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Old 08-22-2018, 08:19 PM
SteveL SteveL is offline
Join Date: Feb 2014
Location: Granbury, Tx
Posts: 16
Default terminal block

Hello All!
I'm starting the wiring of my RV7A and am using Van's OP-12 and OP-31 to get things started off. The construction of the Terminal block which mounts on the sub-panel directly behind the switches/CBs is pretty straight forward on OP-12. My problem is that I don't understand the need for this terminal block. Any electrical expertise about this issue is greatly appreciated!
Thanks in advance.
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Old 08-25-2018, 06:07 PM
Charles in SC Charles in SC is offline
Join Date: Aug 2006
Posts: 613

I made that thing but did not use it. It was woefully small for the wiring I installed. I wound up with five connection strips that I bought.
Aircraft structure built.
Going at a snail's pace, life gets in the way.
Wiring done.
Engine hung.
Working on cowling.
RV 7
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Old 08-29-2018, 07:10 AM
Raymo's Avatar
Raymo Raymo is offline
Join Date: Nov 2014
Location: Richmond Hill, GA (KLHW)
Posts: 1,875

My OP-12 drawing specifies RV-6 but it could be used as a ground block in a -7 as well.

Most use a forest of tabs on the firewall to bring the battery ground though and ground everything on the aft side. I would also recommend a ground strip for all your audio devices, which will then go to the forest of tabs/ground strip.

The WH-800 terminal block made from UHMW appears to be for the purpose of allowing easier panel removal without having to remove all the switches and CBs first.
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Last edited by Raymo : 08-29-2018 at 07:27 AM.
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