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This specification covers the acceptance testing of insulating rubber sheeting that are used as a covering for the personal protection of workers from accidental contact with live electrical conductors, apparatus, or circuits. The sheeting shall be made from any elastomer or combination of elastomeric compounds of natural or synthetic origin. Two types of sheeting, differing in chemical and physical characteristics, are provided and are designated as: Type I, non-resistant to ozone; and Type II, resistant to ozone. Six classes of sheeting, designated as Classes 00, 0, 1, 2, 3, and 4, are assigned according to electrical protection characteristics. Styles of sheeting are designated in accordance to construction characteristics, namely: Style A, sheeting free of any reinforcements; and Style B, sheeting incorporated with reinforcement(s). When evaluated in accordance with the test procedures detailed herein, the sheeting shall adhere to the following property requirements: electrical properties such as phase-phase maximum use voltage, AC and DC proof-test voltages, AC and DC dielectric breakdown test voltages, and AC and DC clearances; and physical and chemical properties such as ozone resistance, moisture absorption, and oil resistance, tensile strength, tension set, elongation, drape stiffness, flex stiffness, bursting strength, low temperature resistance, tear resistance, resistance to accelerated heat aging, flame resistance, shore hardness, and puncture resistance.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers testing of rubber insulating sheeting for use as a covering for the protection of workers from accidental contact with live electrical conductors, apparatus, or circuits.
1.2 Two types of sheeting, differing in chemical and physical characteristics, are provided and are designated as Type I, non-resistant to ozone and Type II, resistant to ozone.
1.3 Six classes of sheeting, differing in electrical protection characteristics are provided and designated as Class 00, Class 0, Class 1, Class 2, Class 3, Class 4.
1.4 Two styles of sheeting, differing in construction characteristics, are provided and are designated as Style A and Style B.
1.5 The follow safety hazards caveat applies only to the test method portion, Sections 17-19, of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.
Note 1—Rubber Insulating Sheeting should remain flexible for use through normal temperature ranges.
Note 2—Rubber as used in this specification is a generic term that includes elastomers and elastomeric compounds, regardless of origin.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D149 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies
D412 Test Methods for Vulcanized Rubber and Thermoplastic Elastomers--Tension
D471 Test Method for Rubber Property--Effect of Liquids
D518 Test Method for Rubber Deterioration--Surface Cracking
D570 Test Method for Water Absorption of Plastics
D751 Test Methods for Coated Fabrics
D1048 Specification for Rubber Insulating Blankets
D1149 Test Methods for Rubber Deterioration--Cracking in an Ozone Controlled Environment
D1388 Test Method for Stiffness of Fabrics
D2136 Test Method for Coated Fabrics--Low-Temperature Bend Test
D2240 Test Method for Rubber Property--Durometer Hardness
Other StandardsANSIC84.1 Voltage Ratings for Electric Power Systems and Equipment (60 Hz) Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.
ICS Number Code 13.340.10 (Protective clothing)
UNSPSC Code 55121734(Sign sheeting material)