NASCLA Electrical Exam Book Update (July 1 2025)
NASCLA updated the books used on the NASCLA Electrical Exams starting July 1 2025. Below you’ll find each of the three different NASCLA electrical exams showing what has stayed the same, what has updated, and what is new.
NASCLA Residential Electrical
| Old Book List | July 1 2025 Book List | Notes / Comments |
|---|---|---|
| OSHA CFR 1926 | OSHA CFR 1926 | Same |
| NFPA 70E 2024 | NFPA 70E 2024 | Same |
| NASCLA Basic 14th | NASCLA Basic 14th | Same |
| Ugly's Electrical References 2023 | Ugly's Electrical References 2023 | Same |
| NFPA 70 National Electrical Code 2020 | NFPA 70 National Electrical Code 2023 | Updated edition (both 2020 and 2023 can be used) |
| NFPA 72 2016 | NFPA 72 2022 | Updated edition |
| IRC 2018 | IRC 2024 | Updated edition |
| Tom Henry Key Word Index 2020 | Tom Henry Key Word Index 2023 | Updated edition |
| — | Understanding Electrical Theory | New in 2025 |
| Soares Grounding and Bonding | — | Removed in 2025 |
NASCLA Journeyman Electrical
| Old Book List | July 1 2025 Book List | Notes / Comments |
|---|---|---|
| OSHA CFR 1926 | OSHA CFR 1926 | Same |
| NFPA 70E 2024 | NFPA 70E 2024 | Same |
| Ugly's Electrical References 2023 | Ugly's Electrical References 2023 | Same |
| NFPA 70 National Electrical Code 2020 | NFPA 70 National Electrical Code 2023 |
Updated edition (both 2020 and 2023 can be used) |
| NFPA 72 2016 | NFPA 72 2022 | Updated edition |
| Tom Henry Key Word Index 2020 | Tom Henry Key Word Index 2023 | Updated edition |
| — | Understanding Electrical Theory | New in 2025 |
| IRC 2018 | — | Removed in 2025 |
| NFPA 101 Life Safety Code 2015 | — | Removed in 2025 |
NASCLA Master Electrical
| Old Book List | July 1 2025 Book List | Notes / Comments |
|---|---|---|
| OSHA CFR 1926 | OSHA CFR 1926 | Same |
| A Guide to the PMBOK | A Guide to the PMBOK | Same |
| NASCLA Basic 14th | NASCLA Basic 14th | Same |
| NFPA 70E 2024 | NFPA 70E 2024 | Same |
| Ugly's Electrical References 2023 | Ugly's Electrical References 2023 | Same |
| NFPA 70 National Electrical Code 2020 | NFPA 70 National Electrical Code 2023 | Updated edition (both 2020 and 2023 can be used) |
| Tom Henry Key Word Index 2020 | Tom Henry Key Word Index 2023 | Updated edition |
| ASHRAE Standard 90.1-2016 | ASHRAE Standard 90.1-2022 | Updated edition |
| — | Understanding Electrical Theory | New in 2025 |
| Soares Grounding and Bonding | — | Removed in 2025 |
| OSHA 3071 Job Hazard Analysis 2002 | — | Removed in 2025 |
| IRC 2018 | — | Removed in 2025 |
| NFPA 72 2016 | — | Removed in 2025 |
| NFPA 101 Life Safety Code 2015 | — | Removed in 2025 |
✅ Reminder: If you are taking the exam prior to June 30, 2025, use the old book list. If you are taking it July 1, 2025 or later, then use the new 2025 list. Reach out if you need any help! Call us at (877)699-0775 or email info@mycontractorslicense.com