CID Plus Certification

What Is CID Plus Certification?

CID Plus - short for Advanced Certified Interconnect Designer - is the advanced-tier credential in the printed circuit board design certification track administered by the Global Electronics Association, the trade name of IPC International Inc. It sits above the foundational Certified Interconnect Designer (CID) credential and is intended for designers who already hold that base certification and want to demonstrate deeper command of PCB design fundamentals used in real fabrication and assembly environments.

Unlike a generic "advanced skills" badge, CID Plus is tied directly to IPC design standards and is delivered exclusively through IPC-licensed training centers, not through self-study alone. That distinction matters for anyone researching what the credential is or how it differs from other things labeled "CID Plus" - for a complete breakdown of the terminology, see What Is CID Plus? and CID Plus Meaning.

Who Issues CID Plus and Where You Take It

Certification itself is administered by the Global Electronics Association (IPC International Inc.), but you don't walk into a Global Electronics Association office to sit the exam. Instead, delivery happens through a network of IPC-licensed training centers - organizations authorized to run the official curriculum, proctor the exam session, and issue certification on the Association's behalf.

Two providers frequently referenced in this space are EPTAC and PIEK, both of which require candidates to already hold CID certification before they can enroll in the advanced CID+ course. This licensed-provider model is why course length, format, and scheduling can vary slightly between training centers even though the underlying certification and passing standard stay consistent. If you want a plain-language primer before diving into logistics, start with What Is CID Plus Certification?

Prerequisites: Why You Need a CID First

CID Plus is not designed for newcomers to PCB layout. Because EPTAC and PIEK both require prior CID certification as a condition of enrollment in their advanced courses, you cannot shortcut the path - the foundational Certified Interconnect Designer credential has to come first. This sequencing exists because the advanced course assumes fluency in interconnect fundamentals and spends its instructional time building on that base rather than re-teaching it.

If you're mapping out where you currently stand relative to eligibility, our dedicated breakdown at CID Plus Requirements 2026: Eligibility, Prerequisites & How to Qualify walks through what "already CID certified" means in practice and how training centers verify it during enrollment.

Exam Format and Passing Score

According to the issuer's combined CID/CID+ program description, the certification exam consists of more than 100 multiple-choice questions, and candidates need a minimum score of 73% to pass. That threshold applies to the certification exam itself, not to individual practice sets or course quizzes you might encounter along the way.

It's worth noting that the four-day structure many training centers advertise refers to course days - lecture and review/testing days - not a timed exam duration. The multiple-choice exam session is administered within that final review/testing day, following the lecture portion of the course. For a deeper look at what the 73% figure means in context and how it's applied, read CID Plus Passing Score 2026: Exactly What You Need to Pass.

Study Themes You Must Master

Licensed-provider syllabuses for the advanced course consistently cover a shared set of subject areas. These function as study themes to organize your preparation, not as officially weighted exam domains - treat them as the map of what an experienced designer is expected to know cold before sitting the exam.

For a fuller walkthrough of how these themes map onto actual exam questions and where candidates most often lose points, see CID Plus Exam Domains 2026: Complete Guide to All Content Areas. And if you're specifically trying to gauge difficulty relative to the base CID exam, How Hard Is the CID Plus Exam? Complete Difficulty Guide 2026 is worth reading before you commit to a study timeline.

Course Structure and Delivery Formats

EPTAC's advanced designer course runs four days: three days of lecture followed by one review/testing day. It's offered in both online and in-classroom formats, giving working designers flexibility in how they attend without changing the underlying content or the exam itself. That structure is also why the "four days" you'll see referenced online describes course length - not a timed exam window - a distinction worth keeping straight when you're budgeting time off work.

Because the exam session happens on that final course day, most of your independent preparation needs to happen before you ever walk into (or log into) the classroom.

What Registration Actually Includes

When you register for the CID+ course through a licensed provider, the fee bundles several components rather than charging for the exam alone. Registration typically includes:

• Course materials for the lecture days
• Live instruction across the multi-day format
• The examination session itself
• Instructor consultation during the course
• Certification processing once you pass

Because pricing structures and what's bundled can shift by provider and region, we cover the mechanics in more detail - without inventing numbers that don't apply to this specific credential - in CID Plus Certification Cost 2026: Complete Pricing Breakdown.

Building a Study Plan Around the Course

The issuer recommends approximately three weeks of independent study before you start the course. That window exists because lecture days move quickly through material that assumes you've already reviewed the fundamentals - the course reinforces and tests rather than teaches from zero.

A practical way to use those three weeks is to rotate through the study themes rather than cramming all of them into the final days before the review/testing session:

Simple spaced repetition - revisiting missed practice questions two or three days after first seeing them - works well within this three-week window precisely because it mirrors how the course itself layers lecture content before the review/testing day. For a condensed, one-page version of the must-know facts to keep close during that final review, bookmark the CID Plus Cheat Sheet 2026: One-Page Review of Must-Know Facts. A more complete week-by-week plan, including how to sequence practice exams against your registered course date, is in our CID Plus Study Guide 2026: How to Pass on Your First Attempt.

CID vs. CID Plus: How They Differ

Because the two credentials share a program page and a similar name, candidates often conflate them. The table below separates what's distinct about each based on how the issuer structures the pathway.

For a full side-by-side narrative comparison rather than just the table view, see CID vs CID+ coverage in our study resources, and check What Does CID Plus Stand For? if you're still untangling the acronym from similarly named programs.

Why Experienced Designers Pursue It

CID Plus exists for designers who've moved past entry-level layout work and are now responsible for signal integrity, manufacturability, and documentation decisions that affect an entire product line. Employers hiring for senior PCB design, design engineering, and DFM-focused roles often look for this advanced credential specifically because it signals hands-on fluency with controlled impedance, EMI/EMC mitigation, and HDI techniques - not just familiarity with layout software.

Because IPC-licensed provider Quadra describes CID+ as a lifetime certification, there's no recurring renewal cycle to plan around once you've passed, which simplifies long-term career planning compared to certifications that require periodic re-testing. If you're weighing whether the time and course investment make sense for your role, our analysis in Is the CID Plus Certification Worth It? Complete ROI Analysis 2026 and the role-specific breakdown in CID Plus Jobs both go deeper than what fits in this overview. You can also compare training-package options across providers before enrolling by reviewing CID Plus Training.

Whichever provider you choose, practicing with scenario-style multiple-choice questions that mirror the exam's format is one of the highest-leverage things you can do before the review/testing day. You can build that habit early using original practice scenarios on CID Plus Exam Prep, then narrow in on weak themes as your three-week window progresses.

Frequently Asked Questions