12F609 - 3Ø Protective Device Installation on 3Ø Underground Termination Pole

Revision 17
Aug 27, 2020

Note: This standard has been updated with a fiberglass crossarm but the drawing has yet to be updated.

 

Notes:

  1. This assembly is intended for use with 3Ø reclosers and sectionalizers. Engineer must specify the Compatible Unit for desired protective device.
  2. Important — connect control transformer to source side! Control transformer is internally fused and does not require a cutout.
  3. Install 90° terminal lugs (Compatible Unit T0704) on the load side of the disconnect switches feeding the protective device.

Notes:

  1. N.O. = Normally Open
    N.C. = Normally Closed
  2. Drill holes as required to obtain arm spacing shown above. Treat holes with copper naphthenate solution (MID 442228) per T&D Guideline 4-5-16.0.

Material List

Compatible Unit Description Quantity
BA10B 12470 Gnd Y/7200-120V (T) 1
C0540 Tap Wire, Insul #4 Soft Drawn Copper 80
C0550 Tap Wire, Insul 4/0 Soft Drawn Copper 80
DB0208 Recloser, 3Ø 14kV 630A STS Solid Dielectric Non-DA 1
D0502 Switch, 600A 15kV Disconnect Xarm Mount 6
F0213 Bend, Conduit Fiberglass 4" 90° 48" R 1
F0230 Riser, 3" PVC - Control Cable 1
I0103 Insulator, Spool w/ Rack #2 1
I0380 Insulator, 15kV Polymer Vertical Clamp-Top 6
K0201 Arrester, Surge 10kV 3
N0110 Plate, Cu Ground 288 in2 1
R0206 Bar, Spacer Termination/Arrester 3
R0302 Capacitor Bank and Control & Protective Equipment Racks 1
R1801 Standoff w/ 12" T-Slot 2
T0714 Terminal, Comp Captive Bolt 4/0 kcmil AAC/CU 15
T0924 Bar, Extension Terminal Single Tap 12
T0953 Stainless Steel Bolt Assembly 6
T1013 Termination, Cable Outdoor #1/0 Al 15kV Jckt 3
W0201 Holder, Switch Number 2
X0301D Crossarm, 10' Double Tangent Fiberglass 1
X0301 Crossarm, 10' Single Tangent Fiberglass 1
Z0102 Clamp, Hotline 10
Z06* Connector, Wedge 3
Z060+ Connector, H-Type Al Compression 4
Z0701 Connector, "C" Compression Cu #4 to #4 3
Z0702 Connector, "C" Compression Cu #2 to #4 3