The series 13 phenolic barrier terminal strip is made for years of rugged use. The product features a high quality, precision screw machined terminal and the phenolic insulator is rated for high temperature, 150° C applications. The top and bottom insulated screws option is ideal for feedthru, bulkhead applications. Made in the USA, all Beau terminal blocks embody the highest quality standards in the industry-using the finest materials and world class manufacturing processes. They meet or exceed all applicable industry standards.