Lindsey Emergency Restoration System (ERS) http://lindsey-usa.com/ers/ structures are designed to rapidly bypass permanent transmission towers at any voltage in any terrain. Lindsey ERS can be erected in hours and are suitable for hand, crane, and helicopter installation methods. http://lindsey-usa.com/ers/ Lindsey hardware and insulator assemblies are engineered for reliability and maintainability, aspects key to cost effective transmission line construction and ownership. Destructive tests on every lot of load-rated hardware ensures performance. Designed in compatibility with bare hand and hot stick maintenance methods to guarantee fast and safe operation.