This EXM 1100 JO4067 coupling is designed for wireway applications. It serves as a joiner for wireway systems, ensuring secure connections. The FNFP designation suggests specific material or connection properties relevant to its use in electrical installations.The EXM 1100 JO4067 is a coupling designed for wireway systems. It is identified by the product number 1100 JO4067 and brand EXM. The 'FNFP' designation is part of its product name. The raw ERP description indicates it is a 'JOINER (COUPLING)'.