Bravsekai H Track Floating Canopy Connector,H Track Lighting Rails Accessories, Suitable for H Type Single Circuit 3-Wire-1 Rails,Energize The RailsH Type Track Lighting SystemCompatible with H Type 3 Wire 1 Circuit Track, not suitable for 2 Wire 1 Circuit Track, please make sure the track you purchased is H type track when purchasing. Flame retardant materialHigh quality flame retardant materials are used, which are safer than alloy materials and reducing electrical conductivity risks. Product Size4 1 4" x 4 1 4" x 1 3 8" Package Comes with floating connector, receptacle box cover, wire nuts,