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ASTM F968-93(2002)e1

Current Revision

Standard Specification for Electrically Insulating Plastic Guard Equipment for Protection of Workers (Withdrawn 2008)

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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.


This specification covers electrically insulating plastic guard equipment and guard systems for temporary insulation on electric power circuits. Typical plastic guard equipments include, but are not limited to, line guards, line guard connectors, insulator covers, dead end covers, bus guards, bus T guards, pole guards, ridge pin covers, switch-blade covers, arm guards, cutout covers, and cross arm guard. Materials for guards shall conform to the specified impact strength, water absorption, dielectric strength, flame retardancy, dimensions, workmanship, finish, appearance, marking, and packaging.


SDO ASTM: ASTM International
Document Number F968
Publication Date Jan. 15, 1993
Language en - English
Page Count 5
Revision Level 93(2002)e1
Supercedes
Committee F18.25
Publish Date Document Id Type View
Jan. 15, 1993 F0968-93R02E01 Revision
Sept. 10, 1998 F0968-93R98 Reaffirmation
Jan. 15, 1993 F0968-93R02 Reaffirmation