ECN Forum Forums Code Related Discussion NEC & other Code issues Temp Power Grounding

AKMASTER:

Per HotLine1's post:



The Attached Drawings may be of assistance:



Fig. 1: Front View of Transformer - Details of Lead Terminations.
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Fig. 2: Top View of same Transformer.
a.: GEC runs out the back of the Transformer;
b.: Primary Feeders enter on the Right-Side of Transformer;
c.: Secondary Feeders exit on the Left-Side of Transformer;
d.: 3-Terminal Lug with Green Bolt (connected to XO Lug via System Bonding Jumper) is Physically Bonded to the Transformer Enclosure.
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Fig. 3: Transformer Winding Connections Schematic, with OCPDs and SDS Panelboard.
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Figure #3 Notes:

1.: On the Secondary side's Connections, Terminal "XO would be physically located at the "Dot" above the Green Grounding Bus.

2.: The "Ground Symbols" on the Primary and Secondary sides, are Physical Connections to the Transformer's Enclosure. These Terminations may be either a Factory-Installed Jumper, or a Field-Installed Lug.

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These Drawings, along with many others, may be found at the Technical Reference Section of ECN.

--Scott (EE)

Scott:

As always, Thank You for the added info.

Any time John!!!

--Scott (EE)

Thank you very much for your time and feedback!

regards

Greg