(25% overlap), then bundled with 20awg stranded (7×28 stranding) tinned copper drain wire, then wrapped in a foil shield (125% coverage aluminum foil/mylar tape backing/aluminum foil-2 layers of foil shielding separated by mylar tape layer), then wrapped in a 70% coverage tinned copper braid shield, with nylon ripcord, all in a slate (gray) oil- and sunlight-resistant XtraGuard 1 premium grade PVC jacket.