ASTM F1742-03

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Designation: F 1742 – 03
Standard Specification for
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PVC Insulating Sheeting
This standard is issued under the fixed designation F 1742; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.1 voltage, maximum use—the ac voltage (rms) classifi-
cation of the protective equipment that designates the maxi-
1.1 This specification covers acceptance testing of Poly
mum nominal design voltage of the energized system that may
Vinyl Chloride insulating sheeting for use as a covering for
be safely worked. The nominal design voltage is equal to
protection of workers.
phase-to-phase voltage on multiphase circuits.
1.2 The following safety hazards caveat applies only to the
3.1.1.1 Discussion—If there is no multiphase exposure in a
test method portion, Sections 17-19, of this specification: This
system area, and the voltage exposure is limited to phase
standard does not purport to address all of the safety concerns,
(polarity on dc systems) to ground potential, the phase (polarity
if any, associated with its use. It is the responsibility of the user
on dc systems) to ground potential shall be considered to be the
of this standard to establish appropriate safety and health
nominal design voltage.
practices and determine the applicability of regulatory limita-
3.1.2 Discusssion—If electrical equipment and devices are
tions prior to use. See 18.1 for a specific warning statement.
insulated, or isolated, or both, such that the multiphase expo-
2. Referenced Documents sure on a grounded wye circuit is removed, then the nominal
design voltage may be considered as the phase-to-ground
2.1 ASTM Standards:
voltage on that circuit.
D 149 Test Method for Dielectric Breakdown Voltage and
3.1.3 voltage, nominal design—a nominal value consistent
Dielectric Strength of Solid Electrical Insulating Materials
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with the latest revision of ANSI C84.1, assigned to the circuit
at Commercial Power Frequencies
or system for the purpose of conveniently designating its
D 412 Test Methods for Vulcanized Rubber and Thermo-
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voltage class.
plastic Rubbers and Thermoplastic Elastomers— Tension
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D 570 Test Method for Water Absorption of Plastics
4. Significance and Use
D 747 Test Method for Apparent Bending Modulus of
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4.1 This specification covers the minimum electrical and
Plastics by Means of a Cantilever Beam
physical properties guaranteed by the manufacturer and the
D 1004 Test Method for Initial Tear Resistance of Plastic
detailed procedures by which such properties are to be deter-
Film and Sheeting
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mined. The purchaser may at his option perform or have
D 1048 Specification for Rubber Insulating Blankets
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performed any of these tests in order to verify the guarantee.
D 1746 Test Method for Transparency of Plastic Sheeting
Claims for failure to meet the specification are subject to
D 2240 Test Method for Rubber Property—Durometer
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verification by the manufacturer.
Hardness
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2.2 American National Standard:
NOTE 1—This material is intended for a single use application.
ANSI C84.1 Voltage Ratings for Electric Power Systems
4.2 The safe and proper field use of PVC sheeting is beyond
and Equipment (60 Hz)
the scope of this specification.
4.2.1 When authorizing use of PVC sheeting for personal
3. Terminology
protection, a margin of safety should be allowed between the
3.1 Definitions:
maximum voltage at which it is used and the proof-test voltage
at which it is tested. The relationship between proof-test and
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the maximum voltage at which sheeting shall be used is shown
This specification is under the jurisdiction of ASTM Committee F18 on
Electrical Protective Equipment for Workers and is the direct responsibility of
in Table 1.
Subcommittee F18.25 on Insulating Cover-Up Equipment.
Current edition approved Sept. 10, 2003. Published November 2003. Originally
5. Classification
approved in 1996. Last previous edition approved in 1996 as F 1742–96 (2000)
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5.1 PVC insulating sheeting covered under this specification
Annual Book of ASTM Standards, Vol 10.01.
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Annual Book of ASTM Standards, Vol 09.01.
shall be designated as Class 0 or Class 1.
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Annual Book of ASTM Standards, Vol 08.01.
5.1.1 The class designation shall be based on the electrical
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Annual Book of ASTM Standards, Vol 10.03.
6 properties as shown in Table 2 or Table 3.
Available from American National Standards Institute, 11 West 42nd St., 13th
Floor, New York, NY 10036.
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F 1742 – 03
TABLE 1 Proof Test/Use V
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