NOTCH NAME (across)	Normal Strat	On with Neck	Series with Neck	Series-Middle/ On with Neck	Series-Neck/ Out of phase	out of phase/ On with Neck
5-way (down)	Tone control (10)	(9)	(8)	(7)	(6)	(5)
(1) neck	n	B+N	n	(B*M)+N	n	-B+N
(2) middle+neck	m+n	B+M+N	m+n	m+n	m+n	-B+M+N
(3) middle	m	m	m	m	m	m
(4) bridge+middle	b+m	b+m	(B*N)+M	m	(-B*N)+M	-B+M
(5) bridge	b	b	B*N	B*M	-B*N	b

The Chromacaster (c) changes the way the bridge pickup is wired into the circuit.
The NAMES of the NOTCHES describe HOW the bridge pickup is wired...

KEY:
lower case letters = "stock" strat tones                     UPPER CASE BOLD  = new Chromacaster tones
+ = wired parallel                                                  * = wired in series                 - = wired out of phase