The Dust Cap protects open cables against dirt and dust. Just push it on the open PowerPole connectors. Weatherproof, reuseable

Snap-In Frame for devices with 4 or 8 PowerPole contacts. Can be used on power supplies, battery enclosures or power distributors. Requires a cut-out of 25.4 x 31.8 mm or 25.4 x 47.8mm. With all 4 contacts installed the contacts mate directly with any PowerPole connector or the 4-way cable jacks (PP-CMONT, see below). Required PowerPoles and fastening pins are included