RM4210 Wiring Guide
January 2019
8
to-soil, DC current density, and instant off and the second CP-protected (AC coupon) is used to
measure AC current density.
One CP-protected Coupon
These instructions detail how to wire a single CP-protected coupon (with either one or two wires) to
measure AC and/or DC pipe-to-soil, AC and/or DC current density, and instant off. Refer to the
following figures for reference.
Figure 1-1. RM4210 Wiring Harness
