The 3M Portable Labelers can be used for industrial jobsite applications to easily label wires, cables, modules, panels and blocks in addition to creating custom flags or vertical labels. The Portable Labeler PL150 from 3M is the first in the family to feature a computer-style (QWERTY) keyboard. AUSTIN, Texas-()-3M Electrical Markets Division together with DYMO ® Industrial, part of Newell Rubbermaid’s Technology global business unit, introduced a new addition to the 3M Portable Labelers product line, designed specifically for the unique needs of electrical markets.