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Old 20th Jan 2012, 1:53 am   #63
emeritus
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Join Date: Jan 2012
Location: Brentwood, Essex, UK.
Posts: 5,316
Default Re: Another unusual plug and some other questions

In the late 1960s the Electrical Engineering laboratories of University College, Cardiff used Walsall gauge plugs for the public 240VDC mains supply. By 1969 the only other customer of the public DC supply was the municipal trolleybus system, and they were being phased out as the DC power station at Colchester Avenue was nearly life-expired. The labs therefore had to install a motor-generator set for DC machines experiments.

Some of the equipment in the electronics lab was fitted with stacking 13A AC plugs to BS1363, but I don't recall the manufacturer.
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