ASTM_F_819_-_10_2015.pdf

Designation:F81910(Reapproved 2015)Standard TerminologyRelating to Electrical Protective Equipment for Workers1This standard is issued under the fixed designation F819;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.1.Referenced Documents1.1 ASTM Standards:2F712 Test Methods and Specifications for Electrically Insu-lating Plastic Guard Equipment for Protection of WorkersF1116 Test Method for Determining Dielectric Strength ofDielectric FootwearF1117 Specification for Dielectric Footwear2.Terminologyafterflame time,nthe length of time in seconds for which amaterial continues to flame after the ignition source has beenremoved.DISCUSSIONIn arc testing,the length of time for which a specimencontinues to exhibit a visible flaming as determined by a time displayvideo recording of the specimen during arc testingarc duration,ntime duration of the arc(s).arc energy(vi dt),nsum of the instantaneous arc voltagevalues multiplied by the instantaneous arc current valuesmultiplied by the incremental time values during the arc,(J).arc gapdistance between the arc electrodes(inch).Arc thermal performance value(ATPV),nin arc testing,the incident energy on a fabric or material that results in a50%probability that sufficient heat transfer through thetested specimen is predicted to cause the onset of a second-degree skin burn injury based on the Stoll curve.arc voltage,nvoltage across the gap caused by the currentflowing through the resistance created by the arc gap,V.asymmetrical arc current,nthe total arc current producedduring closure;it includes a direct component and a sym-metrical component,A.blanket roll-upa container made from fabric or similarmaterial and specifically designed to protect the blanket fromdamage during storage or transportation.blowout,nthe extinguishing of the arc caused by a magneticfield.breakdown,electricalthe electrical discharge or arc occur-ring between the electrodes and through the equipment beingtested.bulk storagethe storage of hose or covers together with oneor more layers piled neatly,but without the benefit ofspacers,supports,or special protective containers.charring,nthe formation of carbonaceous residue as theresult of pyrolysis or incomplete combustion.closure,npoint on supply current wave form where arc isinitiated.color splasha splash,smear,or streak of contrasting colorevident on the inside or outside surface of the gloves orsleeves that was deposited during the dipping operation andis vulcanized into the material as part of the patiblenot injurious to or changing the physical orelectrical characteristics of the blankets or affecting theirapplication,use,or acceptability.coveran electrically insulated enclosure designed to beinstalled temporarily on various types of irregularly shapedelectrical equipment to protect personnel and equipmentworking in close proximity.designated personan individual who is qualified by expe-rience or training to perform an assigned task.distortedphysically changed from the natural and originalshape,caused by stress of any type.electrical testing facilitya location with qualified personnel,testing equipment,and procedures for the inspection andelectrical testing of electrical insulating protective equip-ment.electrodethe energized or grounded conductor portion ofelectrical test equipment which is placed near or in contactwith the material or equipment being tested.1These definitions are under the jurisdiction of ASTM Committee F18 onElectrical Protective Equipment for Workers and are the direct responsibility ofSubcommittee F18.60 on Terminology.Current edition approved April 1,2015.Published May 2015.Originallyapproved in 1995.Last previous edition approved in 2010 as F819-0.DOI:10.1520/F0819-10R15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 electrode clearancethe shortest path from the energizedelectrode to the ground electrode.embrittlement,nthe formation of a brittle residue as theresult of pyrolysis or incomplete combustion.flashoverthe electrical discharge or arc occurring betweenelectrodes and over or around,but not through,the equip-ment being tested.foot portionthe portion of the footwear below the wearersankle bone.FRP insulating tubes and rodsfiberglass reinforced plastic(FRP)products manufactured so that the tubes and rodsproduced will meet the electrical and mechanical require-ments in the standard.gauntletthe area of a glove between the wrist and thereinforced edge of the opening.halogenation treatmentexposure o