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ASTM F2677-08

(Specification)

Standard Specification for Electrically Insulating Aprons

Standard Specification for Electrically Insulating Aprons

ABSTRACT
This specification prescribes the function and performance criteria, and acceptance testing for electrically insulating aprons for the protection of workers from incidental contact with live electrical apparatus or circuits. Three types of aprons are provided and are designated as follows: Type I, made from properly vulcanized high-grade cis-1,4-polyisoprene rubber compound of natural or synthetic origin that are non-resistant to ozone; Type II, made of any elastomer or combination of elastomeric compounds that are resistant to ozone; and Type III, made of any combination of elastomer and thermoplastic polymers that are elastic in nature and resistant to ozone. Six classes of insulating aprons, designated as Class 00, 0, 1, 2, 3, and 4, are assigned according to electrical characteristics. Aprons shall be tested for their conformance with specified chemical, physical, and electrical requirements.
SCOPE
1.1 This specification covers the acceptance testing of electrically insulating aprons for the protection of workers from incidental contact with live electrical apparatus or circuits.
1.2 The objective of this specification is to prescribe function and performance criteria for insulating aprons that meet a minimum level of electrically insulating and physical performance characteristics.
1.3 Three types of aprons are provided and are designated as Type I, non-resistant to ozone, Type II and Type III, resistant to ozone.
1.4 Six classes of insulating aprons, differing in electrical characteristics, are provided and are designated as Class 00, Class 0, Class 1, Class 2, Class 3, and Class 4.

General Information

Status
Historical
Publication Date
31-Jan-2008
ICS
13.260 - Protection against electric shock. Live working
Technical Committee
F18 - Electrical Protective Equipment for Workers
Drafting Committee
F18.15 - Worker Personal Equipment
Current Stage
Ref Project

Relations

Replaced By
ASTM F2677-08a - Standard Specification for Electrically Insulating Aprons
Effective Date
01-Oct-2008

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ASTM F2677-08 - Standard Specification for Electrically Insulating ApronsASTM F2677-08 - Standard Specification for Electrically Insulating Aprons
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ASTM F2677-08 - Standard Specification for Electrically Insulating Aprons
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: F 2677 – 08a
Standard Specification for
Electrically Insulating Aprons
This standard is issued under the fixed designation F 2677; 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 3.1.3 For definitions of other terms, refer to Terminology
F 819.
1.1 This specification covers the acceptance testing of
electrically insulating aprons for the protection of workers
4. Significance and Use
from incidental contact with live electrical apparatus or cir-
4.1 This specification covers the minimum electrical,
cuits.
chemical and physical properties, and design characteristics for
1.2 The objective of this specification is to prescribe func-
insulating aprons and the procedures by which properties are to
tion and performance criteria for insulating aprons that meet a
be determined. The purchaser may as his/her option, perform
minimum level of electrically insulating and physical perfor-
or have performed any of these tests in order to verify any
mance characteristics.
manufacturerclaim.Claimsforfailuretomeetthespecification
1.3 Threetypesofapronsareprovidedandaredesignatedas
are subject to verification by the manufacturer.
Type I, non-resistant to ozone,Type II andType III, resistant to
4.2 The insulating materials used in aprons in this specifi-
ozone.
cation are designed for personal protection; therefore, when
1.4 Six classes of insulating aprons, differing in electrical
authorizing its use a margin of safety shall be allowed between
characteristics, are provided and are designated as Class 00,
the maximum voltage at which it is used and the proof-test
Class 0, Class 1, Class 2, Class 3, and Class 4.
voltage at which it is tested. The relationship between proof-
2. Referenced Documents test and the maximum voltage at which materials shall be used
is shown in Table 1.
2.1 ASTM Standards:
4.3 Work practices vary from user to user, depending upon
D 1048 Specification for Rubber Insulating Blankets
many factors.These factors may include, but are not limited to,
F 819 Terminology Relating to Electrical Protective Equip-
operating system voltages, design, work procedures and tech-
ment for Workers
niques, weather conditions, etc. Therefore, except for the
F 1742 Specification for PVC Insulating Sheeting
restrictions set forth in this specification because of design
F 2320 Specification for Rubber Insulating Sheeting
limitations, the use and maintenance of the equipment is
3. Terminology
beyond the scope of this specification.
4.4 It is common practice and the responsibility of the user
3.1 Definitions:
of this type of protective equipment to prepare complete
3.1.1 exposed area—the area of the electrically insulating
instructions and regulations to govern the correct and safe use
apron that does not contain any stitching or fasteners.
of such equipment.
3.1.2 exposure zone—the area on the front of the
electrically-insulated apron 1 in. from the fasteners and stitch-
5. Classification
ing or borders.
5.1 Insulating aprons covered under this specification shall
be designated as Type I, Type II or Type III; and as Class 00,
Class 0, Class 1, Class 2, Class 3, or Class 4.
This specification is under the jurisdiction of ASTM Committee F18 on
5.1.1 Type I,non-resistanttoozone,madefromahigh-grade
Electrical Protective Equipment for Workers and is the direct responsibility of
cis-1,4-polyisoprene rubber compound of natural or synthetic
Subcommittee F18.15 on Worker Personal Equipment.
origin, properly vulcanized.
Current edition approved Oct. 1, 2008. Published November 2008. Originally
approved in 2008. Last previous edition approved in 2008 as F 2677 - 08.
5.1.2 Type II, ozone-resistant, made of any elastomer or
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
combination of elastomeric compounds.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
5.1.3 Type III, ozone-resistant, made of any combination of
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. elastomer and thermoplastic polymers, elastic in nature.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F 2677 – 08a
TABLE 1 Voltage Requirements
10.2 The material used to construct the insulating apron
Class Maximum shall be proof tested in accordance with the appropriate
AC Retest Maximum DC Use DC Retest
Designation Use Voltage
standard above prior to manufacturing.
Voltage, rms, V Voltage rms, V Voltage, avg, V
of Apron rms, V
00 500 2500 750 10 000
11. Workmanship and Finish
0 1000 5000 1500 20 000
1 7500 10 000 11 250 40 000
11.1 Aprons shall be free on both the inner and outer
2 17 500 20 000 25 500 50 000
surfaces of harmful physical irregularities that can be detected
3 26 500 30 000 39 750 60 000
4 36 000 40 000 54 000 70 000 by thorough test and inspection.
11.1.1 Harmfulphysicalirreg
...

