![The Laboratory Page: Current-Carrying Capacity of Wires, December 1940 January 1941 National Radio News - RF Cafe The Laboratory Page: Current-Carrying Capacity of Wires, December 1940 January 1941 National Radio News - RF Cafe](https://www.rfcafe.com/references/radio-news/images2/laboratory-page-national-radio-news-dec-40-jan-41-1.jpg)
The Laboratory Page: Current-Carrying Capacity of Wires, December 1940 January 1941 National Radio News - RF Cafe
Why is the current carrying capacity of Copper bar (1.2 A/sqmm) much less than (even insulated) copper conductor of the same cross-section, considering an XLPE single core 1 sqmm copper conductor can
![Would a square piece of copper have a similar maximum current rating as a copper wire? - Electrical Engineering Stack Exchange Would a square piece of copper have a similar maximum current rating as a copper wire? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/uHpHV.png)