- 4 Sections
- 140 Lessons
- 52 Weeks
Expand all sectionsCollapse all sections
- NEC 2023 Code Changes Update84
- 1.1100 – Definitions
- 1.2100 – Definitions1 Question
- 1.3110.20 – Reconditioned Equipment
- 1.4110.20 – Reconditioned Equipment1 Question
- 1.5110.2(B) When Required
- 1.6110.2(B) When Required1 Question
- 1.7110.14(A) – Electrical Connections – Terminals
- 1.8110.14(A) – Electrical Connections – Terminals1 Question
- 1.9110.16(B) – Arc-Flash Hazard Warnings – Service Equipment
- 1.10110.16(B) – Arc-Flash Hazard Warnings – Service Equipment1 Question
- 1.11110.26 – Spaces About Electrical Equipment
- 1.12110.26 – Spaces About Electrical Equipment1 Question
- 1.13110.3(I) Job Safety Planning and Job Briefing
- 1.14110.3(I) Job Safety Planning and Job Briefing1 Question
- 1.15110.3 – Examination, Identification, Installation, Use, and Listing (Product Certification) of Equipment.
- 1.16110.3 – Examination, Identification, Installation, Use, and Listing (Product Certification) of Equipment.1 Question
- 1.17120.6 Process for Establishing and Verifying an Electrically Safe Work Condition
- 1.18120.6 Process for Establishing and Verifying an Electrically Safe Work Condition1 Question
- 1.19130.7(C)(5) Hearing Protection
- 1.20130.7(C)(5) Hearing Protection1 Question
- 1.21210.11(C)(4) Garage Branch Circuits
- 1.22210.11(C)(4) Garage Branch Circuits1 Question
- 1.23210.17 Guest Rooms and Guest Suites
- 1.24210.17 Guest Rooms and Guest Suites1 Question
- 1.25210.19 Conductors – Minimum Ampacity and Size
- 1.26210.19 Conductors – Minimum Ampacity and Size1 Question
- 1.27210.52(G) Basements, Garages, and Accessory Buildings
- 1.28210.52(G) Basements, Garages, and Accessory Buildings1 Question
- 1.29220.1 Scope
- 1.30220.1 Scope1 Question
- 1.31220.5(C) Floor Areas
- 1.32220.5(C) Floor Areas1 Question
- 1.33220.57 Electric Vehicle Supply Equipment
- 1.34220.57 Electric Vehicle Supply Equipment1 Question
- 1.35225.41 Emergency Disconnects
- 1.36225.41 Emergency Disconnects1 Question
- 1.37230.85 Emergency Disconnects
- 1.38230.85 Emergency Disconnects1 Question
- 1.39240.11 Selective Coordination
- 1.40240.11 Selective Coordination1 Question
- 1.41240.24(A) and (E) – Location in or on Premises
- 1.42240.24(A) and (E) – Location in or on Premises1 Question
- 1.43250.64(G) – Enclosures with Ventilation Openings
- 1.44250.64(G) – Enclosures with Ventilation Openings1 Question
- 1.45314.16 Box Fill Calculations
- 1.46314.16 Box Fill Calculations1 Question
- 1.47314.24 Dimensions of Boxes
- 1.48314.24 Dimensions of Boxes1 Question
- 1.49315.32 Uses Permitted for Type Medium Voltage Cables, Cable Joints, and Terminations
- 1.50315.32 Uses Permitted for Type Medium Voltage Cables, Cable Joints, and Terminations1 Question
- 1.51315.44 & 315.45 Shielding Requirements for Medium Voltage Equipment
- 1.52315.44 & 315.45 Shielding Requirements for Medium Voltage Equipment1 Question
- 1.53320.3(A)(1) Electrical Hazard Thresholds.
- 1.54320.3(A)(1) Electrical Hazard Thresholds.10 Minutes1 Question
- 1.55352.10 Uses Permitted for Rigid Polyvinyl Chloride Conduits
- 1.56352.10 Uses Permitted for Rigid Polyvinyl Chloride Conduits1 Question
- 1.57371.17 Overcurrent Protection of Flexible Bus System
- 1.58371.17 Overcurrent Protection of Flexible Bus System1 Question
- 1.59371.18 Flexible Bus Systems Installation
- 1.60371.18 Flexible Bus Systems Installation1 Question
- 1.61404.14 Rating and Use of Switches
- 1.62404.14 Rating and Use of Switches1 Question
- 1.63404.16 Reconditioned Equipment
- 1.64404.16 Reconditioned Equipment1 Question
- 1.65404.30 Switch Enclosures with Doors
- 1.66404.30 Switch Enclosures with Doors1 Question
- 1.67406.4(D) Receptacle Replacements
- 1.68406.4(D) Receptacle Replacements1 Question
- 1.69406.12 Tamper-Resistant Receptacles.
