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Standard Specification for Zinc-Coated (Galvanized) "Iron" Telephone and Telegraph Line Wire
1.1 This specification covers two grades of "iron" wire with Class A, Class B, and Class C zinc coatings, suitable for use in telephone, telegraph, and signal transmission. The two grades covered are designated Grade EBB (extra best) and Grade BB (best best).
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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