- 8 Sections
- 141 Lessons
- 52 Weeks
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- NEC 2023 - Article 100 Series30
- 1.1100 – Definitions
- 1.2100 – Definitions1 Question
- 1.3110.14(A) – Electrical Connections – Terminals
- 1.4110.14(A) – Electrical Connections – Terminals1 Question
- 1.5110.20 – Reconditioned Equipment
- 1.6110.20 – Reconditioned Equipment1 Question
- 1.7110.21 – Markings
- 1.8110.21 – Markings1 Question
- 1.9110.16(B) – Arc-Flash Hazard Warnings – Service Equipment
- 1.10110.16(B) – Arc-Flash Hazard Warnings – Service Equipment1 Question
- 1.11110.2(B) When Required
- 1.12110.2(B) When Required1 Question
- 1.13110.22(A) – Identification of Disconnecting Means
- 1.14110.22(A) – Identification of Disconnecting Means1 Question
- 1.15120.6 Process for Establishing and Verifying an Electrically Safe Work Condition
- 1.16120.6 Process for Establishing and Verifying an Electrically Safe Work Condition1 Question
- 1.17130.7(C)(5) Hearing Protection
- 1.18130.7(C)(5) Hearing Protection1 Question
- 1.19110.17 – Servicing and Maintenance of Equipment
- 1.20110.17 – Servicing and Maintenance of Equipment1 Question
- 1.21110.26 – Spaces About Electrical Equipment
- 1.22110.26 – Spaces About Electrical Equipment1 Question
- 1.23110.29 – In Sight From
- 1.24110.29 In Sight From1 Question
- 1.25110.3 – Examination, Identification, Installation, Use, and Listing (Product Certification) of Equipment.
- 1.26110.3 – Examination, Identification, Installation, Use, and Listing (Product Certification) of Equipment.1 Question
- 1.27110.3(I) Job Safety Planning and Job Briefing
- 1.28110.3(I) Job Safety Planning and Job Briefing1 Question
- 1.29110.33(A) and 110.34(A)
- 1.30110.33(A) and 110.34(A)1 Question
- NEC 2023 - Article 200 Series42
- 2.1210.17 Guest Rooms and Guest Suites
- 2.2210.17 Guest Rooms and Guest Suites1 Question
- 2.3215.18 Surge Protection
- 2.4215.18 Surge Protection1 Question
- 2.5225.41 Emergency Disconnects
- 2.6225.41 Emergency Disconnects1 Question
- 2.7230.67 Surge Protection
- 2.8230.67 Surge Protection1 Question
- 2.9Article 235 – Branch Circuits, Feeders and Services over 1000 Volts AC, 1500 Volts DC, Nominal
- 2.10Article 235 – Branch Circuits, Feeders and Services over 1000 Volts AC, 1500 Volts DC, Nominal1 Question
- 2.11240.2 Reconditioned Equipment
- 2.12240.2 Reconditioned Equipment1 Question
- 2.13Article 245 – Overcurrent Protection over 1000 Volts AC, 1500 Volts DC
- 2.14Article 245 – Overcurrent Protection over 1000 Volts AC, 1500 Volts DC1 Question
- 2.15210.11(C)(4) Garage Branch Circuits
- 2.16210.11(C)(4) Garage Branch Circuits1 Question
- 2.17210.52(G) Basements, Garages, and Accessory Buildings
- 2.18210.52(G) Basements, Garages, and Accessory Buildings1 Question
- 2.19240.24(A) and (E) – Location in or on Premises
- 2.20240.24(A) and (E) – Location in or on Premises1 Question
- 2.21250.130 – Equipment Grounding Conductor Connections
- 2.22250.130 – Equipment Grounding Conductor Connections1 Question
- 2.23250.140 – Frames of Ranges and Clothes Dryers
- 2.24250.140 – Frames of Ranges and Clothes Dryers1 Question
- 2.25250.148 – Continuity of Equipment Grounding Conductors and Attachment in Boxes
- 2.26250.148 – Continuity of Equipment Grounding Conductors and Attachment in Boxes1 Question
- 2.27250.36 – Impedance Grounded Systems
- 2.28250.36 – Impedance Grounded Systems1 Question
- 2.29250.70 – Grounding and Bonding Conductor Connection to Electrodes
- 2.30250.70 – Grounding and Bonding Conductor Connection to Electrodes1 Question
- 2.31210.8(B) Other Than Dwelling Units
- 2.32210.8(B) Other Than Dwelling Units1 Question
- 2.33210.8(F) Outdoor Outlets.