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SCOPE
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SCOPE
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This performance specification covers the design characteristics and associated test methods that relate specifically to the flame resistance of textile materials used in the fabrication of basic protection level occupational apparel worn by electrical workers who are exposed to momentary electric arc and related thermal hazards such as exposure to open flame and radiant heat. When evaluated in accordance with the test procedures enlisted herein, knit fabrics and woven fabrics of different fabric weights shall conform to individually specified values of the following properties: colorfastness such as laundering shade change, dry-cleaning shade change, and dimensional change; initial flammability characteristics and flammability characteristics after 25 washes/dry-cleaning such as char length and afterflame time; and arc test rating. Knit fabrics shall additionally be tested and adhere accordingly to bursting strength characteristics. Conversely, woven fabrics shall also be tested and adhere accordingly to breaking load, tear resistance, and seam slippage characteristics.
SCOPE
1.1 This performance specification identifies minimum performance requirements to determine the (a) arc rating of fabrics, (b) flame resistance of fabrics and subassemblies, (c) mechanical durability of the fabrics and subassemblies, (d) the minimum garment construction and performance requirements, and (e) the garment labeling requirements for the completed protective clothing worn by workers exposed to flames and electric arcs.  
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1.1.2.1 The end user risk assessments are outside the scope of this standard.  
1.2 This performance specification does not address coated or laminated protective clothing commonly used for rainwear applications in an arc hazard environment. Performance requirements related to this category of protective clothing are detailed in Specification F1891.  
1.3 This performance specification does not address hand protection. Performance and test requirements related to hand protection are detailed in OSHA 1910.138, Specification D120, and Test Method F2675/F2675M.  
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1.6 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.  
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This specification covers manufacturing and testing of rubber insulating gloves for protection of workers from electrical shock. Two types of gloves are provided and are designated as Type I, non-resistant to ozone, and Type II, resistant to ozone. Six classes of gloves, differing in electrical characteristics, are provided and are designated as Class 00, Class 0, Class 1, Class 2, Class 3, and Class 4. The following tests shall be performed: ac proof test; ac breakdown test; ac moisture absorption/proof test; dc proof test; dc breakdown test; ozone resistance test; chemical tests; tensile strength; tear resistance test; and puncture resistance test.
SCOPE
1.1 This specification covers manufacturing and testing of rubber insulating gloves for protection of workers from electrical shock.  
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