Can you use gaff tape as electrical tape?
Moreover, is gaff tape electrical tape?
Electrical tape is about 1/2 inch wide and very stretchy and inexpensive. Gaffer's tape is a lot like duct tape except the adhesive is thinner and cleaner and the face of the tape is neater. Real gaffer's tape is extremely expensive. There are “cloth” tapes in various colors that might suit your purpose.
Correspondingly, can painters tape be used as electrical tape?
Electrical tape would be fine. You can get it in many colors, too. Masking/painter's tape does add some risk, as it's not got the same rated performance in overheating/fire conditions and might ignite or serve as a fuel source.
There are various alternatives to electrical tape available, with the most popular options including wire connectors (or 'wire nuts') and heat-shrink tubing. Wire nuts are typically insulated plastic caps with internal threading that are designed to be twisted on to the ends of stripped wires.