How to Make Extension Cord

Extension box and tops[Materials]

Here I explain how to make a low cost extension cord for home use first of all you need wire [ Cord ] gauge above 1.1/2 ml depend upon your usage don’t try to use low gauge wire heavy equipment's like welding unit, Heaters A/C unit,

Materials Requested: Plastic box with three pin wall socket or extension port two pin or three pin top 7x7 plastic box three pin multi wall socket or two pin wall socket shown the picture put desired length of two core wire insert the plastic box [ Shown picture below] make avoid stretch wire loose wire tight the screw make   well,

Box and wire position wall socket 

Make the box put hole insert two core or doubled single core wire as your suggestion just look at the picture position of the wire make tie so this and bring two pin wall socket or three pin socket that's your choice,

Connected box

Connected the line with wall socket and closed the box with screw at last you can fix other end with two pin tops