For calibration work decade boxes are suitable for verifying the accuracy of measuring devices and test equipment including multimeters. Resistance box with 7 decade ranges of resistance This resistance decade box can be used to design and test circuits. Induction Heater Resistance Decade Box Wikipedia REED R5408 Resistance Decade Box - 1 To 11.1M (1% Tolerance) Resistor Decade Box Soldering Kit Decade Boxes - Industrial Electrical REED Instruments R5408 Resistance Decade Box. Add to cart Once tested, a resistor indicated by the decade box can then be put into the circuit. 3 binding posts permit isolated substitutions Durable construction R5408 u2013 Decade Box, Resistance from REED Instruments. Pricing and Availability on millions of electronic components from Digi-Key Electronics