There are many types of wire connectors out there but these are some of the most common ones you'll encounter.

The National Electrical Manufacturers Association (NEMA) published ANSI/NEMA HP 4-2012, "Electrical and Electronic (Fluorinated Ethylene Propylene) FEP Insulated High Temperature Hook-Up Wire, Types ...

I'm assuming Cat5e and RG6 are fine within a home, but some extra care needs to be taken when venturing outdoors. Basically, what are the recommendations/best practices for dealing with A) water ...