Since 1971, LEA has partnered with world-class organizations to solve power quality issues with the finest surge protection devices (SPDs) and power conditioning available. From plug-in devices for office equipment to lar......Since 1971, LEA has partnered with world-class organizations to solve power quality issues with the finest surge protection devices (SPDs) and power conditioning available. From plug-in devices for office equipment to large systems for communication tower protection, we are the experts in our field. Our sales, engineering and customer service staff are dedicated to providing complete and timely assistance to your technical and non-technical questions.