When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Impact attenuator - Wikipedia

   en.wikipedia.org/wiki/Impact_attenuator

   A crash cushion installed on a motorway exit in Italy. An impact attenuator, also known as a crash cushion, crash attenuator, or cowboy cushion, is a device intended to reduce the damage to structures, vehicles, and motorists resulting from a motor vehicle collision. Impact attenuators are designed to absorb the colliding vehicle's kinetic energy.

3. Lightguard Systems - Wikipedia

   en.wikipedia.org/wiki/Lightguard_Systems

   Lightguard Systems Inc. produces Lighted Crosswalk Systems invented by its founder, Michael Harrison. Inspired by a series of fatal pedestrian traffic incidents in Santa Rosa, California in 1991, Harrison developed the first LightGuard system as a safety aid for installation at pedestrian crossings and started LightGuard Systems to produce them.

4. Earth-leakage circuit breaker - Wikipedia

   en.wikipedia.org/wiki/Earth-leakage_circuit_breaker

   If the wrong type was used on an installation, the level of protection given could be substantially less than that intended, in particular the voltage operated type can only protect against faults or shocks to metalwork connected to the circuit ground, connected to the VO-ELCB, it cannot detect current leaving a live wire and running to ground ...