How a 66-Block (Telephone Block) Works & Check Out This Nortel Meridian Phone System

[@jaycahow4667]

I have used 66 blocks to wire a few homes in the past that had lots of wall phone jacks.

[@HazimGaber]

I haven't done much residential but 10-pair 66 blocks are common in houses, or used to be

[@LidLockTV]

That's a Norstar system, not a Meridian