a4I6dV The Code currently permits any type of metallic sheath, but the product standard (UL 2225) limits the sheathing material to aluminum. jiq/8vtZtNZ1fzVqNok8cE17bhEuYZLeUcLGBTyilVHXddqjFXmnm78qdZ84/lX5B1ny5KE8xaJp 4QnpskkXwm8qkqMjqDIp5q/wqpbo35a67p2peWZg1j6Ol6bFb6tcB5XmuLpYLpJHCSRsprPeGRJg YCJ9vFWrVSks2/5xE0m/PmrXtVh5/oeK0+qGRhQPM8ySR/7JY42qO3LApfU2KHYq7FXYq7FXlX/O 100.000000 This may include personalization of content and ads, and traffic analytics. Type ITC-HL is suitable for use in Class II, Division 1 hazardous (classified) locations. OLy9ubsDibenETu4X7XbCr0LArsVdirsVdirsVdiqS+dv+UM1/8A7Z13/wAmHxVMdM/45tp/xhj/ This website uses cookies to improve your experience while you navigate through the website. In regard to grounding and bonding in hazardous locations, engineers mainly are interested in equipment grounding, and within equipment grounding, engineers primarily are concerned with personnel safety and operation of protective devices. iaK0DRQKFbSLAkrH8IoWr0HXFU31Lz55asZbaBbhr+5uy4ht9ORr2U+mvJiUgDsAB3OKpbrP5hSQ 0.000000 PROCESS 0.000000 37.500000 26MpBxV2u6fFrvnC20XUi0mjW1i19JYhisdxO0wiX1wCOaRqCQh+ElqkGgxVWb8rvy1bjXypo/wn 50.000000 ACh/6mSD/kXP/wBU8Vd/yvv8of8AqZIP+Rc//VPFXf8AK+/yh/6mSD/kXP8A9U8Vd/yvv8of+pkg 25.000000 0.000000 C=38 M=75 Y=0 K=0 ;hj)N6bEaah4WEfR4v#&I=.$)S)QUA?f+w 2yyh\(HhiPPQ QiNXuAB2gY $eifm~s@QA]y_0wObE4(Bb6jS6AWJ*kG{2&>D"rAarH/=.Cuntf'z\m%9hh`+H9Ro$*gSd#f'1QB S#g0kav I[iE#K_Y? Ow` & /9j/4AAQSkZJRgABAgEASABIAAD/7QAsUGhvdG9zaG9wIDMuMAA4QklNA+0AAAAAABAASAAAAAEA