- 1.70406.12 Tamper-Resistant Receptacles.1 Question
- 1.71406.3 Receptacle Rating and Type
- 1.72406.3 Receptacle Rating and Type1 Question
- 1.73408.9 Replacement Panelboards
- 1.74408.9 Replacement Panelboards1 Question
- 1.75410.184 Ground-Fault Circuit-Interrupter (GFCI) Protection and Special Purpose Ground-Fault Circuit-Interrupter (SPGFCI) Protection
- 1.76410.184 Ground-Fault Circuit-Interrupter (GFCI) Protection and Special Purpose Ground-Fault Circuit-Interrupter (SPGFCI) Protection1 Question
- 1.77410.195 Locations Not Permitted
- 1.78410.195 Locations Not Permitted1 Question
- 1.79422.18 Ceiling-Suspended (Paddle) Fans
- 1.80422.18 Ceiling-Suspended (Paddle) Fans1 Question
- 1.81430.2 Reconditioned Motors
- 1.82430.2 Reconditioned Motors1 Question
- 1.83445.19 Emergency Shutdown of Prime Mover
- 1.84445.19 Emergency Shutdown of Prime Mover1 Question
- 2023 NEC changes (Part 1), sections 100 and 30056
- 2.1110.17 – Servicing and Maintenance of Equipment
- 2.2110.17 – Servicing and Maintenance of Equipment1 Question
- 2.3110.21 – Markings
- 2.4110.21 – Markings1 Question
- 2.5110.29 – In Sight From
- 2.6110.29 – In Sight From1 Question
- 2.7110.22(A) – Identification of Disconnecting Means
- 2.8110.22(A) – Identification of Disconnecting Means1 Question
- 2.9110.33(A) and 110.34(A)
- 2.10110.33(A) and 110.34(A)1 Question
- 2.11210.23 Permissible Loads, Multiple-Outlet Branch Circuits
- 2.12210.23 Permissible Loads, Multiple-Outlet Branch Circuits1 Question
- 2.13210.70 Lighting Outlets Required
- 2.14210.70 Lighting Outlets Required1 Question
- 2.15210.52(C) Island and Peninsular Countertops and Work Surfaces
- 2.16210.52(C) Island and Peninsular Countertops and Work Surfaces1 Question
- 2.17210.8(B) Other Than Dwelling Units
- 2.18210.8(B) Other Than Dwelling Units1 Question
- 2.19215.15 Barriers
- 2.20215.15 Barriers1 Question
- 2.21215.18 Surge Protection
- 2.22215.18 Surge Protection1 Question
- 2.23220.110 Receptacle Loads
- 2.24220.110 Receptacle Loads1 Question
- 2.25220.120 Marinas, Boatyards, Floating Buildings, And Commercial and Noncommercial Docking Facilities
- 2.26220.120 Marinas, Boatyards, Floating Buildings, And Commercial and Noncommercial Docking Facilities1 Question
- 2.27220.70 Energy Management Systems (EMSs)
- 2.28220.70 Energy Management Systems (EMSs)1 Question
- 2.29230.67 Surge Protection
- 2.30230.67 Surge Protection1 Question
- 2.31230.71(B) Two to Six Disconnecting Means
- 2.32230.71(B) Two to Six Disconnecting Means1 Question
- 2.33240.2 Reconditioned Equipment
- 2.34240.2 Reconditioned Equipment1 Question
- 2.35240.4(D)(3) 14 AWG Copper-Clad Aluminum
- 2.36240.4(D)(3) 14 AWG Copper-Clad Aluminum1 Question
- 2.37Table 240.6(A) Standard Ampere Ratings for Fuses and Inverse Time Circuit Breakers
- 2.38Table 240.6(A) Standard Ampere Ratings for Fuses and Inverse Time Circuit Breakers1 Question
- 2.39Table 240.6(D) Remotely Accessible Adjustable-Trip Circuit Breakers
- 2.40Table 240.6(D) Remotely Accessible Adjustable-Trip Circuit Breakers1 Question
- 2.41242.2 and 242.9 – Surge Protective Devices
- 2.42242.2 and 242.9 – Surge Protective Devices1 Question
- 2.43Article 235 – Branch Circuits, Feeders and Services over 1000 Volts AC, 1500 Volts DC, Nominal
- 2.44Article 235 – Branch Circuits, Feeders and Services over 1000 Volts AC, 1500 Volts DC, Nominal1 Question
- 2.45250.130 – Equipment Grounding Conductor Connections
- 2.46250.130 – Equipment Grounding Conductor Connections1 Question
- 2.47250.140 – Frames of Ranges and Clothes Dryers
- 2.48250.140 – Frames of Ranges and Clothes Dryers1 Question
- 2.49250.148 – Continuity of Equipment Grounding Conductors and Attachment in Boxes
- 2.50250.148 – Continuity of Equipment Grounding Conductors and Attachment in Boxes1 Question
- 2.51250.36 – Impedance Grounded Systems
- 2.52250.36 – Impedance Grounded Systems1 Question
- 2.53250.70 – Grounding and Bonding Conductor Connection to Electrodes
- 2.54250.70 – Grounding and Bonding Conductor Connection to Electrodes1 Question
