Transmission 138kV IEEE and 145kV IEC Premolded, Mechanical Shrink Terminations G&W's Python® premolded dry type outdoor terminations are available for 138kV IEEE (145kV IEC) extruded dielectric cable systems. Utilizing state-of-the-art mechanical shrink technology, the compact units offer maximum reliability with extreme ease of installation. G&W has been a leading supplier of innovative underground cable accessory solutions since it was founded in 1905. With installations and sales representation worldwide, today's G&W continues to offer the latest technology products with world-class, time-proven performance.