Historical
ASTM B229-04
Standard Specification for Concentric-Lay-Stranded Copper and Copper-Clad Steel Composite Conductors
1.1 This specification covers concentric-lay-stranded conductors made from uncoated hard-drawn round copper wires in combination with hard-drawn round copper-clad steel wires, for general use as overhead electrical conductors.
1.2 For the purpose of this specification, conductors are classified under the following type designations (see Fig 1):
| Type A | Type G |
| Type C | Type J |
| Type D | Type K |
| Type E | Type N |
| Type EK | Type P |
| Type F | Type V |
1.3 The SI values for density are regarded as the standard. For all other properties the inch-pound values are to be regarded as standard and the SI units may be approximate.
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ASTM International [astm]
ASTM International [astm]