1. Scope 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 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.
Số hiệu tiêu chuẩn
ASTM A 111
Tên tiêu chuẩn
Standard Specification for Zinc-Coated (Galvanized) "Iron" Telephone and Telegraph Line Wire
Ngày phát hành
1999-00-00
Từ khóa
Cables * Coated * Coatings * Electric conductors * Electrical engineering * Telecommunication * Telegraph lines * Telephone lines * Zinc coatings