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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.