Moisture can short out an electrical connection in a split-second, or silently corrode it away over a period of months. Protect electrical components and contacts from moisture and corrosion, and lubricate and seal rubber and plastic parts, including O-rings, with this premium marine electronics grease. Waterproofs application surface to protect against arcing. Improves electrical performance during adverse weather conditions. Ideal for electrical, trailer and bulkhead connectors, shore power adapters, and more. Very effective in protecting connections when applied just prior to re-installing marine electronics after winter storage.