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Wire and Cable
| The following standards are used to specify the various types
of wire and cable used in passenger rail transit. Please note,
that these standards replace several obsolete standards.
In addition to the below standards, the American
Public Transit Association (APTA) has prepared Recommended
Practices for the construction of passenger rail vehicles:
- APTA RP-E-002 Recommended Practice
for Wiring of Passenger Equipment
- APTA RP-E-004 Recommended Practice
for Gap and Creepage Distance
- APTA RP-E-009 Recommended Practice
for Wire Used on Passenger Rolling Stock
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| Standard: |
ASTM B174 - Standard Specification
for Bunch-Stranded Copper Conductors for Electrical Conductors
| | Purpose: |
This specification covers bare bunch-stranded conductors made
from round copper wires, either uncoated or coated with tin, lead,
or lead-alloy for use as electrical conductors
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| Criteria: |
Specify standard name, Class, AWG size. |
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| Usage: |
ASTM B174, Class X, X.X AWG (ASTM B174, Class K, 16 AWG)
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| Standard: |
ASTM B33 - Standard Specification
for Tinned Soft or Annealed Copper Wire for Electrical Purposes
| | Purpose: |
This specification covers tinned, round, soft or annealed copper
wire for electrical purposes. This is a wire specification that provides
criteria for wire based upon wire size.
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| Criteria: |
Specify standard name, AWG size. |
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| Usage: |
ASTM B33, X.X AWG
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| Standard: |
NEMA WC 70 / ICEA S-95-658
- Standard for Nonshielded Power Cables Rated 2000 Volts or Less for
Use in The Distribution of Electrical Energy
| | Purpose: |
This standard covers the requirements for conductors, installations,
jackets, and protective coverings as well as general construction
and dimensional details common to most standard nonshielded types
of wires and cables rated up to 2000 volts.
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| Criteria: |
Specify standard name, desired criteria if any (This standard
defines in detail, various properties of wire and cables, including
size, material, application, and testing. This standard may be applied
generally or specifically by specifying various parameters.)
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| Usage: |
....wire and cable shall meet the requirements of NEMA WC 70.
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| Standard: |
NEMA WC 71 / ICEA S-96-659
- Standard For Nonshielded Power Cables Rated 2001-5000 Volts for
Use in The Distribution of Electrical Energy
| | Purpose: |
This standard covers the requirements for conductors, installations,
jackets, and protective coverings as well as general construction
and dimensional details common to most standard nonshielded types
of wires and cables rated 2001 to 5000 volts.
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| Criteria: |
Specify standard name, desired criteria if any (This standard
defines in detail, various properties of wire and cables, including
size, material, application, and testing. This standard may be applied
generally or specifically by specifying various parameters.)
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| Usage: |
Wire and cable shall meet the requirements of NEMA WC 71.
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| Standard: |
ASTM D470 - Standard Test Methods
for Crosslinked Insulations and Jackets for Wire and Cable
| | Purpose: |
These test methods cover procedures for testing crosslinked insulations
and jackets for wire and cable. To determine the test to be made on
the particular insulation or jacket, reference should be made to the
product specification for that type. These test methods do not apply
to the class of products known as flexible cords. This standard is
frequently called out by wire and cable specifications, with specific
physical test property requirements.
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| Criteria: |
Specify Standard, physical property test performance criteria.
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| Usage: |
ASTM D470, physical property test performance criteria
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| Standard: |
SAE-AS22759/6 : Wire, Electrical,
Fluorocarbon-Insulated, Abrasion Resistant Extruded PTFE, Nickel-Coated
Copper Conductor, 600 Volt
| | Purpose: |
This specification replaces MIL-W-22759/6B, and covers fluoropolymer
- insulated single conductor electrical wires made with tin-coated,
silver-coated, or nickel-coated conductors of copper or copper alloy
as specified in the applicable specification sheet. The fluoropolymer
insulation of these wires may be polytetrafluoroethylene (TFE), fluorinated
ethylene propylene (FTP), polyvinylidean fluoride (PVF2), ethylene-tetrafluoroethylene
copolymer (ETFE,) or other fluoropolymer resin. The fluoropolymer
may be used alone or in combination with other insulation materials.
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| Criteria: |
Specify compliance with standard, add additional criteria if desired.
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| Usage: |
... shall be manufactured according to SAE-AS22759/6
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| Standard: |
MIL-W-81044 - Wire, Electric,
Crosslinked Polyalkene, Crosslinked Alkine-Imide Polymer, or Polyarylene
Insulated, Copper or Copper Alloy
| | Purpose: |
This specification covers single conductor electric wires made
as specified in the applicable specification sheet with tin-coated,
silver-coated, or nickel-coated copper or copper alloy conductors
insulated with cross-linked polyalkene, cross-linked alkane-imide
polymer, or polyarylene. The cross-linked polyalkene, cross-linked
alkane-imide polymer, or polyarylene may be used alone or in combination
with other insulation materials as specified in the specification
sheet.
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| Criteria: |
Specify compliance with standard, add additional criteria if desired.
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| Usage: |
... shall be manufactured according to MIL-W-81044
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