PLC Panel/Cabinet Design Requirements,NEMA Panel/Cabinet Standards,Cabinet arrangement Drawing,Panel/Cabinet Specifications,Input output list or data base;Cabinet Power Consumption Calculations,DC Power,watts;AC Power ,KVA Rating,Cabinet Temp Rise Calculations,all components temp ratings,I/O list,PLC modules selection,PLC racks arrangement,Electrical Area Clasification in Oil&Gas,Panel fabrication,arrangement of DIN rails,wire ducts ,relays,modules,wiring,cable terminations,wire marking,labeling,crimping lugs;electrcal area classification,NEC/NEMA,IEC/IP Standards,differences,applications;Class,Division,zone phylosophy,NEMA/IP Conversion