MEC100 Extension Cable, Biopotential or Transducer Amplifiers to 2 mm Socket Inputs MEC101 Extension Cable, Biopotential Amplifiers to 2 mm Socket Inputs - Protected MEC110C Extension Cable, Biopotential Amplifiers to Touchproof Inputs MEC111C Extension Cable, Biopotential Amplifiers to Touchproof Inputs - Protected Same Day Shipping - orders with UPS Red or Blue shipping will be shipped the same day if received by 3 p.m. PT (Monday-Friday).