Uploaded February 2026 | Updated September 2026, 2 hours ago

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What really happens inside an RCCB during a fault?
The forces generated in milliseconds can bend metal, shift conductors and determine whether a device survives or fails. In this video, we uncover the hidden physics that most electricians never get to see.


*Mentioned products*
ETI RCCBs ▶ tinyurl.com/3xxanaup

Read our blog for more technical information
Using F type instead of A type RCCB ▶ tinyurl.com/m3zxd4nu
Causes of RCCB overheating ▶ tinyurl.com/5336yjnv


*Watch next*
ETI EFI eV RCCB ▶ youtu.be/P6sobxXcoJg


#RCCB #ElectricalEngineering #ETI #magnetism #electricity