| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Changes in the 1981 National electrical code® | 978-0-13-127852-3 (0-13-127852-5) | 1981 |
| Changes in the 1984 National electrical code | 978-0-13-127762-5 (0-13-127762-6) | 1984 |
| Changes in the 1984 National electrical code | 978-0-13-127770-0 (0-13-127770-7) | 1984 |