View Historical Standards for B231/B231M:

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Document Designation and Title Year Select Item(s) B231/B231M Standard Specification for Concentric-Lay-Stranded Aluminum 1350 Conductors 11 B231/B231M Standard Specification for Concentric-Lay-Stranded Aluminum 1350 Conductors 04 B231/B231M Standard Specification for Concentric-Lay-Stranded Aluminum 1350 Conductors 99