Incident analysis, information assurance, and data visualization for CapWIN: a real time terrorist vulnerability assessment

A radiant electric heater comprises a base (2) of thermal and electrical insulation material, an electrical heating element (3) supported on or adjacent to the base and having a terminal region (7) at a location in the heater remote from a periphery of the heater, and a rod-like temperature-responsive device (9) extending at least partly across the heater from the periphery thereof at least to a region proximate the terminal region of the heating element. Electrical connecting means extends from the terminal region (7) of the heating element (3) to the periphery of the heater by way of the rod-like temperature-responsive device (9).