Second problem is about cable gland stainless steel magnetic
If the cable waterproof connector uses stainless steel as the main material. Stainless steel is generally not considered magnetic, but in fact, austenitic system material after a certain processing technology, it is possible to appear a certain magnetic, but if this is considered to be magnetic judgement of the quality of the stainless steel cable waterproof joint standard is not accurate.
During the selection of cable waterproof gland, whether the stainless steel material is magnetic or not can not indicate its quality. In fact, some chromium manganese stainless steel are non magnetic stainless steel at all.
The Cr-Mn stainless steel in the stainless steel cable water connector is not a substitute for 300 series stainless steel, especially in high medium corrosive working environment.