First Revision No. We showed a 2000 amp and 1600 amp disconnect located in each bay in line of sight from the cranes. All Categories. Previously, the NEC considered contact between metal wheels and the steel beam sufficient for grounding. DIVISION 14600. Bad bearings, corrosion, and dirty rails can all interfere with grounding by contact between the metal hoist trolley wheels and the crane. Michael_Keith54. SYSTEM DESCRIPTION. OSHA/CMAA/B30 Clarifications and Interpretations A disconnecting means in compliance with 430.109 shall be provided in the leads from the runway contact conductors or other power supply on all cranes and monorail hoists. Article 610 appears to deal with the crane or hoist system itself, not so much with the circuit that will supply power. thanks for your effort. Appliances. Bad bearings, corrosion, and dirty rails can all interfere with grounding by contact between the metal hoist trolley wheels and the crane. NEC 610 - Article 610 of the national electric code is for cranes and hoists: Seminar Flyer (PDF) Cancellations 14 days prior to training will receive a full refund. NFPA 70 Changes to the NEC 2017 Edition - Chapters 4-5 Online Training. (Cranes and Hoists) 2014 NEC Requirement. . Article 610. 100, eff. NEC Article 110, 240, NFPA 70E. Note: For definition of various kinds of cranes and hOists see American Standard Safety Code for Cranes, Derricks, and Hoists, ASA B30.2-1943. Hierarchy of controls. Where motors, or motor-operated appliances, are connected to any circuit supplying lighting or other appliance loads, the provisions of both the Article and Article 430 shall apply. Article 610 Monorail Hoist SECTION 610-1. Electrolytic Cells. CRANES AND HOISTS DIVISION 14600 14600 A-Series CMAA-D-and-E Page 14600-1 . NEC 610.61 Resources » Mazzella Companies. This guide provides comprehensive guidelines for planning for and implementing safety and emergency response operations at motorsports venues to facilitate effective fire suppression, as well as rescue and medical care for competitors, while also providing for the safety of first responders. . Self-adhesive NEC Tabs affix to your 2014 NFPA 70®: National Electrical Code® or NEC Handbook, so you can flip open your book to the latest electrical safety information and maximize time on the job. Double girder cranes are also highly suitable where the crane needs to be fitted with walkways, cabs, magnet cable reels or other special equipment. At American Crane, we offer several types of hoist lifting equipment based on the needs of our customers. OSHA has required that cranes be properly grounded by decades and the NEC provided updated grounding requirements in the 2005 revised edition of ANSI/NFPA 70 National Electric Code within Article 610, Cranes and Hoists, Section 610.61 Grounding. 210.8 GFCI Protection. Conductors leaving raceways or cables must be properly protected from abrasion via a separately bushed hole or a bushing in lieu of a box [610.12]. 2017 NEC Changes 4 610.42(B)(3) Branch-Circuit Short-Circuit and Ground-Fault Protection. Electric Signs and Outline Lighting . Chapter 6: Special Equipment Article 600: Electric Signs and Outline Lighting Article 604: Manufactured Wiring Systems Article 605: Office Furnishings Article 610: Cranes and Hoists Article 620: Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts and Stairway Chairlifts Article 625: Electric Vehicle Charging System Article 626 . Flylib.com. Cranes and Hoists: Article 610 6.2.1. 610-Cranes and Hoists You are here Solar365 National Electric Code 2008 I. Within View Of SECTION 610-31. Cranes (incorporated by reference) 4. If there is a no call and no show, no refund will be issued. Even the sections that mention 'Branch-Circuit" seem to be discussing components within the system. Learning Center. Top-running double girder cranes shall utilize the Spacemaster SX 3302-NFPA 70-2015 [ Section No. Article 610 is an "amend and append" of Chapters 1 -4, as they pertain to cranes and hoists. 610.32 ] 610.32 Disconnecting Means for Cranes and Monorail Hoists. Article 626. . The following metal parts shall be grounded: (a) Frames and tracks of electrically operated cranes; (b) The metal frame of a nonelectrically driven elevator car to which electric conductors are attached; Refer to the NEC® for a complete list and for other sections and articles that may be relevant. NEC Code Article 610.61 states: The diversity factor recognizes that all cranes will not be pulling maximum load all the time and usually not at the same time. Crane Owners Manual. Article 610 of the NEC addresses the installation electrical equipment and wiring on cranes. 