NCEES

PE Electrical and Computer: Power

Principles and Practice of Engineering (PE) Electrical and Computer — Power Exam

The professional licensure exam for electrical engineers practicing in power, taken after the FE and qualifying work experience. It is the Power module of the PE Electrical and Computer exam.

$3759-hour appointment (8-hour exam plus tutorial and a scheduled break)Required to practice

What's on the exam

PE Electrical and Computer — Power CBT Exam Specifications (effective October 2025)

Measurement and Instrumentation

6–9 questions

Instrument transformers and metering · Insulation testing · Ground resistance testing · Sensors and instrumentation

General Applications

8–12 questions

Codes and standards (NEC, NESC) · Lightning and surge protection · Engineering economics · Grounding and bonding

Electrical Safety

10–15 questions

Arc-flash hazard analysis · Shock and electrical hazards · Personal protective equipment · Lockout/tagout procedures

Circuit Analysis

10–15 questions

Per-unit system · Phasor diagrams · Single- and three-phase circuits · Symmetrical components

Power Electronic Circuits and Control Devices

5–8 questions

Converters and inverters · Variable frequency drives · Relays and switches · Boolean and ladder logic

Rotating Machines

5–8 questions

Machine types and applications · Motor starting · Synchronous and induction machines · Generators

Electric Power Devices

8–12 questions

Transformers · Capacitors · Electrical energy storage · Alternative power generation (PV, wind)

Transmission and Distribution Analysis

8–12 questions

Voltage drop · Voltage regulation and support · Power factor correction · Power quality · Power flow and system stability

Protection

10–15 questions

Overcurrent protection · Protective relaying (differential, distance, undervoltage) · Protective devices (fuses, breakers, reclosers) · Coordination

Frequently asked questions

How much does the PE Electrical and Computer: Power cost?

The PE Electrical and Computer: Power costs $375. NCEES exam fee (commonly listed at $375–$400); state boards add separate application and licensure fees.

How long is the PE Electrical and Computer: Power and how many questions does it have?

80 questions — 9-hour appointment (8-hour exam plus tutorial and a scheduled break).

What do you need to pass the PE Electrical and Computer: Power?

Scaled pass/fail standard set by NCEES (no fixed percentage).

Can you retake the PE Electrical and Computer: Power?

Up to 3 attempts in a 12-month period.

What is the best way to study for the PE Electrical and Computer: Power?

Study the official blueprint, not random material: the exam is weighted by domain (Measurement and Instrumentation 6–9 questions, General Applications 8–12 questions, Electrical Safety 10–15 questions, Circuit Analysis 10–15 questions, Power Electronic Circuits and Control Devices 5–8 questions, Rotating Machines 5–8 questions, Electric Power Devices 8–12 questions, Transmission and Distribution Analysis 8–12 questions, Protection 10–15 questions). Spaced-repetition flashcards built domain-by-domain against that blueprint are the most time-efficient way to cover everything the exam tests.

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