This Double Coaxial Wall Telephone Jack is gold plated for conductivity. Double Coaxial Wall Telephone Jack is Constructed With UL94V-0 Flame Retardant Plastic And 50 Micro Inches of Gold Plating. 4 Conductor RJ11.. Meets FCC Requirements.. They Comply with UL Standard 1863 and Article 800-51 of The National Electrical Code.. Double Coaxial Wall Telephone Jack is UL/CSA Listed. Order Qty of 1 = 1 Piece. Minimum Order Qty = 1 Piece.