● What is the highlight in NVC product range?

● Is NVC certificated by ISO system ?

● Why do we need lighting designers or illumination designers?

● What kind of service in lighting design is provided by NVC Lighting?

● Does NVC manufacture lamp source as well? Can we buy only your fittings with other supplier lamp sources?

● What is lamp source? and what is luminaire or fitting? any difference?

● Can you explain more about lamp source?

● Then can you explain the bulb base?

● What is ballast? Why need ballast in luminaire?

● Then what is difference of electromagnetic (inductive) and electronic ballast?