High speed solid state surge protection, Pass through case. Handles 1000 Amps. Dual direction protects from the house, and to the house.  UL approved Power Passing (2 amps) Meets NEC-830-30 Protect Any, Drop,replaces ground block. Application Features        The DLPS-15DP offers longer life, greater current handling capacity and faster response than any other type of protection. Developed and patented by Cable Innovations the 1Ghz., DLPS- 15DP incorporates dual direction Sidactor technology, protects in both directions from the  house and from the cable drop line. With a trigger sensing time of one nanosecond, the DLPS-15DP will virtually eliminate damage to drop line electronics caused by over voltages.   Set top boxes Modems Subscriber Electronics Drop amps Drop passives DLPS-15DP Drop Line Surge Suppressor