Copper Wire Connector Manufacturer Overview
What is a UY2 connector?
A UY2 connector is a yellow gel-filled IDC splice connector used to join two supported solid copper telephone wires without stripping the insulation. During crimping, the IDC contact cuts through the wire insulation and makes electrical contact with the conductor, while the gel helps reduce moisture exposure around the splice area. UY2 belongs to the same yellow 2-wire connector family as UY. Buyers usually choose UY2 when the wire size, insulation diameter, existing product specification, or inventory system calls for the larger UY2 format.
Specifications
UY2 connector technical data
These are the confirmed technical details for Mintel UY2 connectors used in supported copper telephone wire splicing.
| Parameter | Value |
|---|---|
| Connector type | Gel-filled IDC splice connector |
| Wire count | 2-wire straight splice |
| Wire range | 0.4-0.9 mm / 26-19 AWG solid copper wire |
| Maximum insulation O.D. | 2.08 mm |
| Body material | PP plastic |
| Contact material | Tin-plated phosphor-bronze IDC contact |
| Gel-filled | Yes |
| Color | Yellow |
| Cat.5 compatibility | Suitable for Cat.5 cable requirements when wire size and installation conditions match |
| Wire preparation | No stripping required for supported wires |
| Typical use | Copper telephone wire repair, yellow 2-wire splicing, larger insulation diameter requirements |
| Selection note | For compact 0.4-0.7 mm wire splicing where a smaller splice bundle is preferred, review the UY connector. For 2-wire or 3-wire red connector requirements, review the UR connector. For a non-gel indoor variant, discuss UY2D with Mintel. |
Installation
UY2 connector installation steps
UY2 connectors are installed by inserting two supported solid copper wires into the connector ports and crimping the yellow cap with a compatible crimping tool or suitable parallel-jaw pliers. No wire stripping, soldering, heat shrink, or tape is required for supported wire sizes.
- Prepare the wire ends: cut the solid copper wires with clean, square ends. Do not strip the insulation.
- Insert the wires: push both wires fully into the UY2 connector ports until they bottom out.
- Crimp the connector: press the yellow cap evenly until the connector is fully seated.
- Check the splice: confirm that the cap is closed and both wires are held firmly.
- Tool note: compatible crimping tools can be discussed for bulk or project orders.
Model comparison
UY2 compared with UY and UR connectors
Buyers often compare UY2 with UY and UR because all three are gel-filled IDC splice connectors used in copper telecom wire work. The correct choice depends on wire count, wire size, maximum insulation diameter, connector color, and existing model specification.
- Choose UY: compact yellow 2-wire splice for 0.4-0.7 mm wire.
- Choose UY2: larger yellow 2-wire format for 0.4-0.9 mm wire or insulation O.D. up to 2.08 mm.
- Choose UR: red connector for two or three wires, or when a red connector is specified.
| Parameter | UY | UY2 | UR |
|---|---|---|---|
| Color | Yellow | Yellow | Red |
| Wire count | 2-wire | 2-wire | 2-wire or 3-wire |
| Wire range | 0.4-0.7 mm / 26-22 AWG | 0.4-0.9 mm / 26-19 AWG | 0.4-0.9 mm / 26-19 AWG |
| Max insulation O.D. | 1.52 mm | 2.08 mm | 1.52 mm |
| Blade/contact | Single IDC contact | Single IDC contact | Dual IDC contact |
| Typical use | Compact pair splicing, smaller wire range | Yellow 2-wire splice for larger wire or insulation diameter requirements | 2-wire or 3-wire repair and tap splice work |
| Page | /uy-connector/ | This page | /ur-connector/ |
Selection guide
When to choose UY2 instead of UY
UY and UY2 are both yellow 2-wire gel-filled IDC splice connectors. UY is the compact option for smaller supported wire sizes. UY2 is selected when the project needs a larger yellow connector format, a wider supported wire range, or a larger maximum insulation outside diameter.
- The wire size is within 0.4-0.9 mm / 26-19 AWG.
- The maximum insulation outside diameter requirement is up to 2.08 mm.
- The buyer specification, drawing, or inventory code calls for UY2.
- The project requires a yellow 2-wire IDC splice but UY is too compact for the wire or insulation size.
