T-Line Tools on Mobile


NESC Clearance Tables

Section 23 "Clearances" is the most often referenced section of the National Electrical Safety Code (NESC) sections. It covers all clearances, including climbing spaces, involving overhead supply and communication lines. The NESC Clearance App calculated the clearance tables often used by electrical transmission engineers for different voltages of both AC and DC.


Ruling Span Sag Calculator

The Transmission Line Tool on Mobile (TLTM) Ruling Span Sag Calculator performs quick calculation of mid-span sag as well as three-wave return time with known conductor tension and unit weight.

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Link to App Store (RS Sag Calc)

NOTES4PHOTO (perfect connection between notes and photos)

Now you have a wonderful Apple device that can take wonderful photos, but that is not all about photo shooting. With the help of NOTES4PHOTO, you field reconnaissance, study trip, vacation, etc., will be made more remmemrable.. Check out for more details HERE.

Launch NotesForPhoto on App Store