Home / Cathodic Protection / Copper Test Clip / 27-C (40 Amp) Test Clip 27-C (40 Amp) Test Clip Solid Copper Test Clip Description: Crimp or Screw Connection Jaw Opening: 0.625″ Overall Length: 2.44″ Current Rating: 40 Amp Category: Copper Test Clip Tags: 25-c clip, 27-C Clip, 40 Amp, 75 AMP, test clip Product ID: 1118