1,000ft pull box; shielded cable for high EMI/RFI environments; rated for use in walls. With voice, data and security capabilities, our shielded Cat5E bulk cable is ideal for network installation in your home, office, or on the entire campus. With its shielding, it is ideal for installation in high EMI/RFI environments. To maintain a complete shielded solution, please use our shielded patch panels and keystone jacks to maintain the security of our shielded cabling. Foot-marked cable is packaged in an easy-to-pull box for easier installation. Please Note: For maximum protection against EMI/RFI interference, use our Cat5E shielded patch panel (#03864) and Cat5E shielded keystone jacks for complete end-to-end protection.