The Sparky blog

Study Guides

NEC code-book tactics, calculation walkthroughs, and exam-day strategy — written by a master electrician, not a content mill. New guides every week.

State guide · Georgia

Georgia has no journeyman license — the real test is the PSI Electrical Contractor exam: 140 questions, 8 hours, 70%, NEC 2023.

Calculations · Chapter 9, Table 8

The one formula, the K constants, Table 8 circular mils, and worked examples — including sizing the wire.

State guide · California

100 questions, 4 hours, 70% — plus the 2026 provider switch to Pearson VUE, fees, and the NEC edition.

Calculations · NEC 314.16

Volume allowances, what counts, and a worked example. Free points — if you know the method.

Code updates

The code changes most likely to show up on the journeyman exam, article by article.

Reference · 50 states

The state-by-state table — study the edition you'll actually be tested on.

State guide

Format, NEC edition, and allowed references for the Texas exam.

State guide

How journeyman licensing actually works in Florida.

Comparison

An honest breakdown of the two most different ways to prep.

Bite-size reps

One Question at a Time

Short on time? The exam questions page posts one real exam-style question with its NEC answer — five new ones every week.

Start here

The journeyman exam is open-book — it tests how fast you find answers in the NEC, not memorization. Read the open-book method, then take the free 10-question practice test with your Code book open.