斷路器幾安培，線就不能比它細，這是電工每天都在做的判斷。5 題一回合，答對 4 題過關。選好國家，題目會用當地的線徑單位出題，也可以自己切換。
線徑選對了，下一步是考照：用你選的國家做一回電工模擬考。
登入會員在網站上過關，每天第一次可以得到 5 學習點數。
這是練習題，用的是常見參考表。實際配線要依當地法規、安裝方式、周溫與同管線數修正，並由合格電工判斷。
Manage Consent
Functional
一律啟用
The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
Preferences
The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.
Statistics
The technical storage or access that is used exclusively for statistical purposes.
The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
Marketing
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.