The Difference Between Thhn And Thwn Nylon Sheathing Wire Models of XSD Cable

As a high quality thwn nylon sheathing wire manufacturer, recently our salesman often received many people ask the difference between thhn and thwn line, in fact, the difference between the two is not small, the following we will look at thhn and thwn difference it!

Thhn and thwn difference

Thermoplastic high heat-resistant nylon sheathed wire, referred to as THHN, is a common wire used to connect branch circuits and appliances. The other is the corresponding name THWN or THWN-2 two; this thermoplastic heat-resistant water-resistant nylon-coated sheathed wire is designed to operate in the same environment as THHN, without adding any additional parts can be used in harsher environments. THWN is considered to be the evolution of THHN, and both are still widely used.

THWN Nylon Sheathed Wire

Waterproof THWN wire is a major reason why many people prefer to use it. These wires are installed in environments where conduit is not required; this extra flexibility in use has become the wire of choice for electrical contractors because neither type of wire needs to be carried. THWN sheaths are individually coated with PVC, rather than vinyl, to make them waterproof.

THHN Nylon Sheathed Wire

THHN wire is the original version of the dual rated wire. Designed to withstand heat up to 194 degrees Fahrenheit, this resistance drops to 167 degrees if oil exposure occurs. THHN wire is typically a two-core wire and is commonly used in common Western-style wiring for all house and other structural layouts. For underground and conduitless installations, thwn should be selected.

Well, the above is the introduction of "XSD nylon sheathed wire model thhn and thwn difference", hope it can help you! Suggest to pay attention to XSD Cable, to learn more information.