need some help please due to bad advice,l had a small room of the kitchen and decided to remove wall and convert in too bigger kitchen ,so was left with 2 light sockets and 2 switches and want to remove one,lifted floor boards above ,followed switch back to a metal jb ,cut wires and put wires in plastic connector block,went down stairs remaining light socket switch working fine at this point,followed light socket back as before to same metal jb and cut also put wires in plastic connector block ,went down stairs ,turned power back on and now there is no power to the remaining light ,electrician friend told me to do this and nothing ,week before xmas and wife is going nuts ,please help sorry know very litttle about curcuits and is this safe just now what l have done ,thanks