UL1672 300 V 105 °C PVC-Insulated, PVC-Jacketed Wire

UL1672 is a PVC-insulated hook-up wire manufactured by Xinya Electronic Co., Ltd. It is rated 300 V, 105 °C. It is supplied in 16 recorded constructions spanning 14–28 AWG, with an overall diameter of 2.1–3.6 mm, cut to the length you order.

UL1672 at a glance

• 14–28 AWG, across 16 listed constructions
• Both solid (single-strand) and stranded conductors are listed — 7 solid and 9 stranded
• Insulation wall 0.44–0.49 mm
• Overall diameter 2.1–3.6 mm
• Max. conductor resistance 8.78–239 Ω/km at 20 °C DC (roughly 2.7–72.8 Ω per 1,000 ft)
• Routine withstand test on every listed row: 2000 VAC, 1 min

How UL1672 compares with its nearest alternatives

UL1672 and UL1569 share the 300 V rating and 105 °C temperature rating. Overall diameter runs 2.1–3.6 mm for UL1672 against 1.1–5.05 mm for UL1569. UL1672 is the tighter of the two where harness space is limited. Insulation wall is 0.44–0.49 mm against 0.39–0.46 mm. Size coverage is 14–28 AWG against 10–28 AWG.

UL1672 and UL1674 share the 300 V rating and 105 °C temperature rating. Overall diameter runs 2.1–3.6 mm for UL1672 against 0.9–3.1 mm for UL1674. UL1674 is the tighter of the two, so UL1672 is the option to take only when the larger diameter is acceptable. Insulation wall is 0.44–0.49 mm against 0.32–0.39 mm. Size coverage is 14–28 AWG against 12–30 AWG.

Conductor construction and selection

Both conductor families are listed. Single-strand rows such as 1/0.404 at 28 AWG suit fixed routing and insulation-displacement termination, where the conductor is not flexed after installation. Stranded rows such as 7/0.127 at 28 AWG flex repeatedly and are the usual choice for hand-soldered harnesses and anything that has to follow a moving path. Conductor resistance is the same at a given size, so the choice between them is mechanical rather than electrical.

How to read the UL1672 table

“Insulation O.D. (mm)” is measured over the insulation, not over a jacket, tape or braid. Conductor resistance is stated at 20 °C DC per kilometre — divide by 3.281 for ohms per 1,000 ft. The withstand column is a routine production test applied to finished lengths, not a continuous working voltage.

Questions buyers ask about UL1672

Which sizes of UL1672 are available?

14–28 AWG, across the 16 constructions in the table below. Sizes outside the table can be quoted on request.

Can UL1672 be supplied in both solid and stranded conductor?

Yes. The documented range covers 16 constructions, of which 7 are single-strand and 9 are stranded. Give the construction, not only the AWG, when you request a quotation.

What overall diameter does UL1672 run to?

The documented range is 2.1–3.6 mm. Quote the size, not the style alone, when the diameter has to fit a specific gland, grommet or channel.