40 to 20 mm electric sheath junction (ICTA 40 to 20)
thingiverse
Remix from gsimon_fr "20mm electric sheath junction (ICTA 20)" Due to Concrete Wall drilling, I couldn't use the 40mm pipe. I adapt this junction to do the reduction from 40mm to 20mm. Warning, because of the diameter reduction, It could be difficult to slide the electrical wire later on with the leading cable. I got it through both pipe then I install this junction and put it in the ground. The 40mm pipe could vary in shape, look at the picture, otherwise, the Fusion 360 file is also available to adjust to your pipe shape. It might not be in the "Electrical best practices", use at your own risk. Better print in PETG. I use CHEP Extra fast profile, this thing doesn't to be perfect.
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