Re: SULFUR hexaflouride

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Ed Phillips by way of Terry Fritz <teslalist-at-qwest-dot-net>" <evp-at-pacbell-dot-net>

Tesla list wrote:
 >
 > Original poster: "davep by way of Terry Fritz <teslalist-at-qwest-dot-net>" 
<davep-at-quik-dot-com>
 >
 > >>  .... a 7KV Sodium hexafluoride relay
 >
 >          Sulfur hexafluoride....
 >          (Sodium is 'Na' ....)

	Sodium fluoride IS used for roach powder.  Some relays used other gases
under high pressure and, of course, there are a lot of HV vacuum relays
in use but their contacts are easy to weld with high enough peak
currents.

Ed