20 Plastic marker tags for identification of electrical wires, cables, switches, meters, panels, valves, equipment, shelving, cabinets, files, duct work, poles, pipes and transformers; plastic marker tags for the purpose of labeling, organization, and identification of electrical wires, cables, switches, meters, panels, valves, equipment, shelving, cabinets, files, duct work, poles, pipes and transformers; plastic marker tags for labeling electrical wires, cables, switches, meters, panels, valves, equipment, shelving, cabinets, files, duct work, poles, pipes, and transformers; plastic labels