[Amps] 220V wiring: Was Question about safety ground connection

[Bill Turner]

At 08:33 AM 11/16/2005, R. Measures wrote:

>Since many ovens and dryers use 120v lamps for internal 
>illumination, going to a 240v-components-only no-neutral circuit 
>would be problematic.

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Yes, I'm sure that is the reason the four-wire circuit is permitted. 
I still maintain the safest and best approach for future equipment 
would be two hots and ground, with no neutral. There are plenty of 
240 volt lamps, timers, etc, available to designers.

73, Bill W6WRT