Tyco Thermal Controls has expanded its Raychem range of under-surface electric snow-melting systems with the launch of a further two new products developed for keeping exposed pedestrian and vehicular access open and safe during wintry weather. These additions are a 400 V heating cable suitable for large-area applications with a 3-phase supply available (circuit lengths up to 250 m) and an easy-to-lay power pre-terminated power mat for fast installation.