2020 NEC
Reference Cards
Quickly and
conveniently access the most frequently used NEC tables with 2020
NEC Reference Cards.
NECŪ Reference Cards help electrical
contractors and installers increase accuracy, safety, and efficiency
by providing on-the-job access to 13 of the most frequently
referenced tables in the NEC, 2020
edition.
These double-sided, laminated cards fit
comfortably in your pocket or clip on to your belt or toolbox using
the included one-inch metal ring.
NEC Reference Cards are waterproof and
extremely durable. The lightweight design and compact 3.5ʺ x 5.5ʺ
size make it a go-anywhere resource for electrical professionals.
Bring the complete set of cards with you or just the ones you need
for the particular task at hand.
The all-new set features updated and expanded
table titles, column headings, and footnote content based on the
2020 edition of the NEC.
Work faster and more accurately by keeping the
information you need most at your fingertips.
NEC Reference
Cards cover the following tables and content:
- TABLE 250.66: Grounding Electrode
Conductor for Alternating-Current Systems
- TABLE 250.102(C)(1): Grounded
Conductor, Main Bonding Jumper, System Bonding Jumper, and
Supply-Side Bonding Jumper for Alternating-Current Systems
- TABLE 250.122: Minimum Size
Equipment Grounding Conductors for Grounding Raceway and
Equipment
- TABLE 300.5: Minimum Cover
Requirements, 0 to 1000 Volts, Nominal, Burial in Millimeters
(Inches)
- TABLE 310.12: Single-Phase
Dwelling Services and Feeders
- TABLE 310.15(B)(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: Maximum Rating or
Setting of Motor Branch-Circuit Short-Circuit and Ground-Fault
Protective Devices
- TABLE 430.250: Full-Load Current,
Three-Phase Alternating-Current Motors
- TABLE 450.3(B): Maximum Rating or
Setting of Overcurrent Protection for Transformers 1000 Volts
and Less (as a Percentage of Transformer-Rated Current) Summary
of Branch Circuit Requirements
- Selected sections of 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 of Chapter 9, TABLE
5: Dimensions of Insulated Conductors and Fixture Wires
- Summary of Tap Conductor Requirements
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2020 NEC & Related Reference & Study
Guides
978-1-4559-2307-6,
9781455923076
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