Cathodic Protection Specialist (CP4) Certification

COURSE + CERTIFICATION

Cathodic Protection Specialist Certification (CP4)

Advance to the highest level of corrosion control expertise with AMPP’s Cathodic Protection Specialist (CP4) Certification. This comprehensive program combines advanced design principles, system calculations, and real‑world CP implementation training — including exam registration — to prepare you to lead cathodic protection design, installation, and maintenance across complex infrastructure.

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Cathodic Protection Specialist Certification (CP4)
Duration

5 Day Course*

Delivery

In-Person

CEUs/PDHs

4.5 Continuing Education Units (CEUs)

Languages

English, Spanish, and Chinese*

Certification

Valid for 3 years

*Please note that the language and length of the course may vary based on geographic location.

Overview

The CP4 course focuses on the theoretical concepts and practical considerations that influence cathodic protection system design for both galvanic and impressed current systems. You’ll study design factors (including attenuation), environmental and material impacts, rectifier and ground‑bed installation, corrosion analysis techniques, and protective‑coating integration across pipelines, tanks, offshore structures, and reinforced concrete applications. 

Your purchase includes registration for the CP4 Certification exams, which verify your advanced knowledge and position you as a leader in CP design and corrosion control. Earning this credential demonstrates high‑level expertise in designing, evaluating, and managing cathodic protection systems across a range of industrial applications.

Who it's for

  • CP System Designers
  • CP Technologists
  • CP Managers
  • Engineers

Skills you'll gain

  • Data Management
  • Field Measurement
  • Inspection & Evaluation
  • System Design

Prerequisites

There are no prerequisites for this course.

Recommended

Cathodic Protection 3 – Technologist or equivalent training

To be successful in this course, it is strongly recommended that students have completed college or university-level courses in algebra, geometry, and trigonometry, and have significant practical experience in CP design.

Steps to certification

  1. Fulfill work experience and education requirements

    Bachelor's degree in physical sciences or engineering

    6 years of verifiable work experience in advanced Cathodic Protection, including 4 years in responsible charge**

    ** Responsible charge refers to work experience that is at a level of responsibility requiring initiative, technical ability, and independent judgement.

  2. Meet course requirements

    CP4 - Cathodic Protection Specialist Course - Strongly Recommended

    Successful completion of the Ethics for the Corrosion Professional course or an equivalent training

  3. Take required exams

    Case-Based and Theory Exam Preparation Guide

    Note: These exams will be available in English at select Pearson VUE testing centers globally. The upcoming available times are:

    February 2-15, 2026

    August 3-16, 2026

  4. Complete application requirements

    Approved CP4 - Cathodic Protection Specialist Application

Looking to renew your certification?

Visit My Certification Portal to log and manage your work experience and Professional Development Hours (PDH's) needed. Your work experience and PDH's will be submitted as part of your renewal application but you can input PDH's at any time.

View Renewal Guide  |  My Certification Portal

Guides and resources

Looking for Exam Preparation Guides?

To help you prepare for your exam, we have a library of Exam Preparation Guides to support your specific exam.

View Exam Prep Guides


Frequently asked questions

Each AMPP course includes expert-led instruction, course materials, and, when applicable, access to the related certification exam. Specific inclusions are listed on each course’s registration page.

Any prerequisites for a course or certification exam will be outlined on the course page or during registration. Some programs may require relevant work experience or prior coursework. All requirements will be clearly stated before you register.

Payment can be made online by credit card at checkout, by wire transfer, or through an invoice request for company or group payments.

Please ensure all required details are included with wire transfers; incomplete submissions may result in a refund if the payment cannot be properly applied. Full payment is required before the course begins.

If you are unable to attend your scheduled course, contact AMPP Customer Support as soon as possible. You may be eligible to transfer to another course date or location, depending on availability and AMPP’s cancellation policy.

For full details, view our Cancellation and Transfer Policy.

Yes. Upon successful completion of your course, AMPP provides a Certificate of Course Completion.

If your course is part of a certification program, you must also meet all certification requirements outlined for that program. Your registration confirmation email will include details on scheduling exams and completing any additional steps needed for certification.

Course materials are provided at the start of your training to ensure you receive the most current content. Some programs may include optional pre-reading materials after registration—check your confirmation email for details.

If you wish to purchase additional study resources before your course begins, please contact Customer Support for pricing and availability.

You may be eligible for a complimentary one-year AMPP membership depending on the course purchased. Eligibility varies by course tier and delivery partner. Most courses offered through an AMPP Licensee or partner include this benefit; some restrictions may apply.

Yes. AMPP certifications are globally recognized and respected across industries such as oil and gas, infrastructure, coatings, corrosion control, and defense.

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Can’t find the course you’re looking for, or have questions, you can connect with our Customer Support team via email or phone to get dedicated help!

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Send us an email and one of our friendly Customer Support team members will connect with you soon.

Please note that we have a limited number of Spanish/Chinese-speaking representatives.

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US: 1-800-797-6223
International: +1-281-228-6200

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