- 2 Sections
- 88 Lessons
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- Wiring Methods and Equipment88
- 1.1300.13 – Major Relocation: Securing and Supporting Moves to Section 300.13
- 1.2300.13 – Major Relocation: Securing and Supporting Moves to Section 300.131 Question
- 1.3300.24 – Is the 360-Degree Bend Limit Now a General Requirement?
- 1.4300.24 – Is the 360-Degree Bend Limit Now a General Requirement?1 Question
- 1.5300.4 – Where Did the Nail Plates Go? The Repurposing of Section 300.4
- 1.6300.4 – Where Did the Nail Plates Go? The Repurposing of Section 300.41 Question
- 1.7300.5 – Major Restructuring: Section 300.5 is Now “Conductors”
- 1.8300.5 – Major Restructuring: Section 300.5 is Now “Conductors”1 Question
- 1.9300.6 – Where Did the Physical Damage Rules Go? (Section 300.6)
- 1.10300.6 – Where Did the Physical Damage Rules Go? (Section 300.6)1 Question
- 1.11300.9 – Managing Temperature Changes: Condensation and Expansion
- 1.12300.9 – Managing Temperature Changes: Condensation and Expansion1 Question
- 1.13305.14 – Where Did the Physical Damage Protection Rules Go? (Systems over 1000VAC/1500VDC)
- 1.14305.14 – Where Did the Physical Damage Protection Rules Go? (Systems over 1000VAC/1500VDC)1 Question
- 1.15305.16 – Where Did the Corrosion Protection Rules Go? (Systems over 1000VAC/1500VDC)
- 1.16305.16 – Where Did the Corrosion Protection Rules Go? (Systems over 1000VAC/1500VDC)1 Question
- 1.17305.17 – How are Temperature Changes Handled in the 2026 NEC? (Systems over 1000VAC/1500VDC)
- 1.18305.17 – How are Temperature Changes Handled in the 2026 NEC? (Systems over 1000VAC/1500VDC)1 Question
- 1.19305.21 – New General Requirements for Securing and Supporting Wiring Methods (Systems over 1000VAC/1500VDC)
- 1.20305.21 – New General Requirements for Securing and Supporting Wiring Methods (Systems over 1000VAC/1500VDC)1 Question
- 1.21305.29 – Where Did Vertical Raceway Supports Go? (New Section 305.29)
- 1.22305.29 – Where Did Vertical Raceway Supports Go? (New Section 305.29)1 Question
- 1.23305.32 – Wiring in Ducts and Plenums (Section 305.32) (Systems over 1000VAC/1500VDC)
- 1.24305.32 – Wiring in Ducts and Plenums (Section 305.32) (Systems over 1000VAC/1500VDC)1 Question
- 1.25310.5 – New Minimum Conductor Sizes and Section Relocation
- 1.26310.5 – New Minimum Conductor Sizes and Section Relocation1 Question
- 1.27312.11 – Where did the Rules for Splices in Switch Enclosures Go?
- 1.28312.11 – Where did the Rules for Splices in Switch Enclosures Go?1 Question
- 1.29314.27 – Outlet Box Support and Fan Box Locations: 2026 Revisions
- 1.30314.27 – Outlet Box Support and Fan Box Locations: 2026 Revisions1 Question
- 1.31342.30 – Updates to IMC Securing and Supporting References
- 1.32342.30 – Updates to IMC Securing and Supporting References1 Question
- 1.33400.10 – Clarifying References for Flexible Cord Requirements
- 1.34400.10 – Clarifying References for Flexible Cord Requirements1 Question
- 1.35402.13 – Where Did Table 402.3 Go? New Location for Fixture Wire Types
- 1.36402.13 – Where Did Table 402.3 Go? New Location for Fixture Wire Types1 Question
- 1.37404.2 – Where Did the “Neutral at the Switch” Rule Go? (New Listing Requirements)
- 1.38404.2 – Where Did the “Neutral at the Switch” Rule Go? (New Listing Requirements)1 Question
- 1.39406.12 – Where Did General Installation Requirements for receptacles, cord connectors, and attachment plugs Go?
- 1.40406.12 – Where Did General Installation Requirements for receptacles, cord connectors, and attachment plugs Go?1 Question
- 1.41406.14 – Where Did Receptacle Mounting Rules Go in the 2026 NEC?
