Our snap-in inserts are compatible with a number of other manufacturers' plates. All Wirepath Structured Wiring products are UL listed and adhere to the TSB-40B of ANSI/TIA/EIA-568-B specifications (Commercial Building Telecommunications Cabling Standard). No need to put your punch-down tool on the Maximum Pain setting. These inserts are easy to punch down, clearly labeled and have A/B functionality.