Long-time heat runs on underground cable

HEAT-RUN DATA have been obtained on an underground cable test installation, located in the side of a thoroughly drained sand hill sloping to the west and protected from local replenishment of soil moisture by the black-top cover of a company parking area. Selection of this location for an underground test site was based upon the existence of topography and soil characteristics typical of a marginal field condition from a soil-thermal point of view.