Tom works in a humid and rainy environment with high winds. What requirements must his testing equipment meet if he works outdoors?
A. There are no requirements to be met; all testing equipment is designed to work equally well in any environment
B. The testing equipment Tom uses must be designed for this environmental exposure and the way he correctly uses it
C. Tom's testing equipment should have a universal rating that shows it will work for any circuits on which he uses it
D. As long as Tom inspects and verifies his equipment, it will work regardless of environmental conditions