- 1.42406.14 – Where Did Receptacle Mounting Rules Go in the 2026 NEC?1 Question
- 1.43406.16 – Did Receptacle Faceplate Rules Move?
- 1.44406.16 – Did Receptacle Faceplate Rules Move?1 Question
- 1.45406.18 – Where did the rules for Attachment Plugs and Connectors go in 2026?
- 1.46406.18 – Where did the rules for Attachment Plugs and Connectors go in 2026?1 Question
- 1.47406.19 – Where Did Grounding-Type Receptacle Rules Go? (Relocation to 406.19)
- 1.48406.19 – Where Did Grounding-Type Receptacle Rules Go? (Relocation to 406.19)1 Question
- 1.49406.26 – Where are Tamper-Resistant Receptacles Now Required?
- 1.50406.26 – Where are Tamper-Resistant Receptacles Now Required?1 Question
- 1.51406.28 – Where Did Single-Pole Separable Connectors Go? Understanding New Section 406.28
- 1.52406.28 – Where Did Single-Pole Separable Connectors Go? Understanding New Section 406.281 Question
- 1.53406.30 – Where Did the Neutral Rule Go? Relocation of Switch Connections
- 1.54406.30 – Where Did the Neutral Rule Go? Relocation of Switch Connections1 Question
- 1.55406.38 – Where Did the Switch Grouping Rule Go? Understanding New Section 406.38
- 1.56406.38 – Where Did the Switch Grouping Rule Go? Understanding New Section 406.381 Question
- 1.57406.40 – Switch Faceplates Relocated and Expanded to Include Dimmers and Control Switches
- 1.58406.40 – Switch Faceplates Relocated and Expanded to Include Dimmers and Control Switches1 Question
- 1.59406.9 – 406.9 includes switches now?
- 1.60406.9 – 406.9 includes switches now?1 Question
- 1.61408.10 – Where Did the Busbar Rules Go? A Move to 408.10
- 1.62408.10 – Where Did the Busbar Rules Go? A Move to 408.101 Question
- 1.63408.3 – New Rules for Reconditioned Equipment (Section 408.3)
- 1.64408.3 – New Rules for Reconditioned Equipment (Section 408.3)1 Question
- 1.65409.110 – SCCR Visibility and Marking Updates for Industrial Control Panels
- 1.66409.110 – SCCR Visibility and Marking Updates for Industrial Control Panels1 Question
- 1.67410.116 – Recessed Luminaire Clearances and Fire-Rated Installations
- 1.68410.116 – Recessed Luminaire Clearances and Fire-Rated Installations1 Question
- 1.69410.64 – Can Luminaires Be Used as Raceways?
- 1.70410.64 – Can Luminaires Be Used as Raceways?1 Question
- 1.71424.19 – How Have Disconnecting Means for Space Heating Changed?
- 1.72424.19 – How Have Disconnecting Means for Space Heating Changed?1 Question
- 1.73426.60 – How Does the 2026 NEC Address Conductive Pavement Heating?
- 1.74426.60 – How Does the 2026 NEC Address Conductive Pavement Heating?1 Question
- 1.75426.62 – Where are Conductive Pavement Heating Systems Prohibited?
- 1.76426.62 – Where are Conductive Pavement Heating Systems Prohibited?1 Question
- 1.77625.2 – How Have Listing Requirements for EV Equipment Changed?
- 1.78625.2 – How Have Listing Requirements for EV Equipment Changed?1 Question
- 1.79625.40 – Did the Exception for EV Branch Circuits Change in 2026?
- 1.80625.40 – Did the Exception for EV Branch Circuits Change in 2026?1 Question
- 1.81625.43 – Emergency Shutoffs and Expanded Disconnect Rules for EVSE
- 1.82625.43 – Emergency Shutoffs and Expanded Disconnect Rules for EVSE1 Question
- 1.83625.44 – New Plug Ratings and Voltage Options for EV Chargers
- 1.84625.44 – New Plug Ratings and Voltage Options for EV Chargers1 Question
- 1.85625.5 – Are You Labeling EVSE Correctly Under the New 2026 Rules?
- 1.86625.5 – Are You Labeling EVSE Correctly Under the New 2026 Rules?1 Question
- 1.87706.31 – Did the 2026 NEC Remove the Current-Limiting Requirement for ESS?
