Category: Electrician careers, career change & licensing

NEC 502 and 503 for the Journeyman Exam: Class II Dust and Class III Fiber Locations, Wiring Methods and Seals

2026 NEC Articles 502 and 503: Class II dust and Class III fiber wiring methods by division, the 10 ft and 5 ft raceway seal options and exposed parts.

Updated 2026-10-12 · Read the article ›

NEC 386 Surface Metal Raceway for the Journeyman Exam: Uses, the 300 Volt Limit, Fill, Splices and Derating

2026 NEC Article 386 surface metal raceway: where it is allowed, the 300 V thickness rule, the three-part derating exemption and the 75 percent splice limit.

Updated 2026-10-12 · Read the article ›

NEC 338 Service-Entrance Cable for the Journeyman Exam: SE, SER, SEU and USE, Feeders, Insulation and Bending

2026 NEC Article 338: SE and USE cable uses, bare conductors on feeders, the 60°C limit for 10 AWG and smaller in insulation, and bending radius.

Updated 2026-10-12 · Read the article ›

NEC 332 MI Cable for the Journeyman Exam: Mineral-Insulated Cable Uses, Bending Radius, Support and End Seals

2026 NEC Article 332 MI cable: where it may go, the 5 and 10 times bending radius, 6 ft supports, grouping single conductors and sealing right after stripping.

Updated 2026-10-12 · Read the article ›

NEC 200 Grounded Conductor Identification for the Journeyman Exam: White, Gray, Stripes and Re-Identification

2026 NEC Article 200: how the grounded conductor is marked by size, when white may be re-identified, grouping neutrals and screw shell polarity.

Updated 2026-10-12 · Read the article ›

NEC 215 Feeders for the Journeyman Exam: Minimum Conductor Size, the 125% Rule, Feeder Breakers and the 2026 Section Numbers

Size a feeder under the 2026 NEC: 215.4(A)(1) minimum ampacity, the correction check, the 215.5 breaker, the neutral exception and the new 2026 section numbers.

Updated 2026-10-12 · Read the article ›

NEC 455 Phase Converters and 460 Capacitors for the Journeyman Exam: What They Do and How the Motor Overload Changes

2026 NEC phase converters (455) and power factor capacitors (460): the manufactured phase, stored charge, and why the motor overload is set lower.

Updated 2026-10-12 · Read the article ›

NEC 376, 366 and 368 for the Journeyman Exam: Wireway Fill, Gutter Bus Bars and Busway Support Worked Out

2026 NEC wireways (376), auxiliary gutters (366) and busways (368): the 20 percent fill, 75 percent at splices, 30 conductors and 5 ft supports.

Updated 2026-10-12 · Read the article ›

NEC 362 ENT and 320 AC Cable for the Journeyman Exam: Where They Go, How They Are Supported and Attic Protection

2026 NEC ENT (362) and AC cable (320): the three-floor limit, 3 ft straps, anti-short bushings, no wet locations and the 6 ft attic scuttle rule.

Updated 2026-10-12 · Read the article ›

NEC 314.28 Pull and Junction Box Sizing for the Journeyman Exam: Straight Pulls, Angle Pulls and Rows Worked Out

Size a pull box under 2026 NEC 314.28: 8 times the largest raceway for straight pulls, 6 times plus the rest of the row for angle pulls, worked out.

Updated 2026-10-12 · Read the article ›