ASTM F819-05
(Terminology)Standard Terminology Relating to Electrical Protective Equipment for Workers
Standard Terminology Relating to Electrical Protective Equipment for Workers
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Designation:F 819–05
Standard Terminology
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Relating to Electrical Protective Equipment for Workers
This standard is issued under the fixed designation F 819; 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. Referenced Documents bulk storage—the storage of hose or covers together with one
or more layers piled neatly, but without the benefit of
1.1 ASTM Standards:
spacers, supports, or special protective containers.
F 1116 Test Method for Determining Dielectric Strength of
charring, n—the formation of carbonaceous residue as the
Dielectric Footwear
result of pyrolysis or incomplete combustion.
F 1117 Specification for Dielectric Footwear
closure, n—point on supply current wave form where arc is
2. Terminology
initiated.
color splash—a splash, smear, or streak of contrasting color
afterflame time, n—the length of time in seconds for which a
evident on the inside or outside surface of the gloves or
material continues to flame after the ignition source has been
sleeves that was deposited during the dipping operation and
removed.
is vulcanized into the material as part of the homogenous
DISCUSSION—In arc testing, the length of time for which a specimen
compound.
continues to exhibit a visible flaming as determined by a time display
compatible—not injurious to or changing the physical or
video recording of the specimen during arc testing
electrical characteristics of the blankets or affecting their
application, use, or acceptability.
arc duration, n—time duration of the arc(s).
cover—an electrically insulated enclosure designed to be
arc energy (vi dt), n—sum of the instantaneous arc voltage
installed temporarily on various types of irregularly shaped
values multiplied by the instantaneous arc current values
electrical equipment to protect personnel and equipment
multiplied by the incremental time values during the arc, (J).
working in close proximity.
arc gap—distance between the arc electrodes (inch).
delta peak temperature,n—differencebetweenthemaximum
Arc thermal performance value (ATPV), n—in arc testing,
temperature and the initial temperature of the sensor during
the incident energy on a fabric or material that results in a
the test, °C.
50 % probability that sufficient heat transfer through the
designated person—an individual who is qualified by expe-
tested specimen is predicted to cause the onset of a second-
rience or training to perform an assigned task.
degree skin burn injury based on the Stoll curve.
distorted—physically changed from the natural and original
arc voltage, n—voltage across the gap caused by the current
shape, caused by stress of any type.
flowing through the resistance created by the arc gap, V.
electrical testing facility—a location with qualified personnel,
asymmetrical arc current, n—the total arc current produced
testing equipment, and procedures for the inspection and
during closure; it includes a direct component and a sym-
electrical testing of electrical insulating protective equip-
metrical component, A.
ment.
blanket roll-up—a container made from fabric or similar
electrode—the energized or grounded conductor portion of
materialandspecificallydesignedtoprotecttheblanketfrom
electrical test equipment which is placed near or in contact
damage during storage or transportation.
with the material or equipment being tested.
blowout, n—the extinguishing of the arc caused by a magnetic
electrode clearance—the shortest path from the energized
field.
electrode to the ground electrode.
breakdown, electrical—the electrical discharge or arc occur-
embrittlement, n—the formation of a brittle residue as the
ringbetweentheelectrodesandthroughtheequipmentbeing
result of pyrolysis or incomplete combustion.
tested.
flashover—the electrical discharge or arc occurring between
electrodes and over or around, but not through, the equip-
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These definitions are under the jurisdiction of ASTM Committee F18 on
ment being tested.
Electrical Protective Equipment for Workers and are the direct responsibility of
foot portion—the portion of the footwear below the wearer’s
Subcommittee F18.60 on Terminology.
ankle bone.
Current edition approved Jan. 1, 2005. Published February 2005. Originally
approved in 1995. Last previous edition approved in 2004 as F 819-04a.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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F819–05
FRP insulating tubes and rods—fiberglass reinforced plastic cause of physical inspection.
(FRP) products manufactured so that the tubes and rods rubber—agenericterm
...
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