Invented by Humphrey Davy in the early 19th century, arc lamps were developed in France until 1878 when R E B Crompton started to manufacture an improved version at his Arc Works in Chelmsford.

Crompton Greaves Consumer Electricals' standalone net profit jumped 30.05% to Rs 123.28 crore on 11.45% increase in revenue from operations to Rs 1,645.33 crore in Q2 FY25 over Q2 FY24.