Answer
Apr 12, 2022 - 08:19 AM
Most power (and ethernet) cables are insulated with a PVC plastic sheath. When immersed in any hydrocarbon-based dielectric fluid, some of the plasticizer chemicals in PVC will dissolve into the coolant. This makes the PVC stiff, but it doesn't affect the integrity of the plastic insulation. Our experience is that these cables don't need to flex or move very much once they've been immersed. So although the insulation gets stiff, the wires continue to work fine. Most users simply leave them in place.
There are power cables made with silicone-based outer insulation instead of PVC. Silicone insulation won't get as stiff as PVC insulation when immersed.
There are power cables made with silicone-based outer insulation instead of PVC. Silicone insulation won't get as stiff as PVC insulation when immersed.
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