- 2.34210.8(F) Outdoor Outlets.1 Question
- 2.35242.2 and 242.9 – Surge Protective Devices
- 2.36242.2 and 242.9 – Surge Protective Devices1 Question
- 2.37250.24(D) – Grounded Conductor Brought to Service Equipment
- 2.38250.24(D) – Grounded Conductor Brought to Service Equipment1 Question
- 2.39230.85 Emergency Disconnects
- 2.40230.85 Emergency Disconnects1 Question
- 2.41250.64(G) – Enclosures with Ventilation Openings
- 2.42250.64(G) – Enclosures with Ventilation Openings1 Question
- NEC 2023 - Article 300 Series44
- 3.1315.17 Marking for Type Medium Voltage Cable Joints, and Terminations
- 3.2315.17 Marking for Type Medium Voltage Cable Joints, and Terminations1 Question
- 3.3315.32 Uses Permitted for Type Medium Voltage Cables, Cable Joints, and Terminations
- 3.4315.32 Uses Permitted for Type Medium Voltage Cables, Cable Joints, and Terminations1 Question
- 3.5369.10 Uses Permitted for Insulated Bus Pipe (IBP) Systems
- 3.6369.10 Uses Permitted for Insulated Bus Pipe (IBP) Systems1 Question
- 3.7369.120 Marking Insulated Bus Pipe (IBP) Systems
- 3.8369.120 Marking Insulated Bus Pipe (IBP) Systems1 Question
- 3.9371.17 Overcurrent Protection of Flexible Bus System
- 3.10371.17 Overcurrent Protection of Flexible Bus System1 Question
- 3.11371.30 Securing and Supporting
- 3.12371.30 Securing and Supporting1 Question
- 3.13398.15 Exposed Work
- 3.14398.15 Exposed Work1 Question
- 3.15300.3 (C) Conductors of Different Systems
- 3.16300.3 (C) Conductors of Different Systems1 Question
- 3.17300.11(C) Raceways Used as Means of Support
- 3.18300.11(C) Raceways Used as Means of Support1 Question
- 3.19320.3(A)(1) Electrical Hazard Thresholds.
- 3.20320.3(A)(1) Electrical Hazard Thresholds.10 Minutes1 Question
- 3.21371.10 and 371.12 Uses Permitted and Not Permitted
- 3.22371.10 and 371.12 Uses Permitted and Not Permitted1 Question
- 3.23315.44 & 315.45 Shielding Requirements for Medium Voltage Equipment
- 3.24315.44 & 315.45 Shielding Requirements for Medium Voltage Equipment1 Question
- 3.25312.10 Screws or Other Fasteners
- 3.26312.10 Screws or Other Fasteners1 Question
- 3.27314.16 Box Fill Calculations
- 3.28314.16 Box Fill Calculations1 Question
- 3.29314.29 Boxes, Conduit Bodies, and Handhole Enclosures to Be Accessible
- 3.30314.29 Boxes, Conduit Bodies, and Handhole Enclosures to Be Accessible1 Question
- 3.31314.5 Screws or Other Fasteners
- 3.32314.5 Screws or Other Fasteners1 Question
- 3.33320.23 In Accessible Attics
- 3.34320.23 In Accessible Attics1 Question
- 3.35334.10 Uses Permitted
- 3.36334.10 Uses Permitted1 Question
- 3.37334.15 (B) Protection from Physical Damage
- 3.38334.15 (B) Protection from Physical Damage1 Question
- 3.39352.10 Uses Permitted for Rigid Polyvinyl Chloride Conduits
- 3.40352.10 Uses Permitted for Rigid Polyvinyl Chloride Conduits1 Question
- 3.41352.44 Expansion Fittings
- 3.42352.44 Expansion Fittings1 Question
- 3.43356.10 Uses Permitted
- 3.44356.10 Uses Permitted1 Question
- NEC 2023 - Article 400 Series40
- 4.1404.16 Reconditioned Equipment
- 4.2404.16 Reconditioned Equipment1 Question
- 4.3406.12 Tamper-Resistant Receptacles.