210.12 AFCI Protection. NFPA 70, National Electric Code 2017. 610 says it covers cranes, monorail hoists, hoists, and runways [610.1], it doesn't define them in 610.2 (nor does Art. Reply Delete. Article 610 of the 2017 edition NEC, which concerns cranes and hoists, contains 61 discrete sections. Any crane or hoist operating in a hazardous location must conform to Art. In addition, this Article recognizes in Table 409.3 that industrial control panels may be constructed and installed for use in applications covered by other Articles in the NEC, such as Article 440 for air-conditioning and refrigerating equipment, Article 610 for cranes and hoists and Article 670 for industrial machinery.The It does not directly address specific control types, such as contactors or variable frequency. 610.3 Special Requirements for Particular Locations (A) Hazardous (Classified) Locations All equipment that operates in a hazardous (classified) location shall conform to Article 500. 2017 NEC Chapter 4 Articles 21 Terms. Rigging Inspections. ART]CLE 220 - BRANCH-CIRCUTT . NEC Code Article 610.61 states: 1.2 Design Requirements . The answer is that rules for these systems differ slightly from those for motors and controllers more generally. and signaling circuits where Part B of this article requires those circuits to be grounded. ANSI/ASME HST . All exposed non-current-carrying metal parts of cranes, monorail hoists, hoists, and accessories, including pendant controls, shall be bonded either by mechanical connections or bonding jumpers, where applicable, so that . NEC 70, Article 610: Cranes & Hoists (incorporated by reference) Unfortunately, after combing these four documents, I failed to strike gold or anything even close to gold for specifics on the requirements for EOT crane inspections. (see CMAA Spec #74 - 5) Yes No 21. Are motors designed and constructed in accordance with NEMA MG . The disconnecting means 660 X-Ray Equipment. NFPA 70E - Standard for Electrical Safety in the Workplace- 2018. The provisions of this Article shall apply to branch circuits supplying lighting or appliance loads or combinations of such loads. OSHA and ASME Compliance. Each article shows the NEC revision that it references. 501, 502, and 503, respectively. Lifting and Rigging Training. Electric Welders. Also in NFPA 70: National Electrical Code (NEC) Other Items In This Category. Single-and multiple-conductor cable intended for use and installation in accordance with Article 610 where flexibility is required. CRANES UTILIZING UNDER RUNNING TROLLEY HOISTS SPECIFICATION #74, REV. National Electric Manufacturer's Association . Hoist Line SINGLE & DOUBLE REEVED Norheim Hoist Line SINGLE & DOUBLE REEVED CORPORATE HEADQUARTERS 531 Old Swede Road • Douglassville, PA 19518 877.877.6778 • 610.385.6061 • fax: 610.385.3191 SERVICE, PARTS & STANDARD CRANES 1440 Ben Franklin Highway • Douglassville, PA 19518 877.877.6778 • 484.945.0420 • 484.945.0431 LESTER DIVISION Rigging Inspections. Changes to NEC Article 610.61 - Grounding Requirements for Overhead Cranes In January 2005, revisions were made to NEC Article 610.61, published by the National Fire Protection Association, with new requirements for how an overhead crane's electrification system should be sufficiently grounded. Course Description: This training is intended for anyone who is responsible for maintaining and troubleshooting the electrical components of overhead cranes and hoists. Matching game, word search puzzle, and hangman also available. Table 220.3 Additional Load Calculation References Calculation Article Section (or Part) Air-conditioning and refrigerating equipment, branch-circuit conductor sizing 440 Part IV Cranes and hoists, rating and size of conductors 610 610.14 Electric vehicle charging system branch-circuit and feeder calculations 625 625.41 The 2005 revision makes this approach no longer acceptable. These hoists are intended for applications requiring heavy lifting throughout . Tools. Article 424. 640 Audio Signal Processing, Amplification, and Reproduction Equipment. OSHA and ASME Compliance. Our selection includes: Electric Wire Rope Hoists. The Crane Manufacturers' Association of America (CMAA) publishes two specifications for overhead cranes: CMAA 70 for Top Running and Gantry Multiple Girder . For example, for two cranes multiply the total by .95. Design Examples and Problems National Electrical Code 2011 Handbook (National Fire Protection Association//National Electrical Code Handbook) Email This BlogThis! Previously, the NEC considered contact between metal wheels and the steel beam sufficient for grounding. 