WARNING TO LISTENERS

Radio Record, Volume I, Issue 14, 21 October 1927, Page 7

WARNING TO LISTENERS

RADIO AND TELEPHONES. The Secretary of the General Post Office, Wellington, advises that under no circumstances is the telephone or earth wire attached to a telephone instrument permitted to be used as an earth connection for a radio receiving set. It is also advisable to warn listenerg that no earth connection through an electric light socket is advisable owing to the potential danger to users of the radio apparatus unless a special device made for the purpose is used. ‘This device is perfectly safe to use, being certified tested up to 2500 volts. It consumes no current, and does tot affect the electric light in any way. But unless such an appliance is employed it is highly dangerous to make any connection to an electric lighting installation. =e.