Transformative adapter 9290-10, does consist of the unclasping tongs (size of the internal opening of rectangular form of 55? 80 mm) against one end of the wire and square outline (size of the internal opening of the square form of 27x27 mm) against other end. Adapter is intended for measuring only alternating current to 1000 A (to 1500 A not more than 5 minutes) transformative adapter T -101[a], it is intended for measuring only alternating current to 15 A