- 4.4406.12 Tamper-Resistant Receptacles.1 Question
- 4.5408.4 Descriptions Required
- 4.6408.4 Descriptions Required1 Question
- 4.7408.9 Replacement Panelboards
- 4.8408.9 Replacement Panelboards1 Question
- 4.9409.70 Surge Protection
- 4.10409.70 Surge Protection1 Question
- 4.11410.197 Germicidal Irradiation Systems
- 4.12410.197 Germicidal Irradiation Systems1 Question
- 4.13410.71(1) General
- 4.14410.71(1) General1 Question
- 4.15430.2 Reconditioned Motors
- 4.16430.2 Reconditioned Motors1 Question
- 4.17445.19 Emergency Shutdown of Prime Mover
- 4.18445.19 Emergency Shutdown of Prime Mover1 Question
- 4.19470.2 Reconditioned Equipment
- 4.20470.2 Reconditioned Equipment1 Question
- 4.21406.6(D) Receptacle Faceplate (Cover Plates) With Integral Night Light and/or USB Charger
- 4.22406.6(D) Receptacle Faceplate (Cover Plates) With Integral Night Light and/or USB Charger1 Question
- 4.23410.184 Ground-Fault Circuit-Interrupter (GFCI) Protection and Special Purpose Ground-Fault Circuit-Interrupter (SPGFCI) Protection
- 4.24410.184 Ground-Fault Circuit-Interrupter (GFCI) Protection and Special Purpose Ground-Fault Circuit-Interrupter (SPGFCI) Protection1 Question
- 4.25406.4(D) Receptacle Replacements
- 4.26406.4(D) Receptacle Replacements1 Question
- 4.27406.9 (C) Bathtub and Shower Space
- 4.28406.9 (C) Bathtub and Shower Space1 Question
- 4.29404.30 Switch Enclosures with Doors
- 4.30404.30 Switch Enclosures with Doors1 Question
- 4.31408.38 Enclosure
- 4.32408.38 Enclosure1 Question
- 4.33410.10 Luminaires in Specific Locations
- 4.34410.10 Luminaires in Specific Locations1 Question
- 4.35410.195 Locations Not Permitted
- 4.36410.195 Locations Not Permitted1 Question
- 4.37424.48 Installation of Cables in Walls
- 4.38424.48 Installation of Cables in Walls1 Question
- 4.39424.93 Installation of Electric Radiant Heating Panels and Heating Panel Sets
- 4.40424.93 Installation of Electric Radiant Heating Panels and Heating Panel Sets1 Question
- NEC 2023 - Article 500 Series34
- 5.1501.30 Grounding and Bonding
- 5.2501.30 Grounding and Bonding1 Question
- 5.3502.30 Grounding and Bonding
- 5.4502.30 Grounding and Bonding1 Question
- 5.5511.7(A) Wiring in Spaces Above Hazardous (Classified) Locations
- 5.6511.7(A) Wiring in Spaces Above Hazardous (Classified) Locations1 Question
- 5.7512.13 Wiring Installed Above Hazardous (Classified) Locations
- 5.8512.13 Wiring Installed Above Hazardous (Classified) Locations1 Question
- 5.9517.13 Equipment Grounding Conductor for Receptacles and Fixed Electrical Equipment in Patient Care Spaces1 Question
- 5.10517.13 Equipment Grounding Conductor for Receptacles and Fixed Electrical Equipment in Patient Care Spaces
- 5.11517.14 Panelboard Bonding
- 5.12517.14 Panelboard Bonding1 Question
- 5.13517.30(B) Power Sources for the EES
- 5.14517.30(B) Power Sources for the EES1 Question
- 5.15518.4 Wiring Methods
- 5.16518.4 Wiring Methods1 Question
- 5.17518.5 Supply
- 5.18518.5 Supply1 Question
- 5.19547.44 Equipotential Planes and Bonding of Equipotential Planes
- 5.20547.44 Equipotential Planes and Bonding of Equipotential Planes1 Question