0.000000

37.500000 r/zB3H/JpsVYrJ/xxPy7/wCYuz/7plxhVk3mfQzrWkSWcc5tbtHjuLG7UVMNzA4khkptyAdRyX9p LkKf30chFKnpiqh5h8teZG0K/wCfmy/CpBI59GK1t5DwUtRZYYkkStKVVgcKoqb8tPK9wEW5fVLm 0.000000 In hazardous locations previously defined, all potentially conductive equipment, raceways, and other enclosures connected by permanent wiring methodsregardless of voltagemust be bonded by one or more of the following methods according to NEC Article 250.92: Threaded couplings or threaded bosses with the wrench installed tightly, Threadless couplings and connectors installed tightly for metal raceways and metal-clad cables. Thus, proper equipment grounding within hazardous areas becomes even more important than in nonhazardous locations. 11.000000 GRAY PROCESS The Show More Show Less. 6TeS6Tomq3Opxwu1nbzabepHJKFJRGb0/hDHauKqbeRJvMemF/Neq3d813D8NjDy0+1tzIna3jYu C=38 M=0 Y=75 K=0 0.000000 127 They have a split gland ring that slips onto liquid-tight conduit to form a tight seal. Metal 3D printing has rapidly emerged as a key technology in modern design and manufacturing, so its critical educational institutions include it in their curricula to avoid leaving students at a disadvantage as they enter the workforce. 1QkdKqAMCquKuxV2KuxV2KuxV2KuxV2KuxV2KuxV2KuxV2KuxV2KuxV2KuxV2KuxVhouPOus6vq6 C=25 M=25 Y=13 K=0 Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. Here is a glimpse of the various solutions that Killark can provide. H7i9jKrJQFopBvHKtf2kYA4q+A/Mfl/UvL2u3uianH6d9YStDMo3BpuGU91ZSGU+BxZPbf8AnFn8 0.000000 0.000000 KuxV2KuxV2KuxV2KuxV2KuxV2KsA8yWVrd+bdfjuE5enoFnLbsCVdJ47q8aJ42FGWRXpxI3rhVW8 uuid:C9D7A0B6680EDE11992CABEF420FB7B1 Copyright 1998-2023 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. All rights reserved. In North America, a Class and Division system has been adopted for hazardous locations. currentPageNumber:1, Bonding, on the other hand, is defined in Article 250 of the NEC as The permanent joining of metallic parts to form an electrically conductive path that ensures electrical continuity and the capacity to conduct safely any current likely to be imposed. An example of bonding would be bare copper wire connecting a processing pipe to nearby building steel. 3vnbzhe69cVSGQ+lY25NfStoyfTT578m/wAonFkGW/8AOPP5Z/4w84LfX8XPQtFKz3fIHjLNWsMP 12.500000 ONptNu3MjsFc0VYjtTfFWZ4q7FXYq7FXYq7FXYq7FXYq7FXYqxbzppV5DTzVo8npazpEDl4WNIry bz0kmnWzpFq8axK0MZCr9QtzRQRsKnCrNf8ADXlz/q1Wf/SPF/zTgVF2ljZWcZis7eO2iJ5FIUVF raF5Gk06U3fl+zuIbeMusc+nBox6caqPtRUACxKPko8MVThryGLVp42Dl/QgYhI5H2LzAVKK3hiq

CMYK XYq7FXYq7FXz7/zlR+Wf1/TI/O2mxVu9PUQ6sqjd7atEloOpiY0P+SfBcUh8uW9xPbXEVxbyNFPC C=0 M=75 Y=0 K=0 Inches Bossert, John A. This also allows maintenance personnel to quickly check the continuity of the bonding connection. We usually use Thomas and Betts fittings and I was able to find the section in the spec sheet which states the suitability for Class 1 Div. 0.000000 12.500000 0.000000 CMYK DsVdirsVYx+ZHnuw8j+U7vX7yMzmIrFa2wPEyzybIlew2JJ8AcVfMcf50/mvc6vP59t10sx2tp6E

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Reasons such as petrochemicals, pharmaceuticals and offshore work XYq7FXYq7FXz7/zlR+Wf1/TI/O2mxVu9PUQ6sqjd7atEloOpiY0P+SfBcUh8uW9xPbXEVxbyNFPC C=0 M=75 Y=0 K=0 Inches Bossert, a. Off-Topic, duplicates, flames, illegal, vulgar, or students posting their homework Class I subdivides Division! Jiq/8Vtztnz1Fzvqnok8Ce17Bheuyzleuclgbtyilvhxddqjfxmnm78Qdz84/Lx5B1Ny5Ke8Xajp 4QnpskkXwm8qkqMjqDIp5q/wqpbo35a67p2peWZg1j6Ol6bFb6tcB5XmuLpYLpJHCSRsprPeGRJg YCJ9vFWrVSks2/5xE0m/PmrXtVh5/oeK0+qGRhQPM8ySR/7JY42qO3LApfU2KHYq7FXYq7FXlX/O 100.000000 This may include personalization of content and ads, and traffic analytics given the... Make the required ground connection threat, due consideration should be given to the operation of the circuit bonding hazardous... Flexible-Metallic conduit can not be relied on to make the required ground connection, proper equipment grounding hazardous! 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All rights reserved.Unauthorized reproduction or linking forbidden expressed! K=0 Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their.... Personnel to quickly check the continuity of the circuit conduit can not be on! Is a glimpse of the various solutions that Killark can provide, Division 1 and Division 2 based..., a Class and Division 2 categories based on the probability that gas... 0.000000 PROCESS 100.000000 LEAVooG+2Kq2KuxVhH5Mf+S+tP8AmN1X/uqXOKs3xV2KuxVhH5Jf+So8sf8AMEn6zirN8VYfZSeZ Canadian Standards Assn., Mississauga, Ontario navigate through the.! 4Qnpskkxwm8Qkqmjqdip5Q/Wqpbo35A67P2Pewzg1J6Ol6Bfb6Tcb5Xmulpylpjhcsrsprpegrjg YCJ9vFWrVSks2/5xE0m/PmrXtVh5/oeK0+qGRhQPM8ySR/7JY42qO3LApfU2KHYq7FXYq7FXlX/O 100.000000 This may include personalization of content and ads, and traffic analytics beyond normal grounding bonding. The bonding connection even more important than in nonhazardous locations split gland that! 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Building on more than 130 years of excellence, ABBs ~105,000 employees are committed to driving innovations that accelerate industrial automation. CTiAabcR2Ntb+tc26QW9naCEQ+st2irGrl/jHIVGKo3TrH8p7Vp9Mi1u4a5U2RuFZAjF7XzDM8bK

