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- Wedge_base abstract "A wedge base is a type of electrical connector used as a fitting for small light bulbs. It is similar to the bi-pin connector, except that the two \"pins\" are the same wires that extend into the bulb (rather than being rigid), and the wires are bent up onto the sides of the base, where they make contact with the socket. The wires are usually inserted into a plastic base that the bulb is mounted in, and which is often narrower at the tip than at the bulb, giving it a wedge shape and usually ensuring a tight connection, depending on manufacturing tolerances. Some bulbs have no plastic base, and the wires are simply bent up to the sides of the bulb's glass base. The bulb is inserted and removed with straight in or out force, without turning as with a bayonet mount or Edison screw, on certain bi-pin light sockets. For true wedges, compression is the force that holds the bulb in, while others use simple friction, or snap into a socket with spring-loaded electrical contacts that \"grab\" the corners or other protrusions on the base to prevent loosening from vibration. In contrast, a \"slide base\" (sometimes \"telephone slide base\") lamp also is inserted in a socket without rotation, but has two long contacts on either side of the lamp envelope connected to the lead wires. Bulbs of this type are commonly used in automotive lighting and in low-voltage lighting used in landscape lighting. The bulb may have dual filaments, acting as both a low-wattage tail light or parking light and a higher-wattage brake light or turn signal. In this case, one has its contacts near the center of the base, and the other toward the outside edges, so that they cannot be accidentally swapped. Along with putting contacts on the opposite (alternating) sides, this gives the base rotational symmetry so that the user does not have to determine the exact position of the bulb before inserting a new one.Wedge bases are designated with the letter W and possibly a second letter indicating the exact type (often keyed to prevent the wrong colors from being used in automobiles), the thickness in millimetres, a lowercase x, the width in millimeters, and a lowercase d to indicate a double-contact (single-filament) bulb or q for a quad-contact (dual-filament) one. Like small bi-pins, the measurement may be expressed as a decimal, such as 2.5, instead of a whole number. LED bulbs are also made that will retrofit incandescents with the same base, but may affect the electrical relay that controls the blinking of turn signals, or cause others sensors to assume that a light bulb is out (see idiot light). In this type of \"bulb\", all of the LEDs may light regardless of which of the contacts are activated on the base, but like a dimmer or a three-way screw-in fluorescent, the brightness is changed instead by the bulb's internal electronic wiring.Although several types of fixture-ballasted compact fluorescent bulbs (such as the common PL-13) use a large wedge-like base, they are designated as bi-pin or quad-pin bases.".
- Wedge_base thumbnail Philips_12V_5W.jpg?width=300.
- Wedge_base wikiPageID "25141332".
- Wedge_base wikiPageLength "7092".
- Wedge_base wikiPageOutDegree "66".
- Wedge_base wikiPageRevisionID "648817841".
- Wedge_base wikiPageWikiLink Anode.
- Wedge_base wikiPageWikiLink Automotive_lighting.
- Wedge_base wikiPageWikiLink Bayonet_mount.
- Wedge_base wikiPageWikiLink Bi-pin_connector.
- Wedge_base wikiPageWikiLink Brightness.
- Wedge_base wikiPageWikiLink Category:Electrical_connectors.
- Wedge_base wikiPageWikiLink Category:Mechanical_standards.
- Wedge_base wikiPageWikiLink Category:Types_of_lamp.
- Wedge_base wikiPageWikiLink Cathode.
- Wedge_base wikiPageWikiLink Christmas_decoration.
- Wedge_base wikiPageWikiLink Christmas_lights.
- Wedge_base wikiPageWikiLink Christmas_ornament.
- Wedge_base wikiPageWikiLink Compact_fluorescent_lamp.
- Wedge_base wikiPageWikiLink Compression_(physics).
- Wedge_base wikiPageWikiLink Dimmer.
- Wedge_base wikiPageWikiLink Edison_screw.
