Question

before buying any bulb, tube or cfl, we should look ISI mark. what does the ISI mark on CFLs ensure? ​

Answer 1

Any product with ISI mark tells us that the product is approved and safe to use. So, we can safely use the bulb with ISI mark.

Answer 2

ISI means the Indian Standards Institute It is a body that has been set up after India gained Independence.

It checks the standard required for all commercial goods for maintaining quality and growth in the production sector of all industries.

A bulb with an ISI mark will ensure it is of high quality and will not get fused or will not break that easily.