The Jonard Adjustable Wire Stripper works for light-gauge communications, electronics and automotive wires from 18 to 28 AWG.

and keep in mind that wire strippers can have different gauge ranges for stripping, cutting, and crimping. Look for VDE certification that indicates a wire stripper has met essential safety standards.

Those stick-type hot wire cutters from the craft store that plug into the wall aren’t much better than a knife. The actual cleaving of foam is easier, but dragging a long, hot flexible wand ...

Electriciansusually own variouswirestripping, cutting and crimping tools ... you use your wire stripper to strip the same ...

While there are all sorts of ways to build a hot wire foam cutter, this design from [jasonwinfieldnz] is both interesting and imitable. If you don’t already know it, nichrome wire is nifty stuff ...