Applied CP Engineering

What this pathway is

This level is organized around real problem types: design decisions, interference conditions, instrumentation errors, and field execution. Use it when you need to make a calculation, evaluate a condition, or choose a practical mitigation strategy.

Problem-type index (recommended order)

1. System design and sizing
   Current requirement, resistance, anode life, and sizing logic.
   Browse formulas Certification Path
2. Current distribution and attenuation
   Decay with distance, boundary conditions, and what “remote” means in practice.
   Attenuation explained Related guides
3. Interference (DC → AC)
   Stray current mechanisms, structure-to-structure coupling, and AC corrosion / mitigation framing.
   Interference guides Why AC can still cause corrosion
4. Instrumentation and measurement error
   Meter loading, reference electrode limitations, IR drop separation, and contact issues.
   Reference electrode conversions Instant-off strategy
5. Field execution and diagnostics
   What to measure, how to interpret, and how to avoid false confidence.
   Practice Tests

If something feels unclear

Applied work depends on foundations (polarization vs IR drop vs attenuation). If a field reading or mitigation decision feels ambiguous, drop back to Level 1 and stabilize the conceptual model first.