The stator, containing four slots, contains both the primary winding and the two secondary windings.
Some secondary windings may also be connected together.
It is now quite common for mains transformers to have two secondary windings that are identical.
Suppose that a transformer has to 6 volt 250 milliamp secondary windings.
A more likely method of connection is with the two secondary windings connected in series, as shown in Fig. 1 (a).
The secondary windings could be connected to several 'electric candles' (arc lamps) of his own design.
One end of the 3 secondary windings are connected to a 'neutral' wire, which is grounded.
The other end of the 3 secondary windings, along with the neutral, are brought down the service drop to the service panel.
The ignition coil's secondary windings are connected to the distributor cap.
Any problem here can be overcome by swopping the primary and secondary windings.