- UY2 is already the model used in the existing telecom maintenance system.
Related variant
UY2D related variant note
UY2D is a dry non-gel variant in the UY2 family, suitable for indoor applications where gel filling is not required. The standard UY2 is gel-filled for moisture-resistant field connections. Buyers should confirm the intended model before ordering.
Applications
Where UY2 connectors are used
Mintel UY2 connectors are used in copper telecom and qualified low-voltage wiring applications where a yellow gel-filled 2-wire IDC splice is required for supported wire sizes.
- Copper telephone cable pair splicing
- Cable repair and field maintenance
- Yellow 2-wire IDC splice requirements in telecom networks
- Outdoor or humid splice points inside suitable closures
- Distributor inventory for UY2-format connector demand
- Selected low-voltage alarm or sensor wiring when wire size and application match the UY2 specification
Related products
Related Mintel connector pages
UY Connector Compact yellow 2-wire gel-filled IDC splice connector for 0.4-0.7 mm wire and smaller splice bundle requirements. 
UR Connector Red gel-filled IDC splice connector for 2-wire or 3-wire repair and tap splice requirements. 
Jelly Crimp Connectors Category page covering UY, UY2, UR, UR2, and UB2A gel-filled IDC splice connectors. 
Telephone Cable Connectors Inline, drop wire, self-stripping tap splice, modular, and jelly crimp connectors for copper telecom cable work. Factory supply
Factory-direct UY2 connector supply
Mintel was founded in 2012, building on family copper telecom connector manufacturing know-how since 1986. The company manufactures gel-filled IDC splice connectors and related copper wire connector products from a single factory source for telecom, distributor, OEM, and selected low-voltage buyers.
- Factory-direct communication for model selection and quotation
- Bulk supply and distributor order support
- Neutral packaging for standard orders
- OEM packaging support by project discussion
- Model comparison support across UY, UY2, UR, UR2, and UB2A
- RoHS and REACH documentation can be arranged for qualified orders
FAQ
Buyer questions
What is a UY2 connector?
A UY2 connector is a yellow gel-filled 2-wire IDC splice connector used to join two supported solid copper telephone wires without stripping the insulation.
What wire sizes does the UY2 connector support?
The UY2 connector supports 0.4-0.9 mm / 26-19 AWG solid copper wire, with a maximum insulation outside diameter of 2.08 mm.
Is the UY2 connector gel-filled?
Yes. The UY2 connector is gel-filled to help reduce moisture exposure around the splice area in suitable telecom field environments.
Is the UY2 connector waterproof?
The UY2 connector is moisture-resistant, not designed for full submersion. Final protection depends on wire fit, crimping quality, and the surrounding closure or cable system.
What is the difference between UY and UY2 connectors?
UY is the compact yellow 2-wire splice for 0.4-0.7 mm wire and maximum insulation O.D. of 1.52 mm. UY2 is the larger yellow 2-wire format for 0.4-0.9 mm wire and maximum insulation O.D. of 2.08 mm.
What is the difference between UY2 and UR connectors?
UY2 is a yellow 2-wire straight splice connector. UR is a red connector for 2-wire or 3-wire repair and tap splice requirements.
Is UY2D the same as UY2?
No. UY2D is a dry non-gel variant in the UY2 family, suitable for indoor applications where gel filling is not required. The standard UY2 is gel-filled for moisture-resistant field connections. Buyers should confirm the intended model before ordering.
How do you install a UY2 connector?
Insert two supported solid copper wires fully into the connector body, then crimp the yellow cap with a compatible tool or suitable pliers until the connector is fully seated. No stripping or soldering is required.
Can Mintel supply UY2 connectors in bulk?
Yes. Mintel supports factory-direct bulk supply, distributor orders, neutral packaging, and OEM packaging discussion for qualified B2B buyers.
Can I include UY2 with other connector models in one inquiry?
Yes. Buyers can include UY, UY2, UR, UR2, UB2A, and UY2D requirements in one inquiry. Share model names, quantities, wire specifications, packaging needs, destination country, and documentation requirements.
Connect With Ease
Send your connector requirement
Share the model, estimated quantity, wire specification, packaging preference, and destination country. Mintel can review the requirement for factory direct supply.