Price Shown is per Foot. Must be purchased by increments of 1000. 4X24 XCW I/O W/B W/O W/G W/BN Indoor/Outdoor Cross-Connect Wire is intended for cross-connecting points in building entrance enclosures at subscriber s premises and/or in Outside Plant (OSP) enclosures. Each insulated conductor is identified by a combination of solid insulation color, except as noted.