- 1.88706.31 – Did the 2026 NEC Remove the Current-Limiting Requirement for ESS?1 Question
- Theory and Calculations88
- 2.1110.10 – How has the focus of Section 110.10 shifted regarding Available Fault Current?
- 2.2110.10 – How has the focus of Section 110.10 shifted regarding Available Fault Current?1 Question
- 2.3110.14 – Are Your Compounds “Identified” or Just “Suitable”?
- 2.4110.14 – Are Your Compounds “Identified” or Just “Suitable”?1 Question
- 2.5110.16 – Arc-Flash Labels: From Generic Warnings to Detailed Markings
- 2.6110.16 – Arc-Flash Labels: From Generic Warnings to Detailed Markings1 Question
- 2.7110.21 – Updating References for Field-Applied Hazard Markings
- 2.8110.21 – Updating References for Field-Applied Hazard Markings1 Question
- 2.9110.24 – How Must Fault Current Labels Be Marked in 2026?
- 2.10110.24 – How Must Fault Current Labels Be Marked in 2026?1 Question
- 2.11110.26 – How Have Working Space Rules Changed for DC Systems and Enclosed Parts?
- 2.12110.26 – How Have Working Space Rules Changed for DC Systems and Enclosed Parts?1 Question
- 2.13110.31 – How have fence clearance requirements changed for High-Voltage DC systems?
- 2.14110.31 – How have fence clearance requirements changed for High-Voltage DC systems?1 Question
- 2.15120.41 – How are Dwelling Unit Load Calculations Changing in 2026?
- 2.16120.41 – How are Dwelling Unit Load Calculations Changing in 2026?1 Question
- 2.17130.1 – Why have Energy Management Systems moved to Chapter 1?
- 2.18130.1 – Why have Energy Management Systems moved to Chapter 1?1 Question
- 2.19130.2 – What are the New Listing Requirements for Energy Management Equipment?
- 2.20130.2 – What are the New Listing Requirements for Energy Management Equipment?1 Question
- 2.21130.60 – How must Power Control Systems (PCS) handle malfunctions under the 2026 NEC?
- 2.22130.60 – How must Power Control Systems (PCS) handle malfunctions under the 2026 NEC?1 Question
- 2.23130.70 – How Must Power Control System (PCS) Settings Be Configured?
- 2.24130.70 – How Must Power Control System (PCS) Settings Be Configured?1 Question
- 2.25210.11 – Are Small Appliance Circuits Now Strictly Dedicated?
- 2.26210.11 – Are Small Appliance Circuits Now Strictly Dedicated?1 Question
- 2.27210.12 – AFCI Updates: Welding Exceptions & Retrofit Flexibility
- 2.28210.12 – AFCI Updates: Welding Exceptions & Retrofit Flexibility1 Question
- 2.29210.14 – Where did the Specific-Purpose Branch Circuits Table go in the 2026 NEC?
- 2.30210.14 – Where did the Specific-Purpose Branch Circuits Table go in the 2026 NEC?1 Question
- 2.31210.17 – Do Dormitories With Cooking Provisions Require Dwelling Unit Branch Circuits?
- 2.32210.17 – Do Dormitories With Cooking Provisions Require Dwelling Unit Branch Circuits?1 Question
- 2.33210.19 – Where Did the Calculation Tables Go? Sizing Branch-Circuit Conductors
- 2.34210.19 – Where Did the Calculation Tables Go? Sizing Branch-Circuit Conductors1 Question
- 2.35210.52 – Where Can Receptacles Go? New Restrictions for Islands and Cabinets
- 2.36210.52 – Where Can Receptacles Go? New Restrictions for Islands and Cabinets1 Question
- 2.37210.8 – Updates to GFCI Requirements: Outdoor Outlets, HVAC, and High Frequencies
- 2.38210.8 – Updates to GFCI Requirements: Outdoor Outlets, HVAC, and High Frequencies1 Question
- 2.39215.18 – New SPD Requirements for Emergency Service Sleeping Quarters
- 2.40215.18 – New SPD Requirements for Emergency Service Sleeping Quarters1 Question
- 2.41240.4 – How Has Small Conductor Protection and OCPD Terminology Changed?
- 2.42240.4 – How Has Small Conductor Protection and OCPD Terminology Changed?1 Question
- 2.43240.67 – How has Arc Energy Reduction for Large Fuses been Updated?
