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ASTM F968-93(1998)

Current Revision
Standard Specification for Electrically Insulating Plastic Guard Equipment for Protection of Workers
Best Price Guarantee Sep 10, 1998 English 4 Pages
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ASTM F968-93(1998)

1.1 This specification covers plastic guard equipment and guard systems used by workers for temporary insulation on electric power circuits.

1.2 Plastic guard equipment covered by this specification is rated for momentary, or brush contact only. Maximum-use voltages are covered in Annex A1.

1.3 Typical guards covered include, but are not limited to, the following:

  • 1.3.1 Conductor guards and connecting covers as follows:
    • 1.3.1.1 Line guards,
    • 1.3.1.2 Line guard connectors,
    • 1.3.1.3 Insulator covers,
    • 1.3.1.4 Dead end covers,
    • 1.3.1.5 Bus guards, and
    • 1.3.1.6 Bus "T" guards.
  • 1.3.2 Structure and apparatus covers as follows:
    • 1.3.2.1 Pole guards,
    • 1.3.2.2 Ridge pin covers,
    • 1.3.2.3 Switch-blade covers,
    • 1.3.2.4 Arm guards,
    • 1.3.2.5 Cutout covers, and
    • 1.3.2.6 Cross arm guard.

1.4 The values stated in inch-pound units are to be regarded as the standard.

1.1 This specification covers plastic guard equipment and guard systems used by workers for temporary insulation on electric power circuits.

1.2 Plastic guard equipment covered by this specification is rated for momentary, or brush contact only. Maximum-use voltages are covered in Annex A1.

1.3 Typical guards covered include, but are not limited to, the following:

  • 1.3.1 Conductor guards and connecting covers as follows:
    • 1.3.1.1 Line guards,
    • 1.3.1.2 Line guard connectors,
    • 1.3.1.3 Insulator covers,
    • 1.3.1.4 Dead end covers,
    • 1.3.1.5 Bus guards, and
    • 1.3.1.6 Bus "T" guards.
  • 1.3.2 Structure and apparatus covers as follows:
    • 1.3.2.1 Pole guards,
    • 1.3.2.2 Ridge pin covers,
    • 1.3.2.3 Switch-blade covers,
    • 1.3.2.4 Arm guards,
    • 1.3.2.5 Cutout covers, and
    • 1.3.2.6 Cross arm guard.

1.4 The values stated in inch-pound units are to be regarded as the standard.

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