This text analyses several kinds of wiring principles in the low resistance measure by double arms Electric bridge. Point out the necessity of correct wiring.

The stamped arrow on bottom plate mounting and top cover gum label arrow must both point in direction of flow. (See page 6 for "Installation" and page 7 for "Flow rates and wiring information.

According to the feature of the self-supply power plants, we must select the point about electric energy exchange correctly in order to design appropriate wiring diagram.