June 14, 2026
Description
This is a circuit braker lock I made for myself. Really easy to make. I used PETG and 6 walls with 25% infill to prevent flex when screw is tightened, but that might be overkill.
For the screw use M3 25mm bolt with philips head.
Mandatory legal disclaimer when working with electrics:
This design is provided "as is" without any warranty. Manufacturing, modification, installation, and use of this product are entirely at the user's own risk. The author accepts no liability for any injury, damage, loss, or legal consequences resulting from the use of this design. Users are responsible for ensuring compliance with all applicable safety standards, regulations, and laws.
License:
BY