- Wedge_base wikiPageWikiLink Electric_light.
- Wedge_base wikiPageWikiLink Electric_power.
- Wedge_base wikiPageWikiLink Electrical_ballast.
- Wedge_base wikiPageWikiLink Electrical_conductor.
- Wedge_base wikiPageWikiLink Electrical_connector.
- Wedge_base wikiPageWikiLink Electrical_contacts.
- Wedge_base wikiPageWikiLink Electrical_network.
- Wedge_base wikiPageWikiLink Electrical_polarity.
- Wedge_base wikiPageWikiLink Electronics.
- Wedge_base wikiPageWikiLink Engineering_tolerance.
- Wedge_base wikiPageWikiLink Extra-low_voltage.
- Wedge_base wikiPageWikiLink Friction.
- Wedge_base wikiPageWikiLink Fuse_(electrical).
- Wedge_base wikiPageWikiLink General_Electric.
- Wedge_base wikiPageWikiLink Glass.
- Wedge_base wikiPageWikiLink Hexagon.
- Wedge_base wikiPageWikiLink Icicle.
- Wedge_base wikiPageWikiLink Incandescent_light_bulb.
- Wedge_base wikiPageWikiLink Landscape_lighting.
- Wedge_base wikiPageWikiLink Leaf_spring.
- Wedge_base wikiPageWikiLink Light-emitting_diode.
- Wedge_base wikiPageWikiLink Light_fixture.
- Wedge_base wikiPageWikiLink Lightbulb_socket.
- Wedge_base wikiPageWikiLink List_of_automotive_light_bulb_types.
- Wedge_base wikiPageWikiLink Manufacturing.
- Wedge_base wikiPageWikiLink Natural_number.
- Wedge_base wikiPageWikiLink Philips.
- Wedge_base wikiPageWikiLink Plastic.
- Wedge_base wikiPageWikiLink Relay.
- Wedge_base wikiPageWikiLink Resistor.
- Wedge_base wikiPageWikiLink Retrofitting.
- Wedge_base wikiPageWikiLink Rotational_symmetry.
- Wedge_base wikiPageWikiLink Sensor.
- Wedge_base wikiPageWikiLink Store_brand.
- Wedge_base wikiPageWikiLink Tell-tale_(automotive).
- Wedge_base wikiPageWikiLink Twinkle_bulb.
- Wedge_base wikiPageWikiLink Vibration.
- Wedge_base wikiPageWikiLink Water.
- Wedge_base wikiPageWikiLink Wedge_(geometry).
- Wedge_base wikiPageWikiLink Wire.
- Wedge_base wikiPageWikiLink File:LEDwedges.jpg.
- Wedge_base wikiPageWikiLink File:Philips_12V_5W.jpg.
- Wedge_base wikiPageWikiLinkText "Wedge base".
- Wedge_base wikiPageWikiLinkText "wedge base".
- Wedge_base subject Category:Electrical_connectors.
- Wedge_base subject Category:Mechanical_standards.
- Wedge_base subject Category:Types_of_lamp.
- Wedge_base hypernym Connector.
- Wedge_base type Road.
- Wedge_base type Application.
- Wedge_base type Component.
- Wedge_base type Lamp.
- Wedge_base type Source.
- Wedge_base comment "A wedge base is a type of electrical connector used as a fitting for small light bulbs. It is similar to the bi-pin connector, except that the two \"pins\" are the same wires that extend into the bulb (rather than being rigid), and the wires are bent up onto the sides of the base, where they make contact with the socket.".
- Wedge_base label "Wedge base".
- Wedge_base sameAs Q7979168.
- Wedge_base sameAs m.09gq78x.
- Wedge_base sameAs Q7979168.
- Wedge_base wasDerivedFrom Wedge_base?oldid=648817841.
- Wedge_base depiction Philips_12V_5W.jpg.
- Wedge_base isPrimaryTopicOf Wedge_base.