A standard has been set for the patterns of plugs and sockets used for connecting radios, radiators, irons, and other equipment to electric power supply. With the main idea of making electrical plugs and sockets for a like purpose interchangeable,- a committee acting within the aegis of the Standards Institute has formulated a New Zealand standard specification for flat-pin plugs and sockets for use on 10 ampere 250 volt circuits. This sets out the essential requirement for the two patterns of plugs and sockets in common use, establishes the essential dimensions and outlines the desirable properties of the materials of construction. Primarily, the intention is that the three-pin pattern be used for appliances- which should be earthed by thc/third cord in a threecore flexible cord or cable, and that the two pin pattern be used for those which need not be earthed.
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Wairarapa Times-Age, 5 October 1939, Page 3
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142Untitled Wairarapa Times-Age, 5 October 1939, Page 3
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