Month: October 2026

NEC 342 IMC and 360 Flexible Metallic Tubing for the Journeyman Exam: Where Each Is Allowed, Sizes, Bends and the 6-Foot Limit

2026 NEC Articles 342 and 360: where IMC and flexible metallic tubing are allowed, trade sizes, 360 degrees of bends, IMC supports and the 6-foot FMT limit.

Updated 2026-10-12 · Read the article ›

NEC 340 UF Cable for the Journeyman Exam: Where Underground Feeder Cable Can Go, the 11 Places It Cannot and Its 60°C Ampacity

2026 NEC Article 340 Type UF cable: direct burial and wet locations, the eleven uses not permitted, service entrance and sunlight traps, and 60°C ampacity.

Updated 2026-10-12 · Read the article ›

NEC 120 Commercial Load Calculation for the Journeyman Exam: Lighting VA per Square Foot, Receptacles, Show Windows and Kitchens

2026 NEC Article 120 commercial load calculation: lighting VA per square foot, 180 VA receptacles, the 10 kVA receptacle demand, show windows and kitchens.

Updated 2026-10-12 · Read the article ›

NEC 800 and 820 for the Journeyman Exam: Communications and CATV Cable Entering a Building, Clearances and Bonding

2026 NEC Articles 800 and 820: overhead and underground clearances, the 50 ft unlisted cable rule, 6 ft from lightning conductors and bonding at entry.

Updated 2026-10-12 · Read the article ›

NEC 610 Cranes and Hoists for the Journeyman Exam: Conductor Sizing From Nameplate Current and Disconnect Ratings

2026 NEC Article 610 cranes and hoists: conductors from motor nameplate current, the largest motion plus 50 percent rule and the 50/75 percent disconnect rule.

Updated 2026-10-12 · Read the article ›

NEC 525 Carnivals, Circuses and Fairs for the Journeyman Exam: Overhead Clearance, Ride Disconnects, Cords and GFCI

2026 NEC Article 525: 15 ft from overhead lines, a ride disconnect within sight and 6 ft of the operator, extra-hard usage cords, bonding sources and GFCI.

Updated 2026-10-12 · Read the article ›

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 ›