Re: Pls giv me a great defination of each of these installation methods (assigmnt) tq :)

[Matthieu]

You will find figures in IEC60364 -5-52 describing different methods of installation for wiring system.

 

You may also find some answer in Electropedia: The world’s online electrotechnical Vocabulary http://std.iec.ch/iev/iev.nsf/welcome

Regards