1. As usually for the Switch box 86*86 mm / 147*86 mm / 75*75* mm and other sizes boxes are 20 pcs inner box, 400 pcs for master cartons. 2.As usually for 1 way/ 2 way/ 3 way / 4 way / U way / Y way Junction box packaging is 20 pcs in inner box and 400 pcs in master carton. 3.As coupler / saddles/ female adaptor / eblow / bend / clip packaging is 100 pcs in inner box and 1000 pcs on master carton. 4.Or customer requirement.