Five major market focuses for the Amphenol 26482 series 1 products are heavy equipment, process control, mass transit, medical, and geophysical. The PT series lends itself well to applications that require a small, rugged, quick-disconnect connector which can provide both power and signal. These connectors must be usable in environments which could be susceptible to, but not limited to, harsh environments, drastic temperature changes, high vibration and shock.