GE Intellix BMT 330 Installation Manual page 48

Bushing monitoring and partial discharge detection for transformers
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4. Insert the tubing through the metallic
braid and heat shrink the tubing.
5. Strip away about 7 mm (¼ in.) of
insulation from the central conductor.
Twist the strands together.
6. Remove the connector fitting from the
CT.
7. Insert the dome nut, fitting body and
seal ring through the coaxial cable as
shown.
8. Connect the cable to the terminals of
the CT.
9. The central white wire must be
connected to the core side.
10. The braid shield must be connected to
the shield side.
11. Tighten the set screws using a hex key
wrench (1.5 mm).
12. Screw the fitting body into the HFCT
with the seal ring. Hold the wire to
prevent it from twisting.
Recommended torque is 3.75 N m (33
lb in).
13. Screw the dome nut tightly into place.
Recommended torque is 2.50 N m (22
lb in).
14. The fitting and the nut must be
tightened properly to prevent water
ingress.
MA-017 – BMT 330 Installation Manual – Rev 3.3
4-Mar-22
Page 48 of 69

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