Mouse in the house! This poor little rodent thought he might try chewing on a 100amp service entry cable.
The following measures can be taken to eliminate food sources and habitats for these little guys:
Keep food in thick plastic or metal containers with tight-fitting lids.
Clean up spilled food right away, and wash dishes and cooking utensils soon after use.
Keep outside cooking areas and grills clean.
Always put pet food away after use and do not leave pets' food or water bowls out overnight.
Keep bird feeders away from the house. Utilize squirrel guards to limit access to the feeder by squirrels and other rodents.
Use thick plastic or metal garbage cans with tight-fitting lids.
Keep compost bins as far away from the house as possible.
Dispose of trash and garbage on a frequent and regular basis, and eliminate clutter in and around the property to discourage nesting.
Elevate hay, woodpiles and garbage cans at least 1 foot off the ground. Move woodpiles far away from the house. Get rid of old trucks, cars and old tires that mice and rats could use as homes. Keep grass cut short, and keep shrubbery within 100 feet of the home well-trimmed.
FYI - according to the CDC, mice can squeeze through a hole the size of a nickel.