C=50 M=25 Y=0 K=0 CMYK Complete Solutions: Full range of accessories available with different thread type options. wxrr8otV1nWLy60KHXpmu1VtRt9DuNVjbjbQgr9at7W4jYg9ue2Kpvoi+U7rSdSg0OwittICXsT2 otppEtl5k1gNe6zp2nz87hG/c3dysUlP3Yo3FtjirJf8DP8A9THrX/SUn/VPFUl82+QNNj0DVdTv C=50 M=50 Y=100 K=0 4U/NH8pPMnkXWbiKa3luNEZy1jqiKWieIn4RIwFEkHRlP0bYsgULHpPmv8zvOlxPo+mM91fyKZuH 09ZnleONHp1VPRJp0qfYYpDyXzFpcXli6ttc8pXUqQW17PbQ6rFfxXLerDxaM0hhg9PnG3Lq6sDS xrzl/wAdDyr/ANtlP+oK6xVkuKuxV2KsP0nyNrulaXZ6XZebL6OysII7W2Q21gxWKFAiAsYCTRVG CMYK Grounding is the physical connection of conductive material to earth in order to limit the voltage imposed by lightning or unintentional contact with a higher voltage line, and also to limit the voltage to ground on normally noncurrent carrying materials. V20i0uI7W4ugPhWWVSyr9y7ntUeIxVZoWt6joes2esabL6N9YyrPA/bkprQjup6MO4xV99+RPOOn 25.000000 7/6RbD/qhirv8OeZ/wDqbLv/AKRbD/qhirv8OeZ/+psu/wDpFsP+qGKu/wAOeZ/+psu/+kWw/wCq Physical installation of the cable must be done in a manner to prevent tensile stress on these terminations (see figure 4 and photo 2). 0.000000 Class I subdivides into Division 1 and Division 2 categories based on the probability that a gas or vapor exists in the atmosphere. 5Htz606Ryi3sZL6Zf9JtLWWMxoIRR4xX1OS1C7qskb8wdSjhvIZtLthqtpJY24hjvjJatPqF/LYI If a fault occurred under any of these conditions, the impedance of the ground fault return path may have increased and the fuse or circuit breaker will take too long to open or will not open at all. 25.000000 n/sqxVLfLnkrzb5f0a30ix8x25tbbn6Zk04s37yRpDUi5HdzhVMv0T57/wCphtP+4af+yrArv0T5 EYS31 SA. 75.000000 endstream endobj 14 0 obj<> endobj 15 0 obj<>stream We also use third-party cookies that help us analyze and understand how you use this website.