215 . Cranes and Hoists. Overhead Cranes. Where two or more motors are connected to the same branch circuit, each tap conductor to an individual motor is required to have individual overcurrent protection. . Attachment 0003 - Crane NEC Requirements.pdf for Contract Opportunity W15QKN-20-Q-5219. 3302-NFPA 70-2015 [ Section No. Article 610 provides only one definition (festoon cable). installation and usage of conductor bar systems are covered in the National Fire Protection Association's NFPA 70 National Electrical Code NEC Article 610. National Electrical Code 2020 of Minnesota > 5 Special Occupancies > 503 Class III Locations > 503.120 Control Transformers and Resistors — Class III, . ANSI / ASME B30.11 - 2004 Monorails and Underhung Cranes . .3 Supply motors compatible with adjustable frequency, variable speed, drive system, 40 to 1 speed range, suitable for hoist, trolley, and bridge drive applications. NEC, Article 610, Cranes, and Hoists. : if two cranes are working in tandem, each crane's largest motor must be . Here are the sad results; OSHA 1910.179: 667 words about crane inspections not exceeding 610 mm (24 in.) Article 620. .1 Article 610, Cranes and Hoists. Please note: This Standard is in a custom cycle due . So why focus on the means of disconnect? A diversity factor is then applied to the total (see NEC, Table 610-14(e)). 250-44. Rigging Equipment. Course #: CE-500 Course Length (Days): 2 days with option for 3 days of hands on. But there are two more documents that are seldom referred to, but rank in the most important five documents on the topic. NEC Chapters 1-4 64 Terms. 610 Cranes and Hoists. ANSI / ASME B30.17 - 2003 Overhead and Gantry Cranes (Top Running Bridge, Single Girder, Underhung Hoist) NEMA . Periodically, I update one of these. In Class I, Class II, and Class III locations, it must conform to Art. NEC Article 610. Ground-fault protection for personnel must be installed where power is provided for boat hoists in dwelling units that are . NEC Installation Requirements and NFPA70E impementation. Article 210 Branch Circuits . Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts. Within the text of the section, it clearly states: "The trolley frame and bridge frame shall not . NEC, Article 610, Cranes, and Hoists. AIC Ratings of equipment. Electric cranes and hoists are ubiquitous (see Photos ), but the NEC considers them to be "special equipment." Though Art. First Revision No. Labeling. If less than 14 days, a refund of 75% will be issued. Please wait. This class covers the current year code book in these areas: Article 250 - Grounding and Bonding, Article 285 - SPD for 1000v or less, Article 300 - Wiring Methods, Article 400 - Flexible cords and cables, Article 409 - Industrial Control Panels, Article 430 - Motors, Motor Circuits and controllers, Article 504 - Intrinsically Safe Systems, Article 610 - Cranes and Hoists, Article 670 . Lighting systems operating at 30 V or less. . But there are two more documents that are seldom referred to, but rank in the most important five documents on the topic. Contact conductors shall not be required to be enclosed in raceways. NEC Article 610. Aug 11, 2003 #1 We have two separate cranes in separate bays being fed from 480 volt switchgear located in an electric room. 240.5. 70: National Electrical Code (NEC) the large scope of the changes to the code, thereby seeking additional and more thorough reviews of the entire code, following completion of this course. Article 610- (cranes and hoist) STUDY Flashcards Learn Write Spell Test PLAY Match Gravity Article 610 special requirements for particular location subsection hazardous location Click card to see definition Cranes hoist runways and hazardous locations Click again to see term 1/30 YOU MIGHT ALSO LIKE. NATIONAL ELECTRICAL CODE 2014 Edition . The 1971 National Electric Code was not specific in this area, whereas the current 1981 NEC, Section 610-42 (A) specifically states, "Crane hoist and monorail hoist motor branch circuits shall be protected by fuses or inverse National Electric Code - 1999 . Air-conditioning and refrigerating equipment, branch-circuit conductor sizing Cranes and hoists, rating and size of conductors Electric vehicle charging system branch-circuit and feeder . 