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Feb 22, 2026
Common CP 3 Calculation Types Explained
A pattern-based guide to the most common CP 3 calculation question types: current requirement, anode resistance, driving voltage, anode life, IR-drop corrections, and more.
Feb 18, 2026
Activation vs Concentration Polarization
A practical way to tell the difference, how each appears, and why it matters for CP interpretation.
Feb 15, 2026
CP 3 Exam Breakdown: Theory vs Case-Based
Understand the difference between the CP 3 theory and case-based exams, including study strategies and common preparation mistakes.
Feb 11, 2026
How to Study for CP 1, CP 2, CP 3, and CP 4 Exams
Study strategies and preparation guidance for AMPP cathodic protection certification exams from CP 1 through CP 4.
Feb 4, 2026
Polarization in Cathodic Protection: What It Means and How to Interpret It
A practical explanation of polarization, activation vs concentration effects, IR drop, instant-off, and how polarization relates to CP interpretation.
Feb 1, 2026
CP 3 – Cathodic Protection Technologist Certification Overview
Overview of the AMPP CP 3 certification and its focus on cathodic protection design and advanced analysis.
Jan 28, 2026
AMPP vs NACE: What Changed and What It Means for CP Professionals
Explanation of the NACE and SSPC merger into AMPP, how certifications transitioned, and what it means for cathodic protection professionals.
Jan 25, 2026
What Is AMPP? (Association for Materials Protection and Performance)
What AMPP is, what it does, and why it matters for cathodic protection and corrosion-control careers.
Jan 21, 2026
CP 2 – Cathodic Protection Technician Certification Overview
Overview of the AMPP CP 2 certification and its emphasis on system evaluation and troubleshooting.
Jan 18, 2026
CP 1 – Cathodic Protection Tester Certification Overview
Overview of the AMPP CP 1 certification, including scope, responsibilities, and required knowledge areas.
Jan 18, 2026
CP 4 – Cathodic Protection Specialist Certification Overview
Overview of the AMPP CP 4 certification, the highest level in the cathodic protection credential track.
Jan 14, 2026
Cathodic Protection Explained: Principles, Design, Testing, and Standards
A technical guide to cathodic protection (CP): how it works, galvanic vs ICCP systems, protection criteria, polarization/IR drop, testing, and common pitfalls.
Jan 11, 2026
What Is Cathodic Protection?
A field-oriented explanation of cathodic protection, why it works, and how it’s applied to buried and submerged structures.
Jan 7, 2026
Cathodic Protection Career and Salary Outlook (CP1–CP4)
Salary ranges, career progression, and industry demand for AMPP cathodic protection certifications from CP 1 to CP 4.
Jan 4, 2026
AMPP Cathodic Protection Certification Levels Explained (CP1 vs CP2 vs CP3 vs CP4)
Comprehensive comparison of AMPP CP 1, CP 2, CP 3, and CP 4 certifications, including responsibilities, authority level, and career progression.
Jan 1, 2026
Corrosion Basics: The 4 Parts of a Corrosion Cell
A corrosion cell needs an anode, cathode, electrolyte, and a metallic path. Here’s how they work together.