Ugly’s Electrical References

Offering the most pertinent, up-to-date information used by electricians, including: updated NEC code and table change information, mathematical formulas, NEMA wiring configurations, conduit bending guide, ampacity and conduit fill information, transformer and control circuit wiring diagrams, and conversion tables.

New Features of this Edition:

•Updated to reflect changes to the 2020 National Electrical Code (NEC)

•Expanded coverage of the following topics:

oJunction Box size calculations

oSelecting, testing, and using multimeters to measure voltage, resistance, and current

oSelecting, testing, and using a clamp-on ammeter to measure current

oSelecting, testing, and using a non-contact voltage tester