5:32pm PDT - April 18th, 2022

In AC cables the “Skin Effect” is the tendency for current to travel closer to the outside of the cable instead of the core. This effect help invent the Copper-Clad Aluminium Wire (90% Aluminum) to save the cost of more expensive copper wire. The savings are massive. https://t.co/vKYbsFhUfK

64 retweets   10 likes  - Brian Roemmele (@BrianRoemmele)