5kV Medium Voltage Trifurcating Joint
Three-core to three, single core 2.3-6.6kV extruded dielectric shielded cable

The Innovative Power Products MVJT 050T series joint is a heatshrinkable system for jointing shielded three-core 5kV (2.3-6.6kV) extruded dielectric medium voltage cable to three, single-core extruded dielectric power cables. The kit has a heatshrinkable cable breakout boot and jacketing tubings to convert the three-core cable into three, single-core cables. After converting the three-core cable, the MVJT 050T kits are installed to complete the trifurcation. The joint can be installed on three-core armored and unarmored cables.

MVJT 050T kits provide a lightweight, compact and environmentally sealed system for splicing extruded dielectric shielded power cable. These features allow the installation of this jointing system in duct systems, vaults, submersible or direct-buried applications. This system provides a total environmental seal; joint failures in flooded vaults are eliminated.

  • MVJT 050T kits are factory engineered to provide fast and easy installations with reliable performance.

    All MVJT kits are designed to meet or exceed the requirements of the applicable sections of the following cable and cable accessory standards: IEEE-404, IEEE-48, ICEA-66-524, ICEA-66-516, and ANSI C119.2.

  • MVJT 050T kits cover a wide range of conductor sizes and shapes. It will accommodate out-of-round or off-tolerance cables, in both round and sector shaped conductor. The standard kit fits all cable constructions including: metallic tape, drain wire shielded or Unishield® power cable. The MVJT kits can be used for size transitions within the actual kit’s cable use range. Four (4) kit sizes cover all cable sizes from 6 AWG through 1500 kcmil. When preparing the cable ends, no pencilling of the cable insulation is required.

Electrical Specifications: 5kV Trifurcating Joints
Test Requirement
Value MVJT 050T
AC withstand, 1 minute (60 hz)
18 kV PASS
DC withstand, 15 minutes
35 kV PASS
Partial Discharge (Corona) Voltage (<3pC)
4.3 kV >4.3 kV
Impulse withstand 1.2 x 50 μs (crest kV)
75 kV > 75 kV
AC withstand 1 hour (60hz)
27 kV PASS
AC withstand 5 hour (60hz)
18 kV PASS
Continuous current rating
= Cable = Cable
Submersion test (ANSI C119.2)
Pass 52 cycles Pass 52 cycles
Bill of Materials: Std. Pkg.(1 kit) = 1 each, 3/C to 3-1/C joint
Item Description
Quantity Supplied
Cable Breakout Boot
1 per kit In All Kits
Ground Jacketing Tube
3 per kit In All Kits
Core Jacketing Tube
3 per kit In All Kits
MVJ 050T Series Kit Black Jacketing Tube or Wraparound Sleeve***
3 per kit In All Kits
Sealed Grounding Kit
3 per kit G - Gmod Kit**
Cable Preparation Kit
3 per kit P - Pmod Kit**
Butt-Splice Connector
1 per kit Factory Quoted*
Installation Guide
1 per kit In All Kits

  • To download a PDF copy of the data sheet Click here.

    For a complete PDF of the current IPP catalog Click Here. If you would like the catalog in a printed version, please go to the "Catalog Request" page via the link at the top of the page.

Each MVJ factory engineered kit is an individually packaged single-core shielded cable joint. Everything is included to splice three single-core cables less the butt-splice connector and external grounding components. External grounding components can be included as a kit option. Connectors can be supplied in the kits; subject to factory quote.

  • MVJT 050T: Price List PL-618

5kv Selection Guide
Conductor Range
Catalog #





Length Max.
Connector O.D. Min. Installed Length
Min Max
6-1/0 AWG
0.35 0.70 3.00 0.60 26.0 64.0
2/0-250 kcmil
0.55 0.90 4.25 0.90 28.0 65.0
350-750 kcmil
0.80 1.30 6.00 1.25 29.0 67.0
1000-1500 kcmil
MVJT 054T 1.30 1.60 8.00 1.60 32.0 70.0

All dimensions in inches unless shown otherwise

Ordering Information

1. Find the cable’s conductor size in the selection guide above and identify the kit catalog number. This kit will be all that is needed to splice one three-core cable to three single-core cables less the connectors and shield grounding kits.
2. Add the mod kit letter designation as needed to change the base kit:

G - sealed grounding kit (Gmod)
P - cable cleaning kit (Pmod)
Example 1:
For a 3/C (armored or unarmored), 5kV, 2 AWG, cable spliced to a 3-1/C, 5 kV, 2 AWG, cables with a solderless grounding kit (G mod):

  Example 2:
For a 3/C, 2/0 AWG, copper conductor 5kV cable spliced to 3-1/C, 250 kcmil, copper conductor, 5kV cable with cable cleaning kit:

* CONNECTORS: To have connectors supplied in the kits, please refer to Section 5 in this catalog for connector selection information. The connectors must be ordered separately but can be packaged within the kits if detailed information is supplied.
** Supplied if specified.
*** WRAPAROUND SLEEVE with stainless steel channel– Contact IPP for more information.

QUESTIONS OR QUOTES EMAIL US AT: sales@ippcorp.com or CALL TOLL FREE 1-800-544-4626