Month: October 2026

NEC 220 Dwelling Load Calculation, Step by Step: The Standard Method for Apprentices (Now Article 120 in the 2026 NEC)

A step-by-step guide to the NEC standard method for a house: general lighting at 2 VA per square foot, small-appliance and laundry circuits, lighting demand factors, fixed appliances at 75%,…

Updated 2026-10-14 · Read the article ›

NJATC (electrical training ALLIANCE) Aptitude Test vs GAN: Which One Does Your JATC Use? (2026)

Some IBEW/NECA JATCs still use the electrical training ALLIANCE aptitude test, formerly the NJATC test, and some have switched to the GAN aptitude test with a Personal Experience Form. What…

Updated 2026-10-14 · Read the article ›

IBEW Aptitude Test Score: How Stanines Work, Published Minimums at 16 JATCs, Ranking and Retest Waits (2026)

What a passing IBEW aptitude test score is: the 1 to 9 stanine scale, the minimum score 16 JATCs publish (most say 4, some say 5; the GAN JATCs we…

Updated 2026-10-14 · Read the article ›

IBEW Aptitude Test Reading Comprehension: 36 Questions in 51 Minutes, Question Types and How to Read the Passages (2026)

How the reading part of the IBEW/NECA apprenticeship aptitude test works: 36 Reading Comprehension questions in 51 minutes, the question types you will see, a reading method that fits the…

Updated 2026-10-16 · Read the article ›

IBEW Aptitude Test Math: The 33 Algebra and Functions Questions, 46 Minutes, No Calculator (2026)

What the math part of the IBEW/NECA apprenticeship aptitude test covers: 33 Algebra and Functions questions in 46 minutes with no calculator. The five question types, worked examples, a timing…

Updated 2026-10-17 · Read the article ›

NEC 675 Irrigation Machines for the Journeyman Exam: Center Pivot Equivalent Current Rating, Disconnects, Grounding and Collector Rings

2026 NEC Article 675 irrigation machines: center pivot equivalent continuous and locked-rotor current, disconnect, grounding and bonding, with worked examples.

Updated 2026-10-12 · Read the article ›

NEC 660 X-Ray Equipment for the Journeyman Exam: Momentary and Long-Time Ratings, the 50 Percent Rule and Feeder Sizing

2026 NEC Article 660 X-ray equipment: momentary and long-time ratings, branch circuit and disconnect at 50 or 100 percent, feeder sizing and minimum wire sizes.

Updated 2026-10-12 · Read the article ›

NEC 504 Intrinsic Safety and 505 Zones for the Journeyman Exam: Control Drawings, Separation, Light Blue Wiring and Zone 0, 1 and 2

2026 NEC Articles 504 and 505: intrinsically safe circuits, control drawings, keeping IS wiring separate, light blue identification and Zone 0, 1 and 2.

Updated 2026-10-12 · Read the article ›

NEC 427 Pipeline and Vessel Heat Tracing for the Journeyman Exam: 125 Percent Branch Circuits, Ground-Fault Protection, Warning Labels and Disconnects

2026 NEC Article 427 heat tracing for pipelines and vessels: 125 percent continuous load, equipment ground-fault protection, caution labels and disconnects.

Updated 2026-10-12 · Read the article ›

NEC 411 Low-Voltage Lighting and 402 Fixture Wires for the Journeyman Exam: Listing, Where It Cannot Go, 18 AWG Minimum and Fixture Wire Ampacity

2026 NEC Articles 411 and 402: low-voltage lighting systems, listing and location limits, fixture wire minimum 18 AWG, fixture wire ampacity and tap rules.

Updated 2026-10-12 · Read the article ›