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 Question by Luke Harmston posted 30 Oct 2002
What does the term 110 refer to in the 110 wiring block ?

I have been told that it refers to the contacts within the block. Is this the case??

 Answer by Dmitri Abaimov posted 01 Nov 2002
Dear Luke,

Honestly I never thought about that, however, please don't be mislead: 110-type block can have anywhere between 25 and 300 pairs of contacts, depending on actual product.

I think the name is just a designation of the design project by AT&T (Western Electric back then) that preceeded 1973 patent on 110-type termination system.

Dmitri Abaimov, RCDD

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