668. . Nonelectrical Equipment. NEC National Electric Code - 2017 Article 100, Article 240-1, Article 430-31, Article 430-51, Article 610-1, Article 610-31 *Compliance to this standard is limited to the extent such standard is incorporated into and made mandatory by OSHA regulations. Article 625. 2004 The proper selection of a material handling system involves determining several key items, . within this article. All Categories. . These "10 Tips" articles will help you work effectively with the National Electrical Code. NEC Code Article 610.61 states: . Design Requirements ***** Edit items below to remove codes, specifications, and standards that do not apply. 630. CIRCUITS REQUIRED 1. The disconnecting means 2004 The proper selection of a material handling system involves determining several key items, . Basically, you need a lockable disconnect at ground level for the feed to the rail, AND another disconnect on the platform where the feed FROM the rail goes to the hoist, etc. Article 610 has two "Other Article" requirements not covered by Chapters 1-4: Apply Art. NFPA 70, National Electrical Code, including Article 610, Cranes and Hoists. . NEC 610.61 Resources » Mazzella Companies. First and foremost, this was a safety amendment. Article 610, Cranes and Hoists, Section 610.61 Grounding clearly states, "The trolley frame and bridge frame shall not be considered electrically grounded through the bridge and trolley wheels and its respective tracks. DIV14-CRANE-SPECIFICATIONS2020.doc Page 14600-4. Although there is a grandfather provision, it only applies to how the overhead crane is designed. Cranes and Hoists : 610.42. Article 610-Cranes and Hoists-of the 2005, 2008, and 2011 Editions contains provision 610.61, which requires, in part, that " [t]he trolley frame and bridge frame shall not be considered as electrically grounded through the bridge and trolley wheels and its respective tracks," and that " [a] separate bonding conductor shall be provided." RE: Hoist Runway Mainline Disconnect standg (Agricultural) 1 Aug 07 12:30. Article 100, Article 240-1, Article 430-31, Article 430-51, Article 610-1 . Top-running and under-running single girder cranes shall utilize the Spacemaster SX low headroom or standard headroom electric wire rope hoists as manufactured by R&M Materials Handling Inc., Springfield, OH. Rigging Equipment. Article 430 shall apply where branch Crane Owners Manual. 5-1-64. National Electrical Code 2020 of Minnesota > 6 Special Equipment > 610 Cranes and Hoists > 610.3 Special Requirements for Particular Locations > (A) Hazardous (Classified) Locations > (3) . […] NEC . NEC grounding requirements consider the crane or hoist with all its associated equipment, including electrical equipment, as a single piece of equipment; therefore, all the conductive component parts shall be bonded together so that the entire crane or hoist is grounded in compliance with NEC Article 250, Part G, and NEC Section 610-61. Even so, OSHA does not necessarily prohibit the use of the wheels as a grounding method, but the NEC most certainly does! Elevators, dumbwaiters, escalators, moving walks, platform lifts, stairway chairlifts. crane E 610.33 Rating of disconnecting means for crane E 610.34 Limit switch E 610.41 Contact conductors E 610.42 Crane motors E 610.51 Grounding . Cranes and Hoists. General (A) Contact Conductor. in accordance with 310.120(B) ARTICLE 220 . Learning Center. Back in 2005, the revised edition of ANSI/NFPA 70 National Electric Code grounding requirements changed. Study free Science flashcards about NEC created by alphanaes to improve your grades. Article 610: Cranes and Hoists; Article 620: Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts; . Are motors designed and constructed in accordance with NEMA MG . Places of assembly and theaters per NEC 518 and 520; Cranes & hoists per NEC 610.11(C) As a grounding conductor for lengths up to 6 feet (20A max) as per NEC 250.118(5) Electric signs and outline lighting per NEC 600.7, 600.31 (1000 volts or less), and 600.32 (>1000 volts) article. Initially the NFPA® received 4,012 public suggestions for Using bare uninsulated conductor bars to power an overhead crane is okay, provided they are grounded and pose no risk of unintended contact. . (1) Class I Locations Analysis of Changes, NEC 2017 Item #361024. (see CMAA Spec #74 - 5) Yes No 21. 