Underground dating manual 97

ISSUE DATE: March 16, 2011 PROGRAM INFORMATION BULLETIN NO. STRICKLIN Administrator for Coal Mine Safety and Health SUBJECT: Reissue of P06-05 - Requirements of Testing High-Voltage Gloves This program information bulletin (PIB) summarizes and clarifies the requirements in Title 30 of the Code of Federal Regulations (30 C. R.) for testing high-voltage gloves used in the surface and underground coal mines. R., Part 75- Mandatory Safety Standards- Underground Coal Mines specifies, addresses among other requirements, the requirements to work on trolley wires and high-voltage lines.

This bulletin is also intended to promote consistent enforcement of these standards. Section 75.510 allows energized trolley wires to be repaired only by a person trained to perform electrical work and requires the mine operator to ensure that such person wears approved and tested insulated shoes and wireman's gloves.

Additionally, Section 75.705 prohibits working on energized high-voltage lines, except for high-voltage surface lines under the prescribed conditions specified in Sections 75.705-5 through 75.705-8.

One of these conditions is the requirement that the mine operator provides, tests, and maintains protective devices used in making such repairs.

George Candee Gale, a great-great-grandson of two of the founders, explains that "contrary to general belief, Knox was not named for either General Knox or the Scottish Presbyterian Knox, according to my father ...

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As Magic grew, the base sets were considered descendants of the original Limited Edition, and shaped the default setting and feel of Magic.MSHA however, recommends that these gloves be tested every six months, in accordance with The American Society for Testing and Materials (ASTM) ASTM F496-97, "Standard Specification for In-Service Care of Insulating Gloves and Sleeves." Section 75.818 requires that when energized high-voltage longwall cables have to be handled, insulated gloves, mitts, hooks, tongs, slings, aprons, or other personal protective equipment must be used. Sections 77.606 and 606-1 require that energized medium-and high-voltage trailing cables be handled only by persons wearing protective rubber gloves that are rated at 20,000 volts and tested once each month in accordance with Sections 77.704-6 through 77.704-8.If gloves are used, the standard requires that they be electrically tested every six months, in accordance with ASTM F496-97. Section 77.704 prohibits working on energized high-voltage lines, except when repairs are made by a qualified person in accordance with the procedures specified in Sections 77.704-1 through 77.704-11, and the protective devices are properly tested and maintained by the operator.Background We think of a battery today as a source of portable power, but it is no exaggeration to say that the battery is one of the most important inventions in the history of mankind.Volta's pile was at first a technical curiosity but this new electrochemical phenomenon very quickly opened the door to new branches of both physics and chemistry and a myriad of discoveries, inventions and applications.Knox College is a four-year coeducational private liberal arts college located in Galesburg, Illinois, United States.


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