NEC glossary

Switchboard

A large single panel or assembly of panels bearing switches, overcurrent devices, buses, and instruments, accessible from the front and generally from the rear as well; switchboards are used for service equipment and large distribution applications.

NEC reference
Article 100

In development The full guide is being written ahead of Loomi's launch. Join the waitlist to be notified when it's live.

Loomi · NEC exam prep

Practice the NEC questions behind this.

Loomi turns these calcs into 9,000+ timed, NEC-referenced exam questions, with spaced repetition that hammers your weak spots. Reserve your founders' seat before launch.

Join the waitlist