A system for attaching an electrical box to a mounting assembly. The fluorescence measuring apparatus has at least a CCD and a controller. The gauge further comprises a light guide arranged to guide illumination light from below the dial plate to the front side of the dial plate so as to illuminate the dial face from above. The reverse index file is transmitted with the forward patch to an electronic device. In addition, or instead, the valve members may be configured so that the first valve is opened with the impact of a moving element that allows the valve to be operated with a relatively smaller and less expensive coil. The polyestercarbonate copolymers have a combination of scratch resistance, good flow, and good weatherability.