ETL Verified CAT5e cable. Black Box plenum rated Cat6 cable is perfect for creating custom length horizontal network cable runs. This cable offers an exceptional value for jobs that require standards compliance at a cost-effective price. This Cat6 cable also offers other features that make it easier to use save on installation time and expense and ensure product quality during the installation. This cable features wide opening for the payout design which reduces tension on the wire as it is pulled during installation.