NEC glossary

Ampacity

The maximum current, in amperes, that a conductor can carry continuously under the conditions of use without exceeding its temperature rating.

NEC reference
Article 100

In development The full guide is being written ahead of Loomi's launch. Drop your email on the homepage to be notified when it's live.

Loomi · NEC exam prep

Practice the NEC questions behind this.

Loomi turns these calcs into 12,900+ timed, NEC-referenced exam questions, with spaced repetition that hammers your weak spots. Try everything free for 3 days at launch.

Get launch access