Below topics are available in this Current Carrying Capacity (Ampacity) of Cables app.
1) As per IEC and AWG/NEC with all necessary Standard (PDF) as reference
2) Ampacity with details
3) Applications
4) De-rating factors
5) Construction details
6) Voltage grade
7) Process details
8) Testing details
9) Necessary calculations
10) Cable Image
11) Search Options
It's a very simple mobile app for select the best type of cabling solution depending on the type of project and installation.
Also you can find the de-rating factor like,
1) Temperature Factors(K1/K2)
2) Soil Thermal Resistance Factor (K4),
3) Cable Depth Correction Factor (K5),
4) Cable Distance Correction Factor (K6),
5) Cable Grouping Factor (K7) as per IEC Standards.

Also you can find different type of calculations, like
1) KVA to KW Converter
2) KW to KVA Converter
3) Hp to KW Converter
4) BTU/hr to KW Converter
5) Refrigeration Tons to KW
6) Single Phase Calculations
7) Three Phase Calculations
8) Voltage Drop

You can also find the general construction on LT, MV, HV cables with their details, also related standards are available like IEC, BS, IS, ASTM.

Hope it will help you ....