A SmartestDesk Brand
The Manual · 24 Chapters · ~380 Pages

The Code, made clear.

Twenty-four chapters that carry you from electrical theory through grounding, load calculations, motors, and professional practice — written plain, paraphrased from the 2023 NEC, and cited to the article so nothing is taken on faith.

Eight Blueprint Areas
Definitions & General Branch / Feeder / Service Grounding & Bonding Wiring Methods Equipment, Motors & Transformers Special Occupancies Theory / AC / Math Safety
Table of Contents

Twenty-four chapters, the full arc.

Foundations first, then the Code applied article by article, all the way through safety, the calculation workbook, and reference.

Chapters 1–4
Foundations
01Introduction and Exam-Taking StrategyStrategy
02Electrical Theory (Foundations)Theory
03AC FundamentalsTheory
04Trade MathMath
Chapters 5–7
The Code Book & Definitions
05How to Use the NEC CodebookArt. 90
06Article 100 DefinitionsArt. 100
07Article 110 General RequirementsArt. 110
Chapters 8–10
Circuits, Services & Protection
08Branch Circuits, Feeders, and ServicesArt. 210–230
09Overcurrent ProtectionArt. 240
10Conductor Sizing, Ampacity, and Voltage DropArt. 310
Chapters 11–13
Grounding & Wiring Methods
11Grounding and BondingArt. 250
12Wiring MethodsArt. 300–399
13Box Fill and Conduit Fill CalculationsArt. 314
Chapters 14–17
Equipment, Motors & Transformers
14Equipment for General UseArt. 400–490
15Motors, Motor Circuits, and ControllersArt. 430
16Transformers and Transformer CalculationsArt. 450
17HVAC and Appliance Branch CircuitsArt. 440
Chapters 18–20
Special Occupancies & Systems
18Special OccupanciesArt. 500–590
19Special EquipmentArt. 600–695
20Emergency, Optional, Communications & Low-VoltageArt. 700–840
Chapters 21–24
Safety, Calculations & Reference
21Safety (OSHA, NFPA 70E)OSHA / 70E
22Calculation Workbook — every required calc, worked end to endCalcs
23Quick-Reference TablesReference
24Glossary and IndexReference
The Art

A cover and eight section dividers.

Original copper-on-black artwork carries you through the manual — the same hand behind every page.

Look Inside

See the pages for yourself.

Real spreads from the manual — plain prose, the strategy callouts, and the article-by-article breakdowns, every rule cited.

Manual sample — exam-taking strategy with the open-book trap callout
Ch 1Exam strategy — reading a code-lookup question without panicking
Manual sample — equipment details by NEC article
Ch 14Equipment for general use — switches, receptacles, panelboards, cited by article
Welcome Guides

Start on the right foot.

Three short guides set the path before you open Chapter 1.

GUIDE 01

Start Here

What Currentline is, how it’s built, and how to get the most from it.

Open the guide →
GUIDE 02

How to Use Currentline

The study rhythm — manual to exam to review — that gets you license-ready.

Open the guide →
GUIDE 03

Your Path to the License

A study map keyed to the real chapters, from first read to exam day.

Open the guide →

Pair it with the exam.

The bundle’s study map turns every missed question into a chapter to revisit — across a ninety-day window, kept current the whole way through.