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Comprehensive Overview of OSHA 1910.137 Design and Use of Electrical Protective Equipment

This document outlines the design requirements and operational standards for electrical protective equipment per OSHA 1910.137. It covers essential aspects like class and type classifications, including Class 4 equipment rated to handle up to 40,000 volts and Type II materials for rubber insulating gear. The in-service care procedures emphasize inspection protocols for signs of damage, including holes, cuts, and ozone effects. Additionally, it details air testing intervals for rubber gloves and guidelines for proper storage and handling of insulating equipment.

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Comprehensive Overview of OSHA 1910.137 Design and Use of Electrical Protective Equipment

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  1. 1910.137: Electrical Protective Equipment Region IV - OSHA

  2. 1910.137(a):Design Requirements • Manufacture and Marking • Class of equipment (0, 1, 2, 3, or 4) • Type of equipment (I or II)

  3. Class Label • Class 4 - Designed to insulate up to 40,000 volts. • Type II - Is molded from man-made materials.

  4. Rubber Insulating Matting

  5. Rubber Insulating Blanket

  6. Blanket Clamps

  7. Rubber insulating sleeves

  8. Rubber insulating sleeves • Identification markings

  9. Rubber insulating sleeves • Test markings

  10. Rubber Insulating GloveTest Sticker

  11. Rubber insulating gloves • Identification markings

  12. 1910.137(b): In-service Care and Use • Maximum use voltage to conform to Table I-5. • Equipment damage inspection: • No holes, tears, cuts, or punctures; no ozone cutting or checking; no embedded foreign objects; no swelling, softening, hardening, etc.

  13. Ozone Damage • Severe ozone damage caused by stretching over top of primary

  14. Ozone Damage • Damage caused when gloves are kept in an inside-out position for a long period of time

  15. Cut in blanket • Sharp gaffs often cause crescent-shaped cuts in blankets

  16. 1910.137(b)(2)(ii):Air Testing of Rubber Gloves

  17. 1910.137(b)(2)(ii): Air Testing of Rubber Gloves

  18. 1910.137(b)(2)(viii): Rubber Insulating Equipment Test Intervals

  19. Glove Protector

  20. Leather Protector • Leather Protector glove worn without rubber gloves.

  21. Rubber Glove Storage

  22. Rubber Glove Liners

  23. Glove Dust

  24. Rubber Blanket Field Testing • Field testing of rubber blanket with cover gear & tools on tarp.

  25. Insulating Line Hoses

  26. Insulator Cover

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