AT&T post-1984 Practices.

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4-digit all numeric codes, used before about 1930.

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Alphanumeric codes, used from about 1930 until the early 1960s.

9-digit all numeric codes, used beginning in the early 1960s.

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Find BSP numbers in these stand-alone index documents, then search for the BSP by number. If there is no match, try adding a space after each hyphen in the BSP number (e.g. 502- 503- 103).

HINTS: Find more BSP lists in TOC descriptions in the HANDBOOKS category.
Search for -000-000 or .000 to find the more detailed section/division indexes.

Formerly D-series BSPs. Scope and plan: "These documents are primarily intended for use in Western Electric Company Service Centers in the repair of apparatus and equipment removed from Telephone Company plant."

Bell System Practices were often used unmodified in Canada.  Some were tailored for Canada, and have a suffix of CA.  Issues for use outside the Bell System and later issues were branded Northern Electric or Northern Telecom Practices.

Also see the I&R Handbook index in the BSP Handbooks Category and search on a particular BSP number.

Search for "Crafts Manual TOC" (table of contents) for document titles.

From the Public Services Crafts' Manual for Station, Networks and Testboard, Issue 3, July 1980. PSCM Handbook.

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Dated 1973 - 1976.   Merged into Plant Series BSPs in 1977

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