You should be printing in PCTG. I have, and let me tell you about my experience.
resistance
GRX-810: A Game-Changing 3D Printable Alloy for Harsh Conditions
Researchers have developed a new metal alloy that is not only 3D printable, but also can withstand very extreme environments.
Research Breakthrough on Electrically Conductive 3D Printing
Researchers have uncovered the cause of a major problem with 3D printing conductive materials.