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NFPA 70, National Electrical Code Ready Reference Cards

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NECRCAR

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Access essential NEC tables and content quickly from anywhere with NEC Reference Cards.

It’s vital that electrical professionals follow NFPA 70^®, National Electrical Code^® (NEC^®), requirements to help ensure safe and compliant installations. Our authentic NEC Reference Cards include 13 waterproof and durable 3.5ʺ x 5.5ʺ cards displaying the most commonly used tables from the code. This set features updated table numbers, titles, column headings, and footnote content to correspond with your edition of the NEC.

The 2026 edition of the NEC Reference Cards is compatible with the 2026 NEC and features selected NEC tables for easy access.

The following NEC tables are included in the 2026 set:

Table 250.66: Grounding Electrode Conductor for ac Systems
Table 250.102(C)(1): Grounded Conductor, Main Bonding Jumper, System Bonding Jumper, and Supply-Side Bonding Jumper for ac Systems
Table 250.122: Minimum Size Equipment Grounding Conductors (EGCs) for Grounding Raceway and Equipment
Table 300.7: Minimum Cover Requirements, 0 to 1000 Volts ac, 1500 Volts dc, Nominal, Burial in Millimeters (Inches)
Table 310.12(A): Single-Phase Dwelling Services and Feeders
Table 310.15(B)(1)(1): Ambient Temperature Correction Factors Based on 30°C (86°F)
Table 310.16: Ampacities of Insulated Conductors with Not More Than Three Current-Carrying Conductors in Raceway, Cable, or Earth (Directly Buried)
Table 314.16(A): Metal Boxes Table 430.52(C)(1): Maximum Rating or Setting of Motor Branch-Circuit Short-Circuit and Ground-Fault Protective Devices
Table 430.250: Full-Load Current, Three-Phase ac Motors
Table 450.5(B): Maximum Rating or Setting of Overcurrent Protection for Transformers 1000 Volts and Less (as a Percentage of Transformer-Rated Current)
Selected sections from Chapter 9, Table 4: Dimensions and Percent Area of Conduit and Tubing (Areas of Conduit or Tubing for the Combinations of Wires Permitted in Table 1, Chapter 9)
Selected sections from Chapter 9, Table 5: Dimensions of Insulated Conductors and Fixture Wires
Summary of Tap Conductor Requirements

2026 (9781455932320)

2023 (9781455929313)

2020 (9781455923113)

2017 (9781455915392)

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Description	Access essential NEC tables and content quickly from anywhere with NEC Reference Cards. It’s vital that electrical professionals follow NFPA 70^®, National Electrical Code^® (NEC^®), requirements to help ensure safe and compliant installations. Our authentic NEC Reference Cards include 13 waterproof and durable 3.5ʺ x 5.5ʺ cards displaying the most commonly used tables from the code. This set features updated table numbers, titles, column headings, and footnote content to correspond with your edition of the NEC. The 2026 edition of the NEC Reference Cards is compatible with the 2026 NEC and features selected NEC tables for easy access. The following NEC tables are included in the 2026 set: Table 250.66: Grounding Electrode Conductor for ac Systems Table 250.102(C)(1): Grounded Conductor, Main Bonding Jumper, System Bonding Jumper, and Supply-Side Bonding Jumper for ac Systems Table 250.122: Minimum Size Equipment Grounding Conductors (EGCs) for Grounding Raceway and Equipment Table 300.7: Minimum Cover Requirements, 0 to 1000 Volts ac, 1500 Volts dc, Nominal, Burial in Millimeters (Inches) Table 310.12(A): Single-Phase Dwelling Services and Feeders Table 310.15(B)(1)(1): Ambient Temperature Correction Factors Based on 30°C (86°F) Table 310.16: Ampacities of Insulated Conductors with Not More Than Three Current-Carrying Conductors in Raceway, Cable, or Earth (Directly Buried) Table 314.16(A): Metal Boxes Table 430.52(C)(1): Maximum Rating or Setting of Motor Branch-Circuit Short-Circuit and Ground-Fault Protective Devices Table 430.250: Full-Load Current, Three-Phase ac Motors Table 450.5(B): Maximum Rating or Setting of Overcurrent Protection for Transformers 1000 Volts and Less (as a Percentage of Transformer-Rated Current) Selected sections from Chapter 9, Table 4: Dimensions and Percent Area of Conduit and Tubing (Areas of Conduit or Tubing for the Combinations of Wires Permitted in Table 1, Chapter 9) Selected sections from Chapter 9, Table 5: Dimensions of Insulated Conductors and Fixture Wires Summary of Tap Conductor Requirements 2026 (9781455932320) 2023 (9781455929313) 2020 (9781455923113) 2017 (9781455915392)