For reference i m just trying to fix a standard us household appliance cable so two wires with no ground running at a pretty low current.
Is duct tape ok for electrical wires.
Lets take a look.
If the inner conductor wires don t have broken insulation then duct tape may work for a while.
Duct tape was invented in the 1920s by richard drew who worked for minnesota mining manufacturing co known today as 3m.
As far as i know most duct tape is primarily polyethylene or vinyl and most electrical tape is primarily vinyl but i d be more concerned about the threads in the duct tape or the different adhesives.
Though if it got chewed in a power head then wires inside could be broken as well.
It is important to note they are designed for entirely different uses.
You need to use the one best suited for the job.
Duct tape is used for almost every conceivable taping job even for making hats.
It is waterproof and was originally used for keeping moisture out of ammunition cases.
This article compares duct tape vs electrical tape.
Is duct tape safe to use for electric wires.
Duct tape or duck tape compared to electrical tape.
For example if the electrician runs a black wire as a neutral wire neutral wires are typically white he ll wrap white electrical tape around the wire near the breaker and at the other end effectively labeling it as a neutral wire.