Installing Counter Electromotive Force Cells

Counter EMF cells, if used with a battery, are installed in the same manner as regular cells. They are connected positive to negative, the same as regular cells, but the negative terminal of the CEMF group is to be connected to the negative terminal of the regular cell group. The positive terminal of the counter CEMF group is then to be connected to the switchboard.

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Definitions and Descriptions of
Terms and Parts


Acid. As used in this book refers to sulphuric acid (H2SO4), the active component of the electrolyte, or a mixture of sulphuric acid and water.

Active Material. The active portion of the battery plates; peroxide of lead on the positives and spongy metallic lead on the negatives.