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2. Electrical safety testing - Wikipedia

   en.wikipedia.org/wiki/Electrical_safety_testing

   Continuity test: a test to check the wiring is correct Earth continuity test: this test is to make sure the earthing system is properly connected Live testing. Earth fault loop impedance testing: this test is to check that if a fault did occur, that the system meets requirements to cause a disconnection of the supply within the time limit ...

3. Electrical outlet tester - Wikipedia

   en.wikipedia.org/wiki/Electrical_outlet_tester

   A receptacle tester for North American wiring. An electrical outlet tester, receptacle tester, or socket tester is a small device containing a 3-prong power plug and three indicator lights, used for quickly detecting some types of incorrectly-wired electrical wall outlets or campsite supplies.

4. The Best Multimeters to Safely Test Your Electrical Systems - AOL

   www.aol.com/best-multimeters-safely-test...

   Accurately test and troubleshoot electrical voltage, current, and resistance with this must-have tool. ... When tackling DIY projects that involve any kind of electrical wiring, components, or ...

5. Continuity test - Wikipedia

   en.wikipedia.org/wiki/Continuity_test

   In electronics, a continuity test is the checking of an electric circuit to see if current flows (that it is in fact a complete circuit). A continuity test is performed by placing a small voltage (wired in series with an LED or noise-producing component such as a piezoelectric speaker ) across the chosen path.

6. National Electrical Code - Wikipedia

   en.wikipedia.org/wiki/National_Electrical_Code

   The National Electrical Code (NEC), or NFPA 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment in the United States. It is part of the National Fire Code series published by the National Fire Protection Association (NFPA), a private trade association . [ 1 ]

7. Breakout box - Wikipedia

   en.wikipedia.org/wiki/Breakout_box

   It will usually have connector pins that let the user short pins together using electrical jumpers or gain access to individual signal lines with an oscilloscope or other test equipment. RS-232 breakout box: Typically, RS-232 breakout boxes offer complete control of the RS-232 interface, test, re-wire, and open signal lines. These devices are ...