Xhhw 2 Wire Definition

The initials or acronym for xhhw stand for cross linked high heat water resistant insulated wire.

Xhhw 2 wire definition. Xhhw 2 shall be pro line wire cable or approved equal. All electric wires and cables must be labeled appropriately by following the national electric code nec guidelines. Sim pull xhhw 2 wire with alumaflex brand conductors view pdf. Xhhw 2 is approved for use up to 600v and is ul listed for 90 c 194 f in both dry and wet locations.

Insulation type voltage rating dielectric constant temperature rating resistance to leakage current flexibility and. Breaking down rhw 2 use 2 and rhh wires you ve probably noticed the codes and abbreviations you see on certain wires and cables. As mentioned in the article thhn vs. The different letters in xhhw wire denote particular properties of the cable.

Xhhw wire is generally used in residential commercial and industrial buildings. Thwn stands for t hermoplastic h eat and w ater resistant n ylon coated 19 thwn is a designation for a specific insulation material temperature rating and condition of use wet locations for electrical wire and cable. The term xhhw also designates the temperature rating as well as the conditions that the cable can be used under. Thermoplastic and thermoset are two common types of cable insulation and it s important to understand the strengths and weaknesses of each when designing and building a new facility machine or appliance.

Performance wire and cable inc. What is the difference there are a lot of somewhat confusing abbreviations used on wires and cables we broke down thhn and xhhw in that article now let s tackle rhw rhw 2 use 2 and rhh building wire. Conductor shall be ul listed type xhhw 2 rated for cable tray use and sunlight resistance. Conductors shall be annealed copper.

Of strands insulation thickness mils nom. Also suitable for operation at 600 volts or less in wet or dry locations at temperatures not to exceed 90 c. These characteristics along with the wide range of sizes make xhhw an ideal choice for residential commercial and industrial buildings as well as for installations of many types. Metal clad cable with alumaflex brand xhhw 2 feeder size conductors.

Box 126 camden ny 13316 tel. X for cross linked hh for high heat resistant and w for water resistant. The previous generation of xhhw had a lower temperature rating approved up to 75 c in wet environments making the next generation xhhw 2 wire a more useful and an all environment type product. This xhhw is the designation for a specific insulating material for electrical building wire and cable.

There are a few factors that set xhhw 2 apart from thhn thwn 2. Size awg or kcmil no. Wire and jacket insulation. Xhhw 2 insulation which is similar to xhhw is suitable for use in dry or wet locations up to 90 c 194 f.

But unless you re a wire technician or experienced working with cables it s likely that you don t know what those letters and numbers mean.