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Msha ground continuity testing | Electrician Talk

Oct 08, 2017· This is for checking the equipment ground path from the motor frame to the ground plate at the generator. Msha states that this reading has to be below 1 ohm. We are winding up with negative readings on the flukes, which makes no sense since we start off with around .7 ohms in the 500' 12awg test wire. L.

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FactSheet

for the safe use of portable or mobile equipment with internal combustion engines. Control Measures to Reduce Risk • Ensure that materials and equipment are stored and used in accord with OSHA standards such as: o 29 CFR 1910.106 or 29 CFR 1926.152, Flammable liquids; o 29 CFR 1910.107, Spray finishing using flammable and combustible materials;

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FEDERAL MINE SAFETY AND HEALTH REVIEW COMMISSION

MSHA Inspector James King went to Hibbing management personnel on February 1, 1994, to inform them that MSHA intended to begin examining mine records to determine whether grounding conductors in trailing cables, power cables, and cords that supply power to tools and portable or mobile equipment had been tested annually as required by section 56 ...

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1926.962 - Grounding for the protection of employees ...

General. For any employee to work transmission and distribution lines or equipment as deenergized, the employer shall ensure that the lines or equipment are deenergized under the provisions of § 1926.961 and shall ensure proper grounding of the lines or equipment as specified in paragraphs (c) through (h) of this section.

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MSHA - Program Policy Manual - Volume V-TABLE OF CONTENTS

Grounding: 75.701: Grounding Metallic Frames, Casings, and Other Enclosures of Electric Equipment 75.702: Protection Other Than Grounding 75.703: Grounding Off-Track Direct-Current Machines and Enclosures of Related Detached Components 75.703-3

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Portable Grounding Equipment - Occupational Safety and ...

Portable grounding cables and clamps must be able to carry and withstand the maximum fault current available for the time needed for an overcurrent device to trip. The amount of available fault current needs to be determined; depending on the amount, two or more leads in parallel may need to be installed.

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testing of equipment ground circuit | Mike Holt's Forum

Jul 25, 2010· What is the ideal testing equipment and procedure to test the resistance of the equipment grounding circuit, from equipment back to the electrical service or to sub-panels located throughout an manufacturing plant. The plant is a damp location due to it's process being to cut and shape stone (a lot of wet saws).

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ELECTRICAL SAFETY HAZARDS HANDBOOK

conductor, the ground, or a human body. For example, at a given voltage, the higher the resistance is the lower the current will be. The lower the resistance is, the higher the current will be. Materials that have very low resistance such as metals like copper and aluminum are termed conductors, while non-metallic

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Grounding Requirements for Portable Generators – JADE …

Jul 17, 2018· The principal function of the system ground, or grounding electrode, (ground rod), is lightning protection for equipment (NEC Article 250.4). Adding a ground rod to a portable generator introduces a shock hazard as can be seen in the illustration. OSHA Grounding Requirements for portable and vehicle-mounted generators state the following:

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Electrical Grounding In Mining Applications

In Parts 55, 56 and 57, section 12-25 requires frame grounding of all electrical equipment. Section 12-26 requires grounding of substation enclosures. Frame grounding of portable equipment is required by 12-27 and 12-28 requires testing of all the grounding components at a mine. U.S. Department of Labor Mine Safety and Health Administration

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Electrical Safety Authority Grounding - OSWCA

Apr 20, 2016· the Electrical Safety Authority (ESA) regarding the grounding of portable generators. According to the attached Bulletin, the frame of a portable generator need not be grounded (connected to earth) and may serve as the ground (in place of the earth, rather than connect to a grounding electrode system) if the following two criteria are met: 1.

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Navigating this Presentation - Mine Safety and Health ...

MSHA's Metal and Nonmetal enforcement personnel. ... structures or equipment 2. Portable ladders – not fixed (extension, step) ... is placed so far from the edge of the excavation tha൴ persons had to stretch or jump between the ladder and solid ground, risking a fall to the bottom of the excavation.䤀 ...

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Grounding Requirements for Portable Generators

Bonding Versus Grounding Bonding and grounding are separate require-ments for generators and other electrical dis-tribution systems. Grounding means the con-nection, or the establishment of a connec-tion, of an electric circuit or equipment to ref-erence ground, which includes the genera-tor's frame. Bonding is the intentional con-

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Bonding and Grounding - MRO Products, Equipment and Tools

Apr 28, 2001· Bonding and Grounding. 4/28/01. Quick Tips #255.1. The process of bonding and grounding can be defined as providing an electrically conductive pathway between a dispensing container, a receiving container and an earth ground. This pathway helps eliminate the buildup of static electricity by allowing it to safely dissipate into the ground.

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Personal Protective Grounding for Electric Power ...

equipment to earth or other conductive medium (grounding system) that substitutes for earth, e.g. station ground mat conductors. Grounded worksite. A work area that is made an equipotential safe working zone by the application of personal protective grounds. Personal protective grounding (grounds). Cable connected to de-energized lines

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msha continuity testing | Mike Holt's Forum

Oct 06, 2009· mcclary's electrical said: I've never worked anywhere that was msha regulated, so I hope I don't break some rule I don't know about, but I would LO/TO circuit. Determ one phase wire, and ground wire at motor control center. Then determ the same phase wire and ground wire at motor and tie them together. Go back and check continuity at the MCC end.

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Electrical Code Rules for Portable & Temporary Electrical ...

Equipment grounding conductors must be installed with all feeders and branch circuits. Exposed metal parts of electrical equipment must be bonded, and if cord connected, the cord must have an equipment grounding conductor and grounding type attachment plug. Equipment that is listed and labeled as double insulated is permitted.