- 2.55250.24(D) – Grounded Conductor Brought to Service Equipment
- 2.56250.24(D) – Grounded Conductor Brought to Service Equipment1 Question
- 2023 NEC changes (Part 2), sections 310 and 50070
- 3.1312.10 Screws or Other Fasteners
- 3.2312.10 Screws or Other Fasteners1 Question
- 3.3314.5 Screws or Other Fasteners
- 3.4314.5 Screws or Other Fasteners1 Question
- 3.5314.29 Boxes, Conduit Bodies, and Handhole Enclosures to Be Accessible
- 3.6314.29 Boxes, Conduit Bodies, and Handhole Enclosures to Be Accessible1 Question
- 3.7320.23 Inaccessible Attics
- 3.8320.23 In Accessible Attics1 Question
- 3.9334.10 Uses Permitted
- 3.10334.10 Uses Permitted1 Question
- 3.11334.15 (B) Protection from Physical Damage
- 3.12334.15 (B) Protection from Physical Damage1 Question
- 3.13352.10 Uses Permitted for Rigid Polyvinyl Chloride Conduits
- 3.14352.10 Uses Permitted for Rigid Polyvinyl Chloride Conduits1 Question
- 3.15352.44 Expansion Fittings
- 3.16352.44 Expansion Fittings.1 Question
- 3.17356.10 Uses Permitted
- 3.18356.10 Uses Permitted1 Question
- 3.19369.10 Uses Permitted for Insulated Bus Pipe (IBP) Systems
- 3.20369.10 Uses Permitted for Insulated Bus Pipe (IBP) Systems1 Question
- 3.21371.10 and 371.12 Uses Permitted and Not Permitted
- 3.22371.10 and 371.12 Uses Permitted and Not Permitted1 Question
- 3.23398.15 Exposed Work
- 3.24398.15 Exposed Work1 Question
- 3.25406.6(D) Receptacle Faceplate (Cover Plates) With Integral Night Light and/or USB Charger
- 3.26406.6(D) Receptacle Faceplate (Cover Plates) With Integral Night Light and/or USB Charger1 Question
- 3.27406.9 (C) Bathtub and Shower Space
- 3.28406.9 (C) Bathtub and Shower Space1 Question
- 3.29408.4 Descriptions Required
- 3.30408.4 Descriptions Required1 Question
- 3.31408.38 Enclosure
- 3.32408.38 Enclosure1 Question
- 3.33409.70 Surge Protection
- 3.34409.70 Surge Protection1 Question
- 3.35410.10 Luminaires in Specific Locations
- 3.36410.10 Luminaires in Specific Locations1 Question
- 3.37410.71(1) General
- 3.38410.71(1) General1 Question
- 3.39410.197 Germicidal Irradiation Systems
- 3.40410.197 Germicidal Irradiation Systems1 Question
- 3.41424.48 Installation of Cables in Walls
- 3.42424.48 Installation of Cables in Walls1 Question
- 3.43424.93 Installation of Electric Radiant Heating Panels and Heating Panel Sets
- 3.44424.93 Installation of Electric Radiant Heating Panels and Heating Panel Sets1 Question
- 3.45430.6 Conductor Ampacity and Motor Rating Determination
- 3.46430.6 Conductor Ampacity and Motor Rating Determination1 Question
- 3.47440.8 Single Machine and Location
- 3.48440.8 Single Machine and Location1 Question
- 3.49501.30 Grounding and Bonding
- 3.50501.30 Grounding and Bonding1 Question
- 3.51502.30 Grounding and Bonding
- 3.52502.30 Grounding and Bonding1 Question
- 3.53511.7(A) Wiring in Spaces Above Hazardous (Classified) Locations
- 3.54511.7(A) Wiring in Spaces Above Hazardous (Classified) Locations1 Question
- 3.55512.13 Wiring Installed Above Hazardous (Classified) Locations
- 3.56512.13 Wiring Installed Above Hazardous (Classified) Locations1 Question
- 3.57512.20 Equipment and Systems
- 3.58512.20 Equipment and Systems1 Question
- 3.59517.13 Equipment Grounding Conductor for Receptacles and Fixed Electrical Equipment in Patient Care Spaces
- 3.60517.13 Equipment Grounding Conductor for Receptacles and Fixed Electrical Equipment in Patient Care Spaces1 Question
- 3.61517.14 Panelboard Bonding
- 3.62517.14 Panelboard Bonding1 Question
- 3.63517.30(B) Power Sources for the EES
- 3.64517.30(B) Power Sources for the EES1 Question
- 3.65518.4 Wiring Methods
- 3.66518.4 Wiring Methods1 Question
- 3.67518.5 Supply
- 3.68518.5 Supply1 Question
- 3.69547.26 Physical Protection
- 3.70547.26 Physical Protection1 Question
- 2023 NEC changes (Part 3), sections 600 and 80070
- 4.1600.35 – Retrofit Kits
- 4.2600.35 – Retrofit Kits1 Question
- 4.3600.6 – Disconnects
- 4.4600.6 – Disconnects1 Question
- 4.5620.36 – Different Systems in One Raceway or Traveling Cable.
