ASTM F2939-13

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Designation:F2939 −13
Standard Specification for
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High Voltage Phasing Testers
This standard is issued under the fixed designation F2939; 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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1. Scope 2.2 Other Standards:
ANSI C84.1 Electric Power Systems and Equipment—
1.1 This specification covers portable, live-line tool-
Voltage Ranges
supported two-pole phasing testers to be used onAC electrical
systems.
3. Terminology
1.2 Two types of phasing testers are provided and are
3.1 Definitions:
designated as Type I Resistive and Type II Capacitive.
3.1.1 clear indication, n—a specific condition that detects
and indicates the presence or absence of the correct voltage, or
1.3 Two styles of phasing testers are provided and are
phase relationship, or both, between two energized parts.
designated as Style A Numerical and Style B Audible/Visual.
3.1.2 contact electrode, n—the bare conductive part of the
1.4 The use and maintenance of these high voltage phasing
conductive element that establishes the electrical connection to
testers and any necessary insulated tool handles are beyond the
the component to be tested.
scope of this specification.
3.1.3 indicator, n—part of the phasing tester that indicates
1.5 The values stated in inch-pound units are to be regarded
the presence or absence of the correct voltage, or phase
as standard. The values given in parentheses are mathematical
relationship, or both, between two energized parts.
conversions to SI units that are provided for information only
3.1.4 indication, n—visible, audible, or numeric indication
and are not considered standard.
of which clearly indicates the presence of nominal operating
voltage within the specified voltage range.
1.6 This standard does not purport to address all of the
3.1.4.1 Discussion—Noise and light indications shall be
safety concerns, if any, associated with its use. It is the
clearly detectable under the conditions outlined as follows:
responsibility of the user of this standard to establish appro-
(See Specification F1796, sections 10.3.13 and 10.3.14). Ac-
priate safety and health practices and determine the applica-
ceptable Audible Indication – The audible test should be
bility of regulatory limitations prior to use.
performedinanenvironmentwherebackgroundnoisedoesnot
NOTE 1—Except where specified, all voltage defined in this specifica-
exceed 60 dBA. Acceptable Visual Indication – The Style B
tion refers to phase-to-phase voltage in a three-phase system. Phasing
visual tests should be conducted in an environment with
Testerscoveredbythisspecificationmaybeusedinotherthanthree-phase
ambient light conditions ranging from 0 to 18 000 fc.
systems, but the applicable phase-to-phase or phase-to-ground (earth)
voltages shall be used to determine the operating voltage.
3.1.5 insertion limit, n—distinctive location to indicate to
the user the physical limit to which the phasing device may be
2. Referenced Documents
inserted between energized/grounded parts, as specified by the
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manufacturer.
2.1 ASTM Standards:
F1796 Specification for High Voltage Detectors—Part 1
3.1.6 interference field, n—electrical field capable of affect-
Capacitive Type to be Used for Voltages Exceeding 600 ing the indication. It may result from the part to be tested or
Volts AC other adjacent parts.
3.1.7 interference ground, n—ground potential capable of
affecting the indication. It may result from the part to be tested
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or other adjacent parts.
This test method is under the jurisdiction of ASTM Committee F18 on
Electrical Protective Equipment for Workers and is the direct responsibility of
3.1.8 phasing tester, n—portable device used to detect and
Subcommittee F18.35 on Tools & Equipment.
indicate the presence or absence of the correct voltage, or
Current edition approved Sept. 1, 2013. Published October 2013. DOI: 10.1520/
F2939-13
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
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F2939−13
phase relationship, or both, between two energized parts at the 5.4 Style B, Audible/Visual—The presence of voltage or
same nominal voltage and frequency. phase relationship is indicated by
...