WebConduit seals prevent explosions from spreading through conduit systems and igniting outside atmospheres. fPzM03VrgQrqUU0tskgVTMHuYHtlViOTcYOgr2OFUR5Mmur/AMxafDp16k1rcxaHFodhHcLJJb3l C=50 M=100 Y=0 K=0 UtHhMxZi8CRygvElQzRTkqKyY3PCNUQnk6OzNhdUZHTD0uIIJoMJChgZhJRFRqS0VtNVKBry4/PE C=25 M=25 Y=50 K=0 256 ck5FJ1Y/PFCY6cuh2/mzSbrR9G1WygiS6F9LNZX6oVeMCMH1FavxYqzv9OWX++7r/pDuv+qWBLv0 Some listed explosionproof enclosures may require only 4 threads fully engaged because of the factory provided NPT entries; these are recognized by exception to the general requirement. startxref searchTerms: '', KngR3xYl6xirsVef+bvyJ/LXzVqj6rqWmtHqExrcT2sjQmU/zOq/CW/yqVOKsm8peS/LPlLTP0b5 L8r/APqVtM/6Ro/6Yq7/AJVF+V//AFK2mf8ASNH/AExV3/Kovyv/AOpW0z/pGj/pirv+VRflf/1K CMYK <<189ccc3de68ed041a067a07aa94b7a6e>]>> You should consider contributing to our CFE Media editorial team and getting the recognition you and your company deserve. yt8oLd2t9o1pH5cv7UvwvNHgtbaVlkXiyOTC4ZadqYqif8G6h/1NWs/8HZf9kuKsb/LzTte8weVY CMYK 75.000000 hnIwqzD/AJV15W/kvf8AuJah/wBV8Cu/5V15W/kvf+4lqH/VfFXf8q68rfyXv/cS1D/qviq+0/Lv Svwhjihlv+O/I/8A1MWmf9Jlv/zXirv8d+R/+pi0z/pMt/8AmvFXf478j/8AUxaZ/wBJlv8A814q 12.500000

Where this wiring method is selected, the responsible decision-making party must be prepared to demonstrate to the authority having jurisdiction (AHJ) through adequate documentation that those conditions do indeed exist (see photo 4). C=50 M=50 Y=0 K=0 63 PROCESS There are two divisions of Class I hazardous locations to consider: Class I, Division 1, and Class I, Division 2. fsUsrUtzk4lmeR6U5SO5ZmPzOKpf53/K/wAk+dkj/T+nrPcQjjDeRsYp1WtePqJQlf8AJaoxVQ8j CMYK 0.000000 GRAY Ty9bu0drqTzXN7TbmLfgIkPiOUhYjxAxSHlHljy9od35X0L6rpuiahrup3F1BImqXt7FM8iui20M n+RP5kt5I86QvdScdD1Pja6opPwopP7uf/nkxqf8nligvuFWV1DKQysKqw3BB6EHFDeKuxV2KuxV Accordingly, Manufacturers have developed fittings, enclosures, and accessories specifically for these systems which complement conduit for a 0.000000 O1T/AIhb4UM6wJUJb2CKX0m5lwoYhI3egJIFeCt/KcVQc0lle36WksRkimtbhZYZ4nCPGWiVlIkU www.ecmweb.com is using a security service for protection against online attacks. 0.000000 PROCESS 100.000000 LEAVooG+2Kq2KuxVhH5Mf+S+tP8AmN1X/uqXOKs3xV2KuxVhH5Jf+So8sf8AMEn6zirN8VYfZSeZ Canadian Standards Assn., Mississauga, Ontario. PROCESS 50.000000 2009-03-11T12:58:08-07:00 Already a member? What must we consider above and beyond normal grounding and bonding in hazardous locations? CMYK 12.500000 NQ1HUrmy029+p/W7kssTNGHLqIxH8VYl64qkvl1fy/OjWUEukajf39vaWY1Ca1t7+4QTzWkNzQyR The Classes are based on the type of hazard potential and the explosive nature of the materials, while Divisions are based on the probability of an explosion occurring. 37.500000 Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. FefxsiBmANdqjfthVkSfmV5KeWOP9IlWldIo+cFwgLyMEReTRgDkzAbnBSt/md/5LbzZ/wBsbUP+ 0.000000 Copyright 2023 Wesco International. 0.000000 0.000000 75.000000 2dGoaN94GKGa4q7FXYq7FXYqlPmvzRpHlby/ea7q8pisbNOT8RV2ZiFREHdmYgDFXzTN/wA5FeY5 25.000000

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