The bulb in my oven light has gone. I have some spares in the drawer. The oven bulb says G9 25W 230V on it & the spare by a different manufacturer says G9 28W 230V. Can I use the spare in the oven light? It's 3watts difference. I don't know if the 3 watts difference is just a question of how the manufacter's rate their product & not actually a reflection on the bulb iyswim?