【技能】第一種電気工事士実技　複線図【令和4年】

Collects the first-class electrician skill practical problem No. 1 to No. 10 in 2022.
It is divided into several steps so that even those who are self-taught can easily understand it.
Feel free to study with your mobile phone or tablet!
Let's get closer to passing by taking more time to work by understanding the double-track diagram in a short time.