A combination of a compressor and motor enclosed in the same sealed housing with no external shaft or shaft seals, where the motor windings operate in the refrigerant; this construction is the basis for the special sizing rules in Article 440.
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 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