Price Shown is per Spool. Must be purchased by increments of 1000. 1X24 XCW I/O R/B 1KF305MSP 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.