ASTM D2220-21

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D2220 −21
Standard Specification for
Poly(Vinyl Chloride) Insulation for Wire and Cable, 75 °C
1
Operation
This standard is issued under the fixed designation D2220; 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.
1. Scope* D2633 Test Methods for Thermoplastic Insulations and
Jackets for Wire and Cable
1.1 This specification covers a thermoplastic insulation of
D8354 Test Method for Flammability of Electrical Insulat-
poly(vinyl chloride) or the copolymer of vinyl chloride and
ing Materials Used for Sleeving or Tubing
vinyl acetate.
G153 Practice for Operating Enclosed Carbon Arc Light
1.2 This insulation is recommended for use in power and
Apparatus for Exposure of Nonmetallic Materials
control circuits at temperatures not higher than 75 °C. At a
G155 Practice for Operating XenonArc LightApparatus for
thickness of 15 mils (0.38 mm), application is limited to
Exposure of Non-Metallic Materials
voltage ratings below 300 V, and to dry locations. At a
thickness of 30 mils, the application range is widened to dry or
3. Terminology
wet applications, and to a voltage rating of 600 V.
3.1 Definitions:
1.3 In many instances the insulation material cannot be
3.1.1 Fordefinitionsoftermsusedinthisspecification,refer
tested unless it has been formed around a conductor or cable.
to Terminology D1711.
Therefore, tests are done on insulated wire or cable in this
specification solely to determine the relevant property of the
4. Physical Properties
insulation material and not to test the conductor or completed
4.1 The insulation shall conform to the requirements for
cable.
physical properties prescribed in Table 1. In terms of this
1.4 The values stated in inch-pound units are to be regarded
specification, the act of aging is the response of materials to
as standard. The values given in parentheses are mathematical
their exposure to air or oil at a temperature and a time as
conversions to SI units that are provided for information only
specified in Table 1. The vertical flame test shall be conducted
and are not considered standard.
in accordance with Test Method D8354.
1.4.1 In come cases (including the title), temperatures are
described in degrees Celsius only.
5. Electrical Requirements
1.5 This international standard was developed in accor-
5.1 Perform the ac voltage, insulation resistance, and dc
dance with internationally recognized principles on standard-
voltage tests in that order when any of these tests are required.
ization established in the Decision on Principles for the
The sequence for other testing is not specified.
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
5.2 AC Voltage Test—Test the insulated conductor at the ac
Barriers to Trade (TBT) Committee.
withstand voltage as specified in Table 2. Unless otherwise
specified, omit this test if the dc withstand voltage test
2. Referenced Documents
described in 5.4 is performed.
2
2.1 ASTM Standards:
5.2.1 For cables or conditions of service where mechanical
D1711 Terminology Relating to Electrical Insulation
stresses govern, such as in submarine cables or long vertical
risers, it is possible that the minimum conductor sizes in Table
1
2 are not strong enough.
This specification is under the jurisdiction of ASTM Committee D09 on
Electrical and Electronic Insulating Materials and is the direct responsibility of
5.2.2 The thicknesses given in Table 2 apply to aerial cables
Subcommittee D09.07 on Electrical Insulating Materials.
andtosingleconductorsinstalledinconduitsabovegroundand
Current edition approved Jan. 1, 2021. Published February 2021. Originally
to the individual conductors of all multiple-conductor cables
approved in 1963. Last previous edition approved in 2017 as D2220 – 17. DOI:
10.1520/D2220-21.
having a common jacket metallic sheath or protective covering
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
over the assembly, except as shown in 5.2.2.1.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
5.2.2.1 For single-conductor cables for installation in under-
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. ground ducts or direct earth burial, add 15 mils (0.38 mm) to
*A Summary of Changes section appears at the end of this standard
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