NESC Clearances

The Transmission Line Tool on Mobile (TLTM) "NESC Clearance Tables" is designed to generate clearance reports in accordance with Section 23 of the NESC 2017-C2. The Tool covers the majority of clearance tables required in transmission line design. Although the basic version of this Tool may satisfy the general purpose - AC voltage system, US unit, and majority of the NESC Clearance Tables that a transmission line engineer usually refers to, please note the full version has additional features as follows: (i) Clearances for direct current transmission line design; (ii) Clearance tables reported using Metric Unit. (iii) Clearance tables calculated using the Alternate Method.