- 4.6620.36 – Different Systems in One Raceway or Traveling Cable.1 Question
- 4.7620.6 – GFCI Protection for Personnel
- 4.8620.6 – GFCI Protection for Personnel1 Question
- 4.9625.40 Electric Vehicle Branch Circuit
- 4.10625.40 Electric Vehicle Branch Circuit1 Question
- 4.11625.42 Rating
- 4.12625.42 Rating1 Question
- 4.13625.49 – Island Mode
- 4.14625.49 – Island Mode1 Question
- 4.15625.6 – Listed
- 4.16625.6 – Listed1 Question
- 4.17630.8 – Electric Welders
- 4.18630.8 – Electric Welders1 Question
- 4.19646.19 – Entrance to and Egress from Working Space
- 4.20646.19 – Entrance to and Egress from Working Space1 Question
- 4.21680.10 – Pool Water Temperature Conditioning Equipment
- 4.22680.10 – Pool Water Temperature Conditioning Equipment1 Question
- 4.23680.12 – Equipment Rooms, Vaults, and Pits
- 4.24680.12 – Equipment Rooms, Vaults, and Pits1 Question
- 4.25680.14 Corrosive Environments
- 4.26680.14 Corrosive Environments1 Question
- 4.27680.32 – GFCI and SPGFCI Protection
- 4.28680.32 – GFCI and SPGFCI Protection1 Question
- 4.29680.44 – GFCI & SPGFCI Protection
- 4.30680.44 – GFCI & SPGFCI Protection1 Question
- 4.31680.5 – GFCI and SPGFCI Protection
- 4.32680.5 – GFCI and SPGFCI Protection1 Question
- 4.33680.21(D) – Pool Pump Motor Replacement
- 4.34680.21(D) – Pool Pump Motor Replacement1 Question
- 4.35680.26(B)(2) – Equipotential Bonding – Perimeter Surfaces
- 4.36680.26(B)(2) – Equipotential Bonding – Perimeter Surfaces1 Question
- 4.37680.41 – Location of Other Equipment
- 4.38680.41 – Location of Other Equipment1 Question
- 4.39680.9(A) – Wiring in Raceways
- 4.40680.9(A) – Wiring in Raceways1 Question
- 4.41700.11 Wiring, Class-2-Powered Emergency Lighting Systems
- 4.42700.11 Wiring, Class-2-Powered Emergency Lighting Systems1 Question
- 4.43700.27 Class 2 Powered Emergency Lighting Systems
- 4.44700.27 Class 2 Powered Emergency Lighting Systems1 Question
- 4.45700.32 Selective Coordination
- 4.46700.32 Selective Coordination1 Question
- 4.47700.4 Capacity and Rating
- 4.48700.4 Capacity and Rating1 Question
- 4.49701.10 Wiring Legally Required Standby Systems
- 4.50701.10 Wiring Legally Required Standby Systems1 Question
- 4.51702.12 Outdoor Generator Sets
- 4.52702.12 Outdoor Generator Sets1 Question
- 4.53702.5 Interconnection or Transfer Equipment
- 4.54702.5 Interconnection or Transfer Equipment1 Question
- 4.55705.10 Identification of Power Sources
- 4.56705.10 Identification of Power Sources1 Question
- 4.57705.30 Overcurrent Protection
- 4.58705.30 Overcurrent Protection1 Question
- 4.59705.50 System Operation
- 4.60705.50 System Operation1 Question
- 4.61706.7 Commissioning and Maintenance
- 4.62706.7 Commissioning and Maintenance1 Question
- 4.63701.4 (D) Parallel Operation
- 4.64701.4 (D) Parallel Operation1 Question
- 4.65701.4(C) Load Management
- 4.66701.4(C) Load Management1 Question
- 4.67800.133 – Installation of Wires, Cables, Cable Routing Assemblies, and Communications Raceways
- 4.68800.133 – Installation of Wires, Cables, Cable Routing Assemblies, and Communications Raceways1 Question
- 4.69800.170 – Plenum Cable Ties
- 4.70800.170 – Plenum Cable Ties1 Question
800.170 – Plenum Cable Ties
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