Abstract: An illuminatable sign includes a number of lighting modules arranged on an electrical circuit such that they are individually disconnectable, removable and adjustable in position between conductors. Preferably the lighting modules are slidable on the conductors while remaining in electrical contact to provide illumination where it is specifically required. Connections between the modules and the conductors may be such that the modules slide on the conductors. Such connectors may be snap on connectors or may be prongs insertable into helical springs about the conductors such that compression of the springs increases the diameter of the springs to allow them to slide on the conductors and lack of compression allows the springs to grip the prongs tightly.

Abstract: A sign comprising at least one light pipe, each light pipe made of light-transmitting material, said at least one light pipe arranged to form a predetermined message or design, each light pipe having at least two ends and carrying at least one light source proximate at least one end, each light source directed towards another end of the light pipe in the direction of extension of the light pipe, a portion of the outer surface of each light pipe being translucent permitting light to exit therefrom, the sign further carrying electrical circuit means for energizing each light source, and means for mounting the at least one light pipe to form the predetermined message or design; whereby energizing of each light source causes light to be transmitted in each light pipe, light therefrom emerging through the translucent outer surface of each light pipe for the display of the predetermined message or design.