1. Mmezi kwa ụbọchị, mmezi na mmezi atụmatụ nke akụrụngwa mmepụta;

2. Ntinye na mmezi oge niile, ndozi na njikwa nke akụrụngwa eletriki, sekit ọkọnọ ọkụ, ihe ndị na-enye ọkụ, swiitị ọkụ mmiri/mbere mberede, wdg.;

3. Nhazi, mmepe, nnabata na mmezi nke akụrụngwa mmepụta na-akwado ihe ndozi na ihe ndozi ndị na-adịghị mma;

4. Ngwaọrụ a na-eji nlekọta ọkụ eletrik, mgbanwe nkesa eletrọniki na nyocha nchekwa nke kabinet nkesa ike n'ụlọ ọrụ ahụ.

1. Nzere mahadum ma ọ bụ karịa, ọ bụ isi na akpaaka eletriki na nnyefe;

2. Ị maara kabọd nkesa ike voltaji dị elu na nke dị ala, ihe ndị na-enye ike ugboro ugboro na-agbanwe agbanwe na ngwa ike ndị ọzọ; nwere ntọala ike eletrik, asambodo onye ọrụ ọkụ eletrik, ike siri ike na nke na-adịghị ike, ikike aka siri ike;

3. Ị maara usoro mmezi akụrụngwa nke ọma, ihe karịrị afọ 2 ahụmịhe n'iji na idozi ngwaọrụ pneumatic na eletriki na compressors ikuku;

4. Ị maara usoro mmepụta akụrụngwa nke ngwaahịa PCBA, ma nwee ike ijikwa ọrụ eletriki nke akụrụngwa mmezi;

5. Àgwà ọrụ dị mma, mmụọ otu dị mma na mmetụta siri ike nke ibu ọrụ, nwere ike ịrụ ọrụ na usoro mmepụta iji rụọ ọrụ karịa oge.