#5425 More Work on Why Not Work!

Many Poskim maintain that even according to the opinions that there is indeed such a prohibition, it only applies to heavy and extended work.

However, simple work, such as turning on the lights or even cooking, preparing meals,and cleaning is permitted (Kovetz Mibeis Levy, 1, p.57, sidur Yaavetz and others). Other Poskim permit work allowed on Chol Hamoed. (Eishel Avrohom B”).