Checks a feeder tap conductor against the 10-ft, 25-ft, or outside unlimited-length tap rules of NEC 240.21(B) — the conditions that let a tap conductor be smaller than would otherwise be required for the feeder's overcurrent device.
NEC 240.21(B)(1) 10-ft tap, 240.21(B)(2) 25-ft tap, 240.21(B)(5) outside unlimited-length tap
Generated
For preliminary engineering use only — always verify results against project-specific standards and a qualified engineer's review before use in a real design.