Question 1

What wattage LED high bay light do I need for a factory or warehouse shed in India?

Accepted Answer

It mainly depends on mounting height. As a rough guide, 100–150W high bays suit ceilings of about 6–8 metres, and 150–200W or more suit 8–12 metres. Warehouses usually need around 150–200 lux and assembly areas 300 lux or more, so check the lumen output (lm) rather than just watts when comparing models on LedDisplay.

Question 2

Which IP rating should industrial LED lights have for dusty or wet areas?

Accepted Answer

IP65 is the practical minimum for dusty factory floors, workshops and semi-outdoor sheds, while IP66 is better where lights face heavy water jets or washdowns. Areas with flammable gases or dust, such as chemical plants or paint shops, need flameproof (Ex-rated) fittings with PESO approval, not just a high IP rating.

Question 3

How much electricity can I save by replacing metal halide or HPSV lights with LED high bays?

Accepted Answer

A 400W metal halide or HPSV fitting can typically be replaced by a 150–200W LED high bay with similar or better light output, cutting lighting power use by about 50–60%. Since factories often run lights 12–24 hours a day, the extra cost of LED is commonly recovered within 1–2 years through lower bills and less maintenance.

Question 4

Do industrial LED high bay and flood lights need BIS certification in India?

Accepted Answer

Yes, LED luminaires fall under the BIS Compulsory Registration Scheme, so genuine products sold in India should carry a BIS registration number (R-number) on the product or packaging. You can verify this number on the BIS website before buying, and LedDisplay listings help you compare certified models from brands like Philips, Havells, Crompton and Wipro.

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