Eisco Labs Rheostats - Standard, Resistance 8.5 Ohms, Max. Current 5 Amp.

Rheostat - Standard, Resistance 8.5 Ohms, Max. Current 5 A , Rheostat is wound with heavily oxidized constantan (Copper-Nickel Alloy) wire on a vitreous enameled steel tube. There is a heavy duty sliding contact made of phosphor bronze and nickel plated for corrosion resistance. There are 2 ; 4 mm terminal posts which are fitted to facilitate external connection conventional 4 mm plug