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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

ELECTRIC POLARITY & GROUND TESTING
sa   ELECTRIC CONTINUITY TESTING
x   OUTLET TESTER (ELECTRIC)
x   POLARITY TESTING (ELECTRIC)
xx   ELECTRIC CONTINUITY TESTING
xx   ELECTRIC WIRING
xx   ELECTRONIC TESTING
xx   GROUNDING (ELECTRIC)

Four household circuit testers and what each will and won't do.
CANADIAN WORKSHOP Mar 1986 (v.9#6) pg. 18

Polarity-sensitive continuity tester and voltage sensor. Est. cost: $3.
CQ. THE RADIO AMATEUR'S JOURNAL Apr 1981 (v.37#4) pg. 86

AC outlet tester uses half-wave rectified 120 volts AC to power a multivibrator circuit that produces aural and visual indication of power. Est. cost: $6 (kit).
ELECTRONICS HOBBYISTS HANDBOOK 1991 pg. 14

Voltage tester glows red when connected to 5- to 400-volts, either AC or DC. Also shows polarity of DC voltage.
ELECTRONICS ILLUSTRATED Nov 1970 (v.13#6) pg. 87

Outlet tester checks three-prong AC outlets to determine if they are wired correctly.
ELEMENTARY ELECTRONICS Sep-Oct 1976 (v.16#5) pg. 65
Correction ELEMENTARY ELECTRONICS Mar-Apr 1977 (v.17#2) pg. 27

Using electrical testers. Tips on using a circuit analyzer, continuity tester, circuit tester, and multimeter.
FAMILY HANDYMAN #305 Feb 1990 (v.40#2) pg. 8

How to find an open ground in an electrical circuit, trace and correct the problem.
FAMILY HANDYMAN #381 Sep 1997 (v.47#8) pg. 64

Tip: Modify a standard outlet-tester to check for a grounded outlet cover plate on older, two-wire electric circuits.
HANDS-ON ELECTRONICS Spring 1985 (v.2#4) pg. 58

Chemical polarity experiment. With some phenolphthalein, alcohol, salt, and odds and ends you can build a simple polarity meter and learn something about electrochemistry.
HANDS-ON ELECTRONICS Mar 1988 (v.5#3) pg. 41
Added Info HANDS-ON ELECTRONICS Jun 1988 (v.5#6) pg. 5

Electrical testing. Equipment and techniques for locating short circuits, open circuits, and changes in electrical value.
HOMEOWNER Jul-Aug 1983 (v.8#4) pg. 20

Outlet tester indicates if a three-prong outlet has been wired up correctly. Also includes plans for a testing unit to determine that the outlet tester is operating properly.
INDUSTRIAL EDUCATION Dec 1978 (v.67#9) pg. 38

Ground-checker determines of the third wire (ground wire) in your home electrical system is really at ground potential.
MECHANIX ILLUSTRATED #496 Sep 1969 (v.65) pg. 120

Ground tester tells you by means of a light if your home electrical outlets are wired up properly.
POPULAR ELECTRONICS [1] Aug 1969 (v.31#2) pg. 71

Three circuits all use light-emitting diodes. (1) Relaxation oscillator blinker, (2) dual blinker, and (3) polarity reversal alarm.
POPULAR ELECTRONICS [1] Oct 1970 (v.33#4) pg. 101

DC polarity indicator, using two light-emitting diodes, also reveals presence of AC voltages and provides a rough idea of both AC and DC voltage levels. Works anywhere between 1.5- and 150-volts.
POPULAR ELECTRONICS [1] Apr 1974 (v.5#4) pg. 71

Simple polarity probe is great for checking IC's, automobile wiring, etc.
POPULAR ELECTRONICS [2] Nov 1989 (v.6#11) pg. 25

LED indicator circuits for all occasions. (1) AC pilot light. (2) DC pilot light. (3) Polarity indicator. (4) 5-volt voltage-level indicator. (5) Oscillator-driven flasher. (6) Decoder converts audio CW code into visual dots and dashes.
POPULAR ELECTRONICS [2] Oct 1991 (v.8#10) pg. 82

Dual-function 12-volt DC and continuity tester circuit. Either determines the presence and polarity of a 12-volt DC source or functions as a continuity tester.
POPULAR ELECTRONICS [2] Aug 1995 (v.12#8) pg. 32

Simple diode circuits. (1) Bridge rectifier. (2) Sound-level (audio signal) limiter circuit never exceeds 1.5-volts peak-to-peak. (3) DC polarity or AC indicator circuit. (4) Kick-back voltage limiter for inductive loads. (5) Steering circuit controls relays based on voltage polarity. (6) Simple temperature sensor. (7) Circuit for selecting matching diodes.
POPULAR ELECTRONICS [2] May 1996 (v.13#5) pg. 64

Four-diode bridge circuit is used to direct the proper polarity of a DC battery or power supply to a circuit.
POPULAR ELECTRONICS [2] May 1997 (v.14#5) pg. 63

A collection of troubleshooting circuits. (1) Voltage testers. (2) Polarity indicator. (3) Continuity tester. (4) Transformer tester. (5) Meter resistance tester. (6) Intermittently-open circuit tester.
POPULAR ELECTRONICS [2] Aug 1997 (v.14#8) pg. 67

Outlet ground tester checks ground connections in house wiring.
POPULAR MECHANICS Jul 1965 (v.124#1) pg. 148

Auto battery polarity tester. Est. cost: $2.
POPULAR MECHANICS Nov 1966 (v.126#5) pg. 166

Three-wire socket checker. This device checks 3-wire outlets for presence of voltage, for correct polarity, and for an effective ground connection.
POPULAR MECHANICS Mar 1967 (v.127#3) pg. 188

Electric outlet tester tells you if three-wire outlets have been wired up correctly. A built-in meter also displays the voltage.
POPULAR MECHANICS Jun 1976 (v.145#6) pg. 42

Combination continuity tester and polarity indicator fits into a pill vial. Suitable for 6- and 12-volt automobile electrical systems.
POPULAR MECHANICS Mar 1977 (v.147#3) pg. 184

Make this ground and continuity tester. Use it to check your automobile cables. Est. cost: $2.
POPULAR MECHANICS Nov 1978 (v.150#5) pg. 60

Matchbox-sized gadget (1) determines polarity of 6- or 12-volt system, (2) checks for presence or absence of voltage and (3) tests electrical continuity.
POPULAR SCIENCE Apr 1972 (v.200#4) pg. 154

How to check for wrong-way polarity in your home wiring.
POPULAR SCIENCE Jul 1985 (v.227#1) pg. 85

Build this AC outlet checker to test polarity and grounding.
RADIO-ELECTRONICS Aug 1979 (v.50#8) pg. 53

How to determine the polarity of the voltage at a certain point in a circuit.
RADIO-ELECTRONICS Jan 1983 (v.54#1) pg. 72

Polarity tester device will indicate the polarity of a battery or battery charger, either 6- or 12-volt. Est. cost: $3.
RADIO-TV EXPERIMENTER #789 Jun-Jul 1966 (v.20#3) pg. 89

Polarity indicator for a 6- or 12-volt battery or charger. Est. cost: $3.
SCIENCE & MECHANICS May 1968 (v.39#5) pg. 71