Use 3M ScotchCode Cable Marking Tape Refill Roll SDR Symbols L1, L2, L3, N, Earth to easily identify terminals, terminal blocks, panel wiring or switchgear during maintenance or repair. This thin, conformable tape is printed with L1, L2, L3, N, Earth in clear, easy-to-read characters and contains 5 rolls per pack. This polyester tape is resistant to marking, oil, solvents and water. It is printed at 6 characters per inch, making it ideal for marking phases on large or small diameter wires/cables, hoses and spare parts. It is compatible with 3M Scotchcode STD tape dispensers, making it quick and easy to use.