The chart pack
Six sheets, US Letter, made for the shop wall. Straight blade configurations. Locking configurations. Cord gauge by amperes and length. 15 A versus 20 A receptacles. Surge protector label terms. GFCI receptacle or breaker.
What is in it
- NEMA Straight Blade Configurations From NEMA plug and receptacle chart.
- NEMA Locking Configurations From NEMA plug and receptacle chart.
- Extension Cord Gauge by Amps and Length From Extension cord gauge chart.
- 15 Amp vs 20 Amp Receptacles From 15 amp vs 20 amp receptacles.
- Surge Protector Ratings: Reading the Label From Surge protector ratings.
- GFCI Receptacle vs GFCI Breaker From GFCI receptacle vs GFCI breaker.
Every sheet is also on its own chart page, free to save and print without the form.

Get the pack
Enter an email address. The pack opens on the next page right away. Nothing is emailed back. We may send a note when a chart is added or corrected; no schedule is promised.