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Edison screw: History, Applications, Standards & Regions

Edison screw (ES) is a standard lightbulb socket for electric light bulbs. It was developed by Thomas Edison (1847–1931), patented in 1881, and was licensed in 1909 under General Electric's Mazda trademark. The bulbs have right-hand threaded metal bases (caps) which screw into matching threaded sockets (lamp holders). For bulbs powered by AC current, the…

Language: English [EN]
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Edison screw topic overview

The analysis highlights History, Applications, Standards and Regions as prominent areas in the source structure around Edison screw.

Related topics
78
Source areas
5
Connected nodes
83
Extracted relationships
20
Concept neighborhoods
26
Bridge connections
83

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Types · 39 topics
History · 15 topics
Other uses · 12 topics
Overview · 7 topics
Fittings · 5 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

History

Types

Fittings

Other uses

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Edison screw connects Entity context

The extracted context around Edison screw shows recurring relationship patterns in the source. For example, Edison screw → E26d, E27d, E39d, Edison, The, This, Three-way, Unlike Another extracted example is Edison screw → Edison, English, Media, Wikimedia CommonsEdison, Wiktionary-logo-en-v2. Use these groups to spot repeated connection types before inspecting the individual relationships.

Edison screw

Top relations

related to Fittings · 8
Edison screw → E26d, E27d, E39d, Edison, The, This, Three-way, Unlike
related to External links · 5
Edison screw → Edison, English, Media, Wikimedia CommonsEdison, Wiktionary-logo-en-v2
related to Other uses · 4
Edison screw → Edison-base, In North America, The Edison, These Edison

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

edison screw base lamps used lamp bulbs socket thread bulb use e26 also standard sockets types diameter bases contact light

Edison screw relationships Subject–Predicate–Object triples

TTTA extracted 20 structured relationships around Edison screw. Examples in this analysis include model trains → instance of → and model vehicles and railway trains → instance of → Public locations. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
model trainsinstance ofand model vehicles0.80text
railway trainsinstance ofPublic locations0.80text
the New York City Subway have used light bulbs with left-hand threads to discourage theft of the bulbs for use in regular light fixturesinstance ofPublic locations0.80text
Edison screwrelated to External linksWiktionary-logo-en-v20.60section
Edison screwrelated to External linksMedia0.60section
Edison screwrelated to External linksEdison0.60section
Edison screwrelated to External linksWikimedia CommonsEdison0.60section
Edison screwrelated to External linksEnglish0.60section
Edison screwrelated to FittingsThree-way0.60section
Edison screwrelated to FittingsE26d0.60section
Edison screwrelated to FittingsE27d0.60section
Edison screwrelated to FittingsE39d0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Edison screw bring nearby vocabulary together. In this analysis, examples include Screw, Socket and Base. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Edison screw
    • Screw
    • Socket
    • Base
    • Light
    • Screws
    • Threads
    • Thread
    • Use
    • Bulbs
    • General
    • Inch
    • Medium
  • edison screw
    • Screw
    • Socket
    • Base
    • Light
    • Medium
    • Screws
    • Threads
    • Also
    • Lamp
    • Lamps
    • Thread
    • Use
  • thomas edison
    • Screw
    • Socket
    • Base
    • Light
    • Screws
    • Threads
    • Thread
    • Use
    • Bulbs
    • General
    • Inch
    • Medium
  • wedge base
    • Use
    • Lamps
    • Also
    • Bulb
    • Edison
    • Screw
    • Bulbs
    • Bottom
    • Bayonet
    • Contact
    • E12
    • Lights
  • compact fluorescent lamp
    • Holder
    • Contact
    • Standard
    • Screw
    • Base
    • Bulb
    • Socket
    • Bottom
    • Bayonet
    • E27
    • Light
    • Sockets
  • edison base fuses
    • Screw
    • Use
    • Lamps
    • Also
    • Bulb
    • Socket
    • Base
    • Edison
    • Bulbs
    • Bottom
    • Light
    • Screws
  • lightbulb socket
    • Lighting
    • Holder
    • Types
    • Standard
    • Lamp
    • Lamps
    • General
    • Used
    • Bottom
    • Europe
    • America
    • Diameter
  • north america
    • North
    • Europe
    • E12
    • E26
    • Standard
    • Lamps
    • Used
    • General
    • Lighting
    • Bayonet
    • E27
    • Medium

Connections between topic areas Semantic bridges

For Edison screw, one of the stronger structural bridges in this analysis connects Edison screw with Types. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Edison screw — Types · splits 44 ⟂ 40
Edison screw — History · splits 68 ⟂ 16
Edison screw — Other uses · splits 71 ⟂ 13
Edison screw — Overview · splits 76 ⟂ 8
Edison screw — Fittings · splits 78 ⟂ 6

Map overview Semantic statistics

Edison screw

Nodes84
Edges83
Triples20
Avg. degree1.98
Density0.02381
Components1

Source & methodology

TTTA analyzes the structure around Edison screw to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Applications, Standards & Regions, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Edison screw · EN edition · Analysis: TopicsToTalkAbout

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