ASTM F1742-03e1

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: F1742 – 03
Standard Specification for
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PVC Insulating Sheeting
This standard is issued under the fixed designation F1742; 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 (´) indicates an editorial change since the last revision or reapproval.
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´ NOTE—A precision and bias statement and Figure 1 were added editorially in August 2004.
1. Scope ANSI C84.1 Voltage Ratings for Electric Power Systems
and Equipment (60 Hz)
1.1 This specification covers acceptance testing of Poly
Vinyl Chloride insulating sheeting for use as a covering for
3. Terminology
protection of workers.
3.1 Definitions:
1.2 The following safety hazards caveat applies only to the
3.1.1 voltage, maximum use—the ac voltage (rms) classifi-
test method portion, Sections 17-19, of this specification: This
cation of the protective equipment that designates the maxi-
standard does not purport to address all of the safety concerns,
mum nominal design voltage of the energized system that may
if any, associated with its use. It is the responsibility of the user
be safely worked. The nominal design voltage is equal to
of this standard to establish appropriate safety and health
phase-to-phase voltage on multiphase circuits.
practices and determine the applicability of regulatory limita-
3.1.1.1 Discussion—If there is no multiphase exposure in a
tions prior to use. See 18.1 for a specific warning statement.
system area, and the voltage exposure is limited to phase
2. Referenced Documents (polarityondcsystems)togroundpotential,thephase(polarity
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ondcsystems)togroundpotentialshallbeconsideredtobethe
2.1 ASTM Standards:
nominal design voltage.
D149 Test Method for Dielectric Breakdown Voltage and
3.1.1.2 Discussion—If electrical equipment and devices are
Dielectric Strength of Solid Electrical Insulating Materials
insulated, or isolated, or both, such that the multiphase expo-
at Commercial Power Frequencies
sure on a grounded wye circuit is removed, then the nominal
D412 Test Methods for Vulcanized Rubber and Thermo-
design voltage may be considered as the phase-to-ground
plastic Elastomers—Tension
voltage on that circuit.
D570 Test Method for Water Absorption of Plastics
3.1.2 voltage, nominal design—a nominal value consistent
D747 Test Method for Apparent Bending Modulus of Plas-
with the latest revision of ANSI C84.1, assigned to the circuit
tics by Means of a Cantilever Beam
or system for the purpose of conveniently designating its
D1004 Test Method for Tear Resistance (Graves Tear) of
voltage class.
Plastic Film and Sheeting
D1048 Specification for Rubber Insulating Blankets
4. Significance and Use
D1746 Test Method for Transparency of Plastic Sheeting
4.1 This specification covers the minimum electrical and
D2240 Test Method for Rubber Property—Durometer
physical properties guaranteed by the manufacturer and the
Hardness
3 detailed procedures by which such properties are to be deter-
2.2 American National Standard:
mined. The purchaser may at his option perform or have
performed any of these tests in order to verify the guarantee.
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This specification is under the jurisdiction of ASTM Committee F18 on
Claims for failure to meet the specification are subject to
Electrical Protective Equipment for Workers and is the direct responsibility of
verification by the manufacturer.
Subcommittee F18.25 on Insulating Cover-Up Equipment.
Current edition approved Sept. 10, 2003. Published November 2003. Originally
NOTE 1—This material is intended for a single use application.
approvedin1996.Lastpreviouseditionapprovedin1996asF1742–96(2000)DOI:
10.1520/F1742-03E01. 4.2 The safe and proper field use of PVC sheeting is beyond
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
the scope of this specification.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
4.2.1 When authorizing use of PVC sheeting for personal
Standards volume information, refer to the standard’s Document Summary page on
protection, a margin of safety should be allowed between the
the ASTM website.
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Available from American National Standards Institute, 11 West 42nd St., 13th
maximum voltage at which it is used and the proof-test voltage
Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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F1742 – 03
TABLE 2 AC Voltage Requirements
at which it is tested. The relationship between proof-test and
the maximum voltage at which sheeting shall be used is shown Dielectric
Electrode Clearances
Proof Test
A Breakdown Test
Min
in Table 1.
Class Voltage
Voltage
rms V
mm i
...