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Medium-voltage cable accessories

Insulated splices

Eaton’s Cooper Power series splices at 15, 25 and 35 kV provides a permanent, fully-shielded, fully submersible cable joint and include advantages for typical applications of repair, replacement or extension of high voltage underground cables.

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Suitable for most applications
Flexible use
Designed for extreme environments
Reliable performance
Fully shielded cable joint
Easy to install

Core features

  • Splices can be installed in conduit, direct buried or in vault applications
  • Meets or exceeds all requirements of IEEE Std 404 standard
  • Designed for use on XLPE, EPR or other solid dielectric insulated underground electrical cables
  • Molded using high-quality, peroxide-cured EPDM insulation for reliable field performance

Insulated splices

This video discusses the core features and key benefits of Eaton’s Cooper Power series insulated splices.

EZ II splice one piece design

The design features of the EZ II splice including the tapered cable entrance, smooth bore, relieved conductive insert and reformulated rubber provide for easier field installation. EZ II splices have been shown to be 30% easier to install than other splices.

Easy to install EZ II splice for fully submersible use

15, 25 and 35 kV class one-piece EZ II splice provides a permanent, fully-shielded, fully submersible, easy to install cable joint with a current rating equal to that of the mating cable.
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Splice voltage ratings in accordance with IEEE Std 404 standard

Voltage ratings and characteristics
Description
 Voltage
Standard voltage class (kV)
 15
 25
 35
Maximum rating phase-to-ground (kV rms)
 8.7
 14.4
 20.2
AC 60 Hz 1-minute withstand (kV rms)
 35
 52
 69
DC 15-minute withstand (kV)
 70
 100
 125
BIL and full wave crest (kV peak)
 110
 150
 200
Minimum corona voltage level (kV)
 13
 22
 31

Splice rurrent ratings in accordance with IEEE Std 404 standard

Current ratings and characteristics
Description
 Amperes
Continuous
 Equal to the current rating of the cable per IEEE Std 404 standard
Short Time
 Equal to the current rating of the cable per IEEE Std 404 standard
Download Links
  • 15, 25 and 35 kV EZ II splice product aid
    This brochure describes how Eaton’s Cooper Power series 15, 25 and 35 kV EZ II one-piece splices provide a permanent, fully shielded, submersible cable joint with a current rating equal to that of the mating cable.
    (PDF 104 KB , 31/03/2015)
  • Commercial and industrial medium-voltage electrical distribution products brochure
    This brochure outlines Eaton’s Cooper Power series broad commercial and industrial medium-voltage transformer, switchgear, fuse, sectionalizer, switch, regulator, tool, OEM equipment, cable accessory, lightning arrester, power capacitor and recloser offerings.
    (PDF 2 MB , 24/01/2023)
  • SA series cold shrinkable metallic shield adapter kit product aid
    This brochure describes how Eaton’s Cooper Power series SA series cold shrinkable metallic shield adapter kits make it simple and easy to seal and ground metallic shielded cable when terminating 200 A loadbreak and deadbreak elbows, 600 A deadbreak T-connectors and splices.
    (PDF 102 KB , 30/11/2016)
  • Storm season rapid response information
    Eaton’s Cooper Power series product team works together with the engineering services team to provide a full storm response procedure to quickly ramp up operations in anticipation of storm impact for fast product shipment and remediation of damaged apparatus during storm recovery.
    (PDF 619 KB , 25/07/2019)
  • 600 A 15/25 kV class separable splices catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series 600 A, 15/25 kV Class deadbreak separable splices which are used to splice two, three or four cables or to deadend a single cable.
    (PDF 380 KB , 30/11/2020)
  • 600 A 35 kV class separable splices catalog
    This catalog provides features and ordering information for Eaton’s Cooper Power series 600 A, 35 kV Class deadbreak separable splices which are used to splice two, three or four cables or to deadend a single cable.
    (PDF 383 KB , 01/01/2024)
  • Grounding equipment catalog
    This catalog describes features and ordering information for Eaton’s Cooper Power series grounding elbows which are a preferred operating procedure for deadfront underground systems because they take advantage of the fault close-in characteristics of loadbreak terminators.
    (PDF 764 KB , 16/02/2023)
  • One-piece EZ II splice catalog
    This catalog provides features and ordering information for Eaton’s Cooper Power series 15, 25 and 35 kV class one-piece EZ II splice which provides a permanent, fully shielded, fully submersible cable joint with a current rating equal to that of the mating cable.
    (PDF 104 KB , 30/04/2015)
  • Splices catalog
    This catalog describes features and ordering information for Eaton’s Cooper Power series splices.
    (PDF 2 MB , 10/07/2024)
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