... plate outside it only acts as a clamp and isn't used for electric conduction.For&6/12 element, single ... is installed, the thread fixing the wire clip shouldn't be screwed too much at one time, it can ... high temperature, as the element has some plastic and isn't easily broken .the temperature of the wire clip generally ... for a long time. The Dia.9 element can't be used of 300A for a long time. Technical ...