Robust design and high grade materials meet the stringent demands of today's service professional. Our stoplight switches are designed utilizing brass or high-impact composite housings as specified, for maximum performance and durability. Featuring a special-design spring and contact arrangement to reduce arcing for extended service life. Copper alloy conductors ensure superior electrical conductivity with low resistive losses. Our parts are 100% tested to verify both mechanical and electrical switching performance. As a global manufacturer of original equipment ignition products, we maintain complete quality control throughout the manufacturing process from componentry to finished product.