RTD Wires can be interchangeable?


#1
  1. 4-lead RTDs can generally be used as 3-lead RTDs by eliminating (or tying off) one of the leads

  2. 4-lead RTDs can be used as 2-lead RTDs, by combining (shorting) the common leads (usually of like color – white/white and red/red) WARNING: combining the common leads eliminates lead-wire resistance cancellation benefits

  3. 3-lead RTDs can be used as 2-lead RTDs, by combining (shorting) the common leads ((usually of like color) WARNING: combining the common leads eliminates lead-wire resistance cancellation benefits