Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
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The entries are in alphabetical order by magazine name and then in chronological sequence.
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Electrostatic voltage probe will determine if AC terminals, sockets, or extension cords are live without connecting a voltmeter.
ELECTRONICS NOW Dec 1998 (v.69#12) pg. 53

AC/DC indicator circuit can distinguish between AC or DC voltages, positive or negative DC voltages, and indicate the presence or absence of a voltage.
POPULAR ELECTRONICS [2] Feb 1991 (v.8#2) pg. 83

Simple voltage probe can check for live AC or DC circuits in equipment being repaired.
POPULAR ELECTRONICS [2] Nov 1991 (v.8#11) pg. 22

Voltage probe lights a red LED when connected to 1.25-volts or more and a green LED when voltage is less than 1-volt. Low-frequency pulses with an amplitude of 1.5 volts or greater will cause both LED's to light.
POPULAR ELECTRONICS [2] Sep 1992 (v.9#9) pg. 70

Cordless voltage probe uses a piezoelectric buzzer to indicate the presence of a voltage. Can also become a continuity tester with the addition of a 9-volt battery.
POPULAR ELECTRONICS [2] Mar 1999 (v.16#3) pg. 47

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