The THOMAS & BETTS RC610 terminal block markers offer a convenient solution for identifying and organizing terminal blocks in electrical installations. These pre-printed markers feature horizontal even/odd numbering from 1 to 20, simplifying the identification process. Constructed from robust polyamide, they ensure long-lasting durability and resistance to environmental factors. Ideal for use with SNA double deck terminal blocks, these markers contribute to improved efficiency and reduced errors in electrical maintenance and troubleshooting. They are commonly used in industrial control panels, power distribution systems, and other electrical applications where clear labeling is essential.