- 5.21547.26 Physical Protection
- 5.22547.26 Physical Protection1 Question
- 5.23500.5 (D) Classifications of Locations
- 5.24500.5 (D) Classifications of Locations1 Question
- 5.25512.3(A) Cannabis Oil Equipment and Systems Other Than Booths
- 5.26512.3(A) Cannabis Oil Equipment and Systems Other Than Booths1 Question
- 5.27512.3(B) Cannabis Oil Booths
- 5.28512.3(B) Cannabis Oil Booths1 Question
- 5.29551.3 Electrical Datum Plane Distances
- 5.30551.3 Electrical Datum Plane Distances1 Question
- 5.31551.40 120-Volt or 120/240-Volt, Nominal, Systems1 Question
- 5.32551.40 120-Volt or 120/240-Volt, Nominal, Systems
- 5.33555.14 Equipotential Planes and Bonding of Equipotential Planes
- 5.34555.14 Equipotential Planes and Bonding of Equipotential Planes1 Question
- NEC 2023 - Article 600 Series56
- 6.1600.6 – Disconnects
- 6.2600.6 – Disconnects1 Question
- 6.3600.35 – Retrofit Kits
- 6.4600.35 – Retrofit Kits1 Question
- 6.5625.40 Electric Vehicle Branch Circuit
- 6.6625.40 Electric Vehicle Branch Circuit1 Question
- 6.7625.49 – Island Mode
- 6.8625.49 – Island Mode1 Question
- 6.9625.6 – Listed
- 6.10625.6 – Listed1 Question
- 6.11630.8 – Electric Welders
- 6.12630.8 – Electric Welders1 Question
- 6.13690.1 New illustration to help understand PV components
- 6.14690.1 New illustration to help understand PV components1 Question
- 6.15690.12 – Rapid Shutdown Requirements
- 6.16690.12 – Rapid Shutdown Requirements1 Question
- 6.17690.15 – Disconnecting Means for Isolating Photovoltaic Equipment
- 6.18690.15 – Disconnecting Means for Isolating Photovoltaic Equipment1 Question
- 6.19690.56 – Identification of Power Sources
- 6.20690.56 – Identification of Power Sources1 Question
- 6.21691.4 Special Requirements for Large-Scale PV Electric Supply Stations
- 6.22691.4 Special Requirements for Large-Scale PV Electric Supply Stations1 Question
- 6.23600.5(A) – Branch Circuits
- 6.24600.5(A) – Branch Circuits1 Question
- 6.25620.12(A) – Traveling Cables
- 6.26620.12(A) – Traveling Cables1 Question
- 6.27690.4(G) – PV Equipment Floating on Bodies of Water
- 6.28690.4(G) – PV Equipment Floating on Bodies of Water1 Question
- 6.29620.6 – GFCI Protection for Personnel
- 6.30620.6 – GFCI Protection for Personnel1 Question
- 6.31680.32 – GFCI and SPGFCI Protection
- 6.32680.32 – GFCI and SPGFCI Protection1 Question
- 6.33680.44 – GFCI & SPGFCI Protection
- 6.34680.44 – GFCI & SPGFCI Protection1 Question
- 6.35680.5 – GFCI and SPGFCI Protection
- 6.36680.5 – GFCI and SPGFCI Protection1 Question
- 6.37690.43 – Equipment Grounding and Bonding
- 6.38690.43 – Equipment Grounding and Bonding1 Question
- 6.39690.31 – Wiring Methods
- 6.40690.31 – Wiring Methods1 Question
- 6.41680.26(B)(2) – Equipotential Bonding – Perimeter Surfaces
- 6.42680.26(B)(2) – Equipotential Bonding – Perimeter Surfaces1 Question
- 6.43680.21(D) – Pool Pump Motor Replacement
- 6.44680.21(D) – Pool Pump Motor Replacement1 Question
- 6.45680.54(C) – Equipotential Bonding of Splash Pads
- 6.46680.54(C) – Equipotential Bonding of Splash Pads1 Question
- 6.47620.36 – Different Systems in One Raceway or Traveling Cable.