- 2.44240.67 – How has Arc Energy Reduction for Large Fuses been Updated?1 Question
- 2.45240.87 – How Has Arc Energy Reduction Terminology Updated?
- 2.46240.87 – How Has Arc Energy Reduction Terminology Updated?1 Question
- 2.47242.1 – How Has the Scope of Article 242 Changed for DC Systems?
- 2.48242.1 – How Has the Scope of Article 242 Changed for DC Systems?1 Question
- 2.49242.54 – How have cross-references for surge arrester interconnections changed?
- 2.50242.54 – How have cross-references for surge arrester interconnections changed?1 Question
- 2.51250.122 – Restructured Rules for EGC Sizing and Citations
- 2.52250.122 – Restructured Rules for EGC Sizing and Citations1 Question
- 2.53268.31 – New Requirements for Service Conductor Sizing and Ampacity
- 2.54268.31 – New Requirements for Service Conductor Sizing and Ampacity1 Question
- 2.55268.42 – How are Medium Voltage Service Conductors Sized in the 2026 NEC?
- 2.56268.42 – How are Medium Voltage Service Conductors Sized in the 2026 NEC?1 Question
- 2.57270.122 – New Article 270: Sizing EGCs for Medium Voltage Systems
- 2.58270.122 – New Article 270: Sizing EGCs for Medium Voltage Systems1 Question
- 2.59270.166 – How are DC Grounding Electrode Conductors Sized in the 2026 NEC?
- 2.60270.166 – How are DC Grounding Electrode Conductors Sized in the 2026 NEC?1 Question
- 2.61270.66 – How Do You Size AC Grounding Electrode Conductors for Systems Over 1000V AC/1500V DC in 2026?
- 2.62270.66 – How Do You Size AC Grounding Electrode Conductors for Systems Over 1000V AC/1500V DC in 2026?1 Question
- 2.63310.16 – New Ampacities for Small Conductors and Copper-Clad Aluminum
- 2.64310.16 – New Ampacities for Small Conductors and Copper-Clad Aluminum1 Question
- 2.65406.46 – Have Switch Ratings Moved to Article 406?
- 2.66406.46 – Have Switch Ratings Moved to Article 406?1 Question
- 2.67422.11 – New Acronyms and Relocated Tables for Appliance Protection
- 2.68422.11 – New Acronyms and Relocated Tables for Appliance Protection1 Question
- 2.69525.24 – How has GFCI Protection for Carnivals and Fairs Changed?
- 2.70525.24 – How has GFCI Protection for Carnivals and Fairs Changed?1 Question
- 2.71555.35 – New Fire Pump Rules and GFPE Testing in Marinas
- 2.72555.35 – New Fire Pump Rules and GFPE Testing in Marinas1 Question
- 2.73625.42 – How has EVSE Load Management changed in the 2026 NEC?
- 2.74625.42 – How has EVSE Load Management changed in the 2026 NEC?1 Question
- 2.75680.10 – How has NEC 680.10 changed for Pool Heaters and Heat Pumps?
- 2.76680.10 – How has NEC 680.10 changed for Pool Heaters and Heat Pumps?1 Question
- 2.77680.75 – Does the 2026 NEC Change GFCI Rules for Hydromassage Tubs?
- 2.78680.75 – Does the 2026 NEC Change GFCI Rules for Hydromassage Tubs?1 Question
- 2.79700.32 – When is Re-Evaluation Required for Selective Coordination?
- 2.80700.32 – When is Re-Evaluation Required for Selective Coordination?1 Question
- 2.81700.5 – Where Did the Transfer Equipment Rules Go? (Restructuring 700.5)
- 2.82700.5 – Where Did the Transfer Equipment Rules Go? (Restructuring 700.5)1 Question
- 2.83701.5 – NEC 701.5: Capacity, Rating, and the Shift from Transfer Equipment
- 2.84701.5 – NEC 701.5: Capacity, Rating, and the Shift from Transfer Equipment1 Question
- 2.85722.171 – Where Did Fire Alarm Wiring Methods Go? New Section 722.171
- 2.86722.171 – Where Did Fire Alarm Wiring Methods Go? New Section 722.1711 Question
- 2.8790.2 – How Has the Scope of the NEC Been Reorganized for 2026?
- 2.8890.2 – How Has the Scope of the NEC Been Reorganized for 2026?1 Question
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