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Piper Style External Power Connector Socket - 11041

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Part# 11-00500
MFR Model# 11041


Cole Hersee 11041 Piper type external power connector socket. Self-grounding, single pole. Diecast housing, spring-loaded door. Solid brass contact, 3/8 (9.5mm) diameter, with insulated tip to prevent short circuits. Rubber boot protects terminals and connections.

Accepts up to 0AWG cable. Fits 2 (50.8mm) diameter hole. Flange holes 21/64 (8.6mm) diameter, 2 15/16 (74.6mm) on centers. Mates with 11042 plug.


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exactly what Ive asked. many tks

Maurizio C Verified Purchase


August 23, 2021

Maurizio C Verified Purchase


August 18, 2021

Good quality product. Be sure to read the installation instruction. Very helpful.

Robert K Verified Purchase


May 28, 2021

This has a receptacle into which we soldered a one gauge shielded wire and then mounted to the side of the aircraft. The dimensions said that it was a 2 inch hole, but a two inch hole saw created too large of a whole. Ended up using a 1 and 3/4 in hole saw to get the correct sizing. Tested it on a doubler before cutting on the actual airplane. Looks nice and installation was straightforward once we solve the problem of the hole saw.

Br F
April 20, 2020

Well made. Fast delivery.

Doc T
January 5, 2018

I own one. It is a good cheap and useful thing to have on airplanes even small ones such as RVs. Surface finish could be improve for a 5 star rating

Le R
November 8, 2012


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: Is this a certified part?

No, this part is non-certified.

Q: How do you attach the cables from the battery to the socket? It looks like there is a hole for each cable, but they are not threaded. Does one have to thread the holes, and then add a screw to secure the end of the cable?

We have added the installation instructions PDF to the "Documents" tab of this web page. Please review them there.

Q: can this piece (Part# 11-00500 MFR Model# 11041) be combinated with piper jumper plug 11042? I need to have this complete combination

Yes that is correct.

Q: Can this be used in a Cessna 172 application or what should I be looking to install?

No, the Cessna 172 has the 3 pin style port. See Part# 11-03158.

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