Trays, not of metal; cable trays of non-metallic materials [other than electric]; cable supports made of plastics; steps [ladders], not of metal; ladders made of glass fibre; ladders of wood or plastics; non-metal cable clamps; cable grips of non-metallic materials; non-metal pipe and cable clips; cable fasteners, connectors and holders, non-metallic; trunking (non-metallic -) for cables carrying telephone signals; trunking (non-metallic -) for carrying cables supplying electricity; cable trunking of non-metallic materials [other than electric]; cantilevered brackets of non-metallic materials [other than for building]; trunking (non-metallic -) for leads carrying television signals; cable boxes of non-metallic materials (non-electric -); poles, not of metal.