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Hi All,
I am well into designing a new panel, that I will probably ultimately install 
over
the winter months.
My thoughts are to place the Master Switch on a keyed 12V switch (One that does
not allow the key to be removed in the "live" position); and then put the 
Left/Right
Mags and "Alternator" Relay (i.e. Voltage Regulator disconnection relay)
on to standard pole switches.
The starter circuit would go on a protected push button switch. 
Through this process I am wondering why aircraft are wired the way they are. Is
there any reason that the Master Switch is free to be switched on and the 
ignition
is keyed? 
. I can see the safety aspect of starting the engine, but in my proposal this 
would
be covered, by 1) a keyed master switch, and 2) a protected push button switch.
I guess I am asking you all to sanity check the idea, because I am not sure 
of/can't
see the negatives myself.
Regards
Jon
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