The Agilent 34938T is a terminal block for the 34938A 20-Channel 5 Amp Form A Switch. This terminal block is used for discrete wiring. It supports up to 20 AWG wire size typical for <100 connections or 24 AWG for >100 connections. The 34938T is a detachable terminal block with screw-type connections that provides a flexible method for connecting external wiring.