This terminal block is used for discrete wiring. A fully loaded terminal blocks supports up to 20 AWG wire size typical or 24 AWG if all 144 lines are used. Terminal block 34934T-001 can be used for 4x128 1-wire, 4x64 2-wire, or dual/quad 4x32. Terminal block 34934T-002 can be used for 8x64 1-wire, 8x32 2-wire, or 16x32 1-wire. Expansion headers are also provided for creating larger matrices.