- 6.48620.36 – Different Systems in One Raceway or Traveling Cable.1 Question
- 6.49646.19 – Entrance to and Egress from Working Space
- 6.50646.19 – Entrance to and Egress from Working Space1 Question
- 6.51680.12 – Equipment Rooms, Vaults, and Pits
- 6.52680.12 – Equipment Rooms, Vaults, and Pits1 Question
- 6.53680.14 Corrosive Environments
- 6.54680.14 Corrosive Environments1 Question
- 6.55680.41 – Location of Other Equipment
- 6.56680.41 – Location of Other Equipment1 Question
- NEC 2023 - Article 700 Series28
- 7.1700.11 Wiring, Class-2-Powered Emergency Lighting Systems
- 7.2700.11 Wiring, Class-2-Powered Emergency Lighting Systems1 Question
- 7.3700.12(E) Stored-Energy Power Supply Systems (SEPSS)
- 7.4700.12(E) Stored-Energy Power Supply Systems (SEPSS)1 Question
- 7.5700.27 Class 2 Powered Emergency Lighting Systems
- 7.6700.27 Class 2 Powered Emergency Lighting Systems1 Question
- 7.7700.32 Selective Coordination
- 7.8700.32 Selective Coordination1 Question
- 7.9700.3(F) Temporary Source of Power for Maintenance or Repair of the Alternate Source of Power
- 7.10700.3(F) Temporary Source of Power for Maintenance or Repair of the Alternate Source of Power1 Question
- 7.11701.10 Wiring Legally Required Standby Systems
- 7.12701.10 Wiring Legally Required Standby Systems1 Question
- 7.13701.4(C) Load Management
- 7.14701.4(C) Load Management1 Question
- 7.15705.10 Identification of Power Sources
- 7.16705.10 Identification of Power Sources1 Question
- 7.17706.7 Commissioning and Maintenance
- 7.18706.7 Commissioning and Maintenance1 Question
- 7.19726.121 Power Sources for Class 4 Circuits
- 7.20726.121 Power Sources for Class 4 Circuits1 Question
- 7.21726.122 Class 4 Loads
- 7.22726.122 Class 4 Loads1 Question
- 7.23726.124 Class 4 Marking
- 7.24726.124 Class 4 Marking1 Question
- 7.25726.130 Terminals and Connectors
- 7.26726.130 Terminals and Connectors1 Question
- 7.27700.12(G) Microgrid Systems
- 7.28700.12(G) Microgrid Systems1 Question
- NEC 2023 - Article 800 Series8
- 8.1800.133 – Installation of Wires, Cables, Cable Routing Assemblies, and Communications Raceways
- 8.2800.133 – Installation of Wires, Cables, Cable Routing Assemblies, and Communications Raceways1 Question
- 8.3800.170 – Plenum Cable Ties
- 8.4800.170 – Plenum Cable Ties1 Question
- 8.5800.179 – Wires and Cables
- 8.6800.179 – Wires and Cables1 Question
- 8.7800.3 – Other Articles
- 8.8800.3 – Other Articles1 Question
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