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Grounding Block / Terminal Block / Buss Bar

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Part# 11-13347


Grounding Block/Terminal Block/Buss Bar

This compact, high quality grounding block is CNC machined out of UHMW high density plastic and is manufactured by Superior Panel Technology. It comes complete with a nickel-plated copper buss bar and stainless steel nuts with nylon lock washers, stainless steel flat and locking washes and 6 stainless steel screws (5 are 6/32 screws and one is 8/32 for the incoming ground/power). Each screw can accept up to four ring terminals by placing them back to back (see picture). Overall dimension is 4.25" long by .75 wide.


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This terminal block is exactly what I needed for my homebuilt aircraft. I originally purchased one for a grounding block but liked it so well that I purchased a second one for a positive buss bar.

Stephen P
August 3, 2020

Good bus bar, quality built.

Gary K
September 25, 2020


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What is the amp rating?

40 amp

Q: Hello, please would you have a 3D model, compatible with Solidworks, for these 2 PN : Part# 07-19993 : EFII GROUND BUS and Part# 11-13347 : GROUNDING BLOCK / TERMINAL BLOCK / BUSS BAR

Unfortunately we do not have any 3D models available for these items.

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