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StratoGig-HD® Cabling and LP Ratings

by Julie Clark on February 3, 2017

Hitachi Cable America's. Category 7 StratoGig-HD® cable is designed to deliver maximum throughput up to 100 meters for todays and tomorrow’s applications. Its construction allows it to accommodate industrial Ethernet, high-temp PoE++ (IEEE 802.3bt) up to 95 watts, HDBaseT 5Play and future high-speed Ethernet applications. The individually shielded pairs deliver exceptional noise immunity and ensure optimum signal transmissions. No other cable is as capable as the StratoGig-HD® cable. 

plenum cat7 cable

Plenum Category 7 StratoGig-HD® Cable

  • Tested from 1 MHz to 600 MHz
  • Compliant to ISO 11801 Class F (Category 7) requirements
  • Conductor pairs are individually wrapped in foil
  • 3rd Party Certified HDBaseT performance to 100 meters
  • LP Rating UL to .9 Amps



But... What is LP testing? What is an LP rating?

LP (Limited Power) testing is a test procedure for determining how many amps a conductor can accommodate. LP testing was developed by Underwriters Laboratories (UL) to provide a standardized method of testing to which cable manufacturers could submit their cables. LP testing is not required by the National Electrical Code (NEC) in the U.S. It is an optional method of testing that cable manufacturers can use to promote the power carrying capacity of their cables. Typical results for 4-pair Category style communication cables (such as Cat 5e, Cat 6, Cat 6A and Cat 7) range from .5 amps per conductor to .9 amps. UL then permits the cable manufacturer to print the LP rating on the cable jacket. The intent is to aid contractors and end users in determining how much power a given cable can accommodate.

An alternative to LP testing is to use an Ampacity chart provided in section 725 of the 2017 NEC. The Ampacity chart, along with information printed on the cable jacket can help determine the estimated power carrying capacity of the cable. As more and more devices receive their power over low voltage Category cables (known as Power over Ethernet or PoE), knowing what load the cable can safely carry is important.

For more information on Hitachi's StratoGig-HD® products and applications, click here, or contact your local Accu-Tech representative. 

Topics: Hitachi Cable hitachi cable america LP

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