Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Extension cord

An extension cord (US), extension cable, power extender, drop cord, or extension lead (UK) is a length of flexible electrical power cable (flex) with a plug on one end and one or more sockets on the other end (usually of the same type as the plug). The term usually refers to mains (household AC) extensions but is also used to refer to extensions for…

Measurement & Standards

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Extension cord. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Variations

Regulations

Safety

Lead content

Signal cable extenders

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.

Map overview Semantic statistics

Extension cord

Nodes32
Edges31
Triples55
Avg. degree1.94
Density0.0625
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Extension cord

Top relations

related to Lead content · 9
Extension cord → California Proposition, Extension, Many, PVC, RoHS, Some, The European, United States, US
related to Cable designation and jacket materials · 7
Extension cord → Common, Junior, SJOOW, SJTW, These, UL, Under
related to National Electrical Code (US) · 7
Extension cord → As, AWG, In, National Electrical Code, NEC, The NEC, United States
related to Signal cable extenders · 7
Extension cord → Extension, Passive USB, Such, The, They, This, USB
related to External links · 6
Extension cord → BBC News, Extension Cords, June, Megan, Retrieved, Underwriters Laboratories IncLane
related to Safety · 6
Extension cord → Because, Cords, Every, However, Therefore, To
related to Hazards · 4
Extension cord → Fire, Heating, Overloading, The
related to Maintenance · 2
Extension cord → Periodic, The
related to Variations · 2
Extension cord → The, This

Important terminology Word statistics

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

Important terminology

extension cord cords cable power also usb lead plug length end electrical may used reel use socket one fire resistance

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
a polarized pluginstance ofAnother type of extension reel hangs near the plug end and permits the user to draw the cord out by grasping the socket end.Some extension cords also incorporate safety features0.80text
receptacleinstance ofAnother type of extension reel hangs near the plug end and permits the user to draw the cord out by grasping the socket end.Some extension cords also incorporate safety features0.80text
grounded terminalsinstance ofAnother type of extension reel hangs near the plug end and permits the user to draw the cord out by grasping the socket end.Some extension cords also incorporate safety features0.80text
ainstance ofAnother type of extension reel hangs near the plug end and permits the user to draw the cord out by grasping the socket end.Some extension cords also incorporate safety features0.80text
extension cordsinstance ofrestricts the use of hazardous materials like lead in the manufacture of electrical products0.80text
Extension cordrelated to Cable designation and jacket materialsUnder0.60section
Extension cordrelated to Cable designation and jacket materialsUL0.60section
Extension cordrelated to Cable designation and jacket materialsCommon0.60section
Extension cordrelated to Cable designation and jacket materialsSJTW0.60section
Extension cordrelated to Cable designation and jacket materialsJunior0.60section
Extension cordrelated to Cable designation and jacket materialsSJOOW0.60section
Extension cordrelated to Cable designation and jacket materialsThese0.60section

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.