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2. NEMA connector - Wikipedia

   en.wikipedia.org/wiki/NEMA_connector

   NEMA 5-15P plug and NEMA 5-15R receptacle (different scales, blade spacing is 0.5 inches (12.7 mm) for both.) Each receptacle also accepts an ungrounded plug, whether polarized or unpolarized. Typical 5-15R residential receptacle 5-20R T-slot receptacle mounted with the hole for the ground pin at the top. The neutral connection is the wider T ...

3. Three-prong adaptor - Wikipedia

   en.wikipedia.org/wiki/Three-prong_adaptor

   [1]: 112 They are needed to allow appliances with 3-wire power cords to plug into legacy ungrounded (two slot) receptacles found in older buildings. The use of such an adapter avoids the need to replace receptacles, but is potentially hazardous if the grounding tab is not connected to electrical ground.

4. AC power plugs and sockets - Wikipedia

   en.wikipedia.org/wiki/AC_power_plugs_and_sockets

   The devices are named using the format NEMA n-mmX, where n is an identifier for the configuration of pins and blades, mm is the maximum current rating, and X is either P for plug or R for receptacle. For example, NEMA 5-15R is a configuration type 5 receptacle supporting 15 A. Corresponding P and R versions are designed to be mated. Within the ...

5. 15 Parts of Your House That Will Always Fail a Home Inspection

   www.aol.com/finance/15-parts-house-always-fail...

   When it comes to electrical systems, ungrounded receptacles, exposed light bulbs, double-tapped circuit breakers, and malfunctioning GFCI outlets are all issues a home inspector must note on their ...

6. 15 Things That Will Always Fail a Home Inspection (and ... - AOL

   www.aol.com/15-things-always-fail-home-160000027...

   When it comes to electrical systems, ungrounded receptacles, exposed light bulbs, double-tapped circuit breakers, and malfunctioning GFCI outlets are all issues a home inspector must note on their ...

7. Power cord - Wikipedia

   en.wikipedia.org/wiki/Power_cord

   A lamp cord (also known as a zip cord) is a light-weight, ungrounded, single-insulated two-wire cord used for small loads such as a table or floor lamp. A cord set includes connectors molded to the cord at each end (see Appliance coupler). Cord sets are detachable from both the power supply and the electrical equipment, and consist of a ...

8. IEC 60320 - Wikipedia

   en.wikipedia.org/wiki/IEC_60320

   A variety of different kinds of IEC 60320 plugs and sockets. IEC 60320 Appliance couplers for household and similar general purposes [1] is a set of standards from the International Electrotechnical Commission (IEC) specifying non-locking connectors for connecting power supply cords to electrical appliances of voltage not exceeding 250 V (a.c.) and rated current not exceeding 16 A. [1 ...

9. Ground (electricity) - Wikipedia

   en.wikipedia.org/wiki/Ground_(electricity)

   Where the danger of electric shock is high, special ungrounded power systems may be used to minimize possible leakage current to ground. Examples of such installations include patient care areas in hospitals, where medical equipment is directly connected to a patient and must not permit any power-line current to pass into the patient's body.