Removal of street car rails in parts of Chicago has necessitated the use of cathodic protection for many sections of lead sheathed telephone cables. For each of several situations data have been collected as follows: 1. Type of power supply. 2. Design of ground bed. 3. Current and voltage requirements. 4. Cable sheath potentials. 5. Amount of cable protected and 6. First cost and power cost.

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Copyright 1954 by the National Association of Corrosion Engineers.
1954
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