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TCJ transmission cable joints are designed for 46 kV through 138 kV class systems on solid dielectric cables. They provide permanent, fully shielded, fully submersible cable joints for direct-burial or vault applications.

For 138 kV systems, the Basic Impulse Level (BIL) rating is 650 kV (1.2 x 50μs; 10 positive, 10 negative impulses).

Yes, joints may be installed as a standard shield break or non-shield break. A shield break option is specifically provided for cross bonding purposes on Style 4.

TCJ transmission cable joints are suitable for direct-burial or vault applications, providing permanent, fully shielded, and fully submersible cable joints.

The minimum corona extinction voltage for 138 kV TCJ joints is 120 kV with 3 pC sensitivity.

The minimum corona extinction voltage for 69 kV TCJ joints is 60 kV with 3 pC sensitivity.

For 69 kV systems, the Basic Impulse Level (BIL) rating is 350 kV (1.2 x 50μs; 10 positive, 10 negative impulses).

TCJ joints are rated for 69 kV and 138 kV nominal system voltages. The corresponding maximum system voltages are 72.5 kV and 145 kV, respectively.

The maximum continuous conductor temperature for TCJ transmission cable joints is 90 °C.

For Style 1 (through 69 kV), insulation diameters range from 1.43 inches to 2.58 inches. For Style 4 (through 138 kV), diameters range from 2.25 inches to 3.62 inches.

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