Tall from Ny writes,
What product can I use as a residual pesticide for spiders in electrical boxes such as fuse box, outdoor AC unit, etc?
We highly recommend applying an insecticide dust such as Tempo 1%. You will apply a couple puffs in each electrical outlet, light switch plate and other areas where it is not safe to apply a liquid solution for insect control. You can apply the product using a dust applicator such as the B&G Bulb Duster 1150.
Answer last updated on: 08/16/2014