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Regulations | Mine Safety and Health Administration (MSHA)

MSHA is responsible for enforcing the Federal Mine Safety and Health Act of 1977 (Mine Act) as amended by the MINER Act of 2006. The Mine Act gives the Secretary of Labor authority to develop, promulgate, and revise health or safety standards for the protection of life and prevention of injuries in the nation's mines.

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Equipment Approval & Certification | Mine Safety and ...

Equipment Approval & Certification. Federal regulations require the approval or certification of certain mining products for use in underground coal and gassy underground metal mines. Technical experts from MSHA's Approval and Certification Center (A&CC) evaluate and test equipment, instruments, and materials for compliance.

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ARTICLE 250 Grounding and Bonding - Mike Holt

the equipment grounding conductor [259.118], MBJ rep-resents the main bonding jumper, SNC represents the service neutral conductor (grounded service conductor), GEC represents the grounding electrode conductor. Figure : 250–2 Figure 250–3 Figure 250–4:

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Grounding Equipment | Honeywell

Having high-quality grounding equipment is crucial for protecting workers from electric shocks and equipment from being damaged. Therefore, Honeywell has engineered most innovative grounding devices, offering high-level security, lightweight, flexibility, ease-of use and durability. Choose the equipment that best suits your needs, from ...

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Checklist: Overview of Regulations either Frequently ...

If an MSHA inspector comes to your property for an inspection, the following is a ... equipment for fighting fires that could endanger persons including:(1) ... Portable extension lights, and other lights that by their location present a shock or burn hazard must be guarded. 56.12025 - Grounding - All metal enclosing or encasing electrical ...

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Electrical - Hazard Recognition | Occupational Safety and ...

Use ground-fault circuit interrupters (GFCI)s on all 120-volt, single-phase, 15- and 20-ampere receptacles, or have an assured equipment grounding conductor program (AEGCP). Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. Use double-insulated tools and equipment, distinctively marked.

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Grounding of Portable and Vehicle Mounted Welding …

Proper grounding and bonding of portable and vehicle mounted welding generators that also supply 115 or 230 volts AC auxiliary power is an on-going topic among ... equipment Owner's Manual for grounding instructions). When ANY of these conditions are met, grounding is …

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Electrical - Safety Training PowerPoint Presentations

Testing Grounding Systems The intent of 56/57.12028 is to ensure that continuity and resistance tests of grounding systems are conducted on a specific schedule. Online Electrical Quizzes. PA Mine Law Section 300 (1) PA Mine Law Section 300 (2) PA Mine Law Section 300 (3) PA Mine Law Section 300 (4) AC Theory and Application; DC Theory and ...

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Type G or G-GC - National Cable Specialists

Product Info: 600-2000 volt flexible portable cable with bare grounds and bare or insulated ground check. Designed for use in mobile mining equipment, lifting magnets, conveyors, drills and pumps, as portable power and temporary power supply where equipment grounding is required. Approvals: UL, MSHA, CSA, RoHS Compliant

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Guidelines for Ground Monitor Waiver - West ia

II. PORTABLE AND MOBILE THREE-PHASE EQUIPMENT -- All three-phase circuits extending to low, medium, and high-voltage portable and mobile equipment shall be provided with a ground-check circuit for the grounding conductor pursuant to Chapter 22A, Article 2, Section 40, Subsections (61) and (73). III. STATIONARY THREE-PHASE EQUIPMENT –

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30 CFR § 75.703-3 - Approved methods of grounding offtrack ...

In grounding offtrack direct-current machines and the enclosures of their component parts, the following methods of grounding will meet the requirements of § 75.703: (a) The use of a separate grounding conductor located within the trailing cable of mobile and portable equipment and connected between such equipment and the direct-current grounding medium;

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MSHA - Program Policy Manual - Volume V; 77.501 through 77 ...

Approved methods of grounding the metallic enclosures of electric equipment powered from direct-current power systems are contained in Section 77.701-2. Subpart H does not specify approved methods of grounding the metallic enclosures of stationary equipment receiving power from low- and medium-voltage, solidly grounded alternating-current systems.

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01360.15T.01 (GENERAL) PDF 01360.15T.01 …

01360.15T.01 PDF 01360.15T.01 Rubber Cord Cord & Cordset Carolprene® Jacketed Type SJOOW 90ºC 300 Volt UL /CSA Portable Cord Product Construction: Conductors: • 18 through 10 AWG fully annealed stranded bare copper per ASTM B-174 Insulation: • Premium-grade, color-coded 90ºC EPDM • Color code: See chart below …

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Fueling Operations & Static Electricity

All dispensing equipment including pumps, hoses and nozzles must be Underwriters Laboratories (UL) listed for the intended usage. This UL listing ensures that the hose and nozzle are designed to provide a continuous bond from the equipment to the tank being filled, which allows static electricity to flow to ground.

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Cord Industrial Cord Super Vu-Tron Type G and Type G-GC …

123049 MSHA Applications: • Industrial and light to medium duty mining applications • Heavy duty service as power supply cable • Mobile and portable electrical equipment • 2 Conductor - use with single phase AC systems where grounding is required • 3 and 4 Conductor - use on three phase AC systems where grounding is required Features:

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30 CFR § 75.901 - Protection of low- and medium-voltage ...

(9) The grounding system must include an MSHA-accepted ground wire monitor system that satisfies the requirements of § 75.902; or have a No. 1/0 or larger external grounding conductor to bond and ground the frames of all equipment to the frame of the generator.

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