394 610 Cranes and Hoists 396 620 Elevators . NEC Article 610.61 and the applicable sections of NEC Article 250 explain the basic requirements of crane grounding . It does not apply to how the crane is installed and connected in a facility. All panel and interconnecting wiring in accordance with NFPA NEC Article 610? ARTICLE 610: CRANES AND HOISTS: ARTICLE 620: ELEVATORS, DUMBWAITERS, ESCALATORS, MOVING WALKS, WHEELCHAIR LIFTS, AND STAIRWAY CHAIR LIFTS: ARTICLE 625: ELECTRIC VEHICLE . A separate bonding conductor shall be provided." The terms " shall and shall not " make the fourth conductor for ground mandatory. 240.6. Short lengths of exposed con- ductors at resistors, collectors, and other equipment shall not be required to be enclosed in raceways. Determine proper wiring of cranes and hoists. The 2005 revision makes this approach no longer acceptable. Disconnects for individual cranes and hoists/monmorails are also discussed in detail. A B; Article 90: Introduction: Article 100: Definitions: Article 110: . HMI 100-74 Hoist Manufacturer's Institute - Specification for Electric Wire Rope Hoists; NEC 610-14 Determining Amperage Requirements for Cranes and Hoists; NEMA ICS 8 Industrial Control and Systems - Crane and Hoist Controllers; NFPA70 National Electrical Code; OSHA Occupational Safety & Health Administration Article 620. However, not all cranes should be designed with a single girder. Tabs highlight electrical topics by Code article and name including: 210 Branch Circuits. Start over; Based on the 2011 NEC. A disconnecting means in compliance with 430.109 shall be provided in the leads from the runway contact conductors or other power supply on all cranes and monorail hoists. Lifting and Rigging Training. CRANES AND HOISTS. Overhead Cranes. 2. Crane Service. The crane and hoist disconnect which shall be provided in the leads from the runway contact conductors or other power supply unless all the following requirements are met: a. . Any hoist with a push, hand geared or motorized trolley traveling on a single overhead beam. Article 610.31 of the NEC states as follows: 610.31 Runway Conductor Disconnecting Means. 630 Electric Welders. NFPA 70 Changes to the NEC 2017 Edition - Chapters 4-5 Online Training. Section 610.13B specifically addresses . built, industry standards for cranes and hoists did not include motor branch short circuit protection. 100 define them). Where taps to control NEC National Electric Code - 1999 Article 100, Article 240-1, Article 430-31, Article 430-51, Article 610-1, Article 610-31 *Compliance to this standard is limited to the extent such standard is incorporated into and made mandatory by OSHA regulations. According to OSHA, e-stops . NEC Section Match 2011. 610. (N.B. Busy. (B) Exposed Conductors. Article 610, Cranes and Hoists, Section 610.61 Grounding clearly states, "The trolley frame and bridge frame shall not be considered electrically . Article 610: Cranes and Hoists: Article 646: Modular Data Centers: Article 660: X-Ray Equipment: Article 668: Electrolytic Cells: Article 682: Natural and Artificially Made Bodies of Water: Article 210 Branch Circuits / Wiring and Protection from Pocket Guide to the National Electrical Code 2005. c. Open all ungrounded conductors simultaneously per NEC Section 610-31(3) d. Be placed in view of the crane or hoist and the runway conductors per NEC Section 61031(4). All panel and interconnecting wiring in accordance with NFPA NEC Article 610? It has specific requirements for disconnecting means for cranes and hoist. INTRODUCTION Every three years, the National Electrical Code® (NEC®) is revised and expanded. Register, April, 1964, No. NFPA 70, National Electric Code 2017. 610.32 ] 610.32 Disconnecting Means for Cranes and Monorail Hoists. Article 610: Cranes and Hoists; Article 620: Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts; . ACECO's Standard Hoist Catalog. A single hoist either lug, hook or base mounted in a fixed Article 610-Cranes and Hoists-of the 2005, 2008, and 2011 Editions contains provision 610.61, which requires, in part, that " [t]he trolley frame and bridge frame shall not be considered as electrically grounded through the bridge and trolley wheels and its respective tracks," and that " [a] separate bonding conductor shall be provided." "All exposed non-current-carrying metal parts of cranes, monorail hoists, hoists, and accessories, including pendant controls, shall be bonded either by mechanical connections or bonding jumpers, where applicable, so that the entire crane or hoist is a ground-fault current path as required or permitted by Article 250, (grounding) Parts V and VII. Fixed electric space heating equipment. 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