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product's name is KNE. And the material is Alloy-aluminum. the fuction is Water proof.
the available extension wire entry thread are M20x1.5, G1/2, G3/4, NPT1/2, NPT3/4
and the protection tube entry thread are M12x1, M16x1, M20x1 M22X1, M24X1, M27X1 , M33X1
G1/2, G3/4, NPT1/2, NPT3/4. and the material of terminal block is bakelite or ceramics
the form of terminal block is 2/34/6P-C or 2/3/4/6P-B