A Activity diagram used in UML 6/9 and SysML B Bachman diagram Booch used in software engineering Block diagram Block Definition Diagram BDD used in SysML C Carroll diagram Cartogram Catalytic cycle Chemical equation Curly arrow diagram Category theory diagrams Cause-and-effect diagram Chord diagram Circuit diagram Class diagram from UML 1/9 Collaboration diagram from UML 2.0 Communication diagram from UML 2.0 Commutative diagram Comparison diagram Component diagram from UML 3/9 Composite structure diagram from UML 2.0 Concept map Constellation diagram Context diagram Control flow diagram Contour diagram Cordier diagram Cross functional flowchart D Data model diagram Data flow diagram Data structure diagram Dendrogram Dependency diagram Deployment diagram from UML 9/9 Dot and cross diagram Double bubble map used in education Drakon-chart E Entity-Relationship diagram ERD Event-driven process chain Euler diagram Eye diagram a diagram of a received telecommunications signal Express-G Extended Functional Flow Block Diagram EFFBD F Family tree Feynman diagram Flow chart Flow process chart Flow diagram Fusion diagram Free body diagram G Gantt chart shows the timing of tasks or activities used in project management Grotrian diagram Goodman diagram shows the fatigue data example: for a wind turbine blades H Hasse diagram HIPO diagram I Internal Block Diagram IBD used in SysML IDEF0 IDEF1 entity relations Interaction overview diagram from UML Ishikawa diagram J Jackson diagram K Karnaugh map Kinematic diagram L Ladder diagram Line of balance Link grammar diagram M Martin ERD Message Sequence Chart Mind map used for learning, brainstorming, memory, visual thinking and problem solving Minkowski spacetime diagram Molecular orbital diagram N N2 Nassi Shneiderman diagram or structogram a representation for structured programming Nomogram Network diagram O Object diagram from UML 2/9 Organigram Onion diagram also known as "stacked Venn diagram" P Package diagram from UML 4/9 and SysML Parametric diagram from SysML PERT Petri net shows the structure of a distributed system as a directed bipartite graph with annotations Phylogenetic tree - represents a phylogeny evolutionary relationships among groups of organisms Piping and instrumentation diagram P&ID Phase diagram used to present solid/liquid/gas information Plant Diagram Pressure volume diagram used to analyse engines Pourbaix diagram Process flow diagram or PFD used in chemical engineering Program structure diagram R Radar chart Radial Diagram Requirement Diagram Used in SysML Rich Picture R-diagram Routing diagram S Sankey diagram represents material, energy or cost flows with quantity proportional arrows in a process network. Sentence diagram represents the grammatical structure of a natural language sentence. Sequence diagram from UML 8/9 and SysML SDL/GR diagram Specification and Description Language. SDL is a formal language used in computer science. Smith chart Spider chart Spray diagram SSADM Structured Systems Analysis and Design Methodology used in software engineering Star chart/Celestial sphere State diagram are used for state machines in software engineering from UML 7/9 Swim lane Syntax diagram used in software engineering to represent a context-free grammar Systems Biology Graphical Notation a graphical notation used in diagrams of biochemical and cellular processes studied in Systems biology System context diagram System structure Systematic layout planning T Timing Diagram: Digital Timing Diagram Timing Diagram: UML 2.0 TQM Diagram Treemap U UML diagram Unified Modeling Language used in software engineering Use case diagram from UML 5/9 and SysML V Value Stream Mapping Venn diagram Voronoi diagram W Warnier-Orr Williot diagram Y Yourdon-Coad see Edward Yourdon, used in software engineering
Branch circuits The distinction between a branch circuit and a feeder can be a source of confusion for the Code user. The first step in eliminating this confusion is to understand that the NEC defines a branch circuit as “the conductors between the branch circuit final overcurrent device protecting the circuit and the outlets” (such as receptacles or lights) [Article 100].
NEC 2017 514.8 Underground Wiring. ENHANCED CONTENT Fuel spilled in the vicinity of gasoline dispensers seeps into the ground and could migrate into underground electrical conduits. Therefore, all conduits installed below the hazardous locations of a motor fuel dispensing facility are required to be sealed within 10 feet of the point of emergence from below grade. This boundary seal minimizes ...
The main difference between the CEC and the NEC is that the CEC uses the Canadian Wire Gauge, and the NEC uses the American Wire Gauge.:whistling2: A bit too provocative for the average person...
Just curious what your spacing requirements are for supporting PVC conduit.
Article 100 Definitions In Sight From (Within Sight From, Within Sight). Where this Code specifies that one equipment shall be “in sight from,” “within sight from,” or “within sight of,” and so forth, another equipment, the specified equipment is to be visible and not more than 15 m (50 ft) distant from the other. 430.102 Location (A) Controller. An individual disconnecting means ...
I'm curious to know where and when is the appreciate place to put a grounding bushing.
NEC 2008 310.3 Clarification 310 solid stranded Jump to Latest 23K views 6 replies 5 participants last post by cdnelectrician May 22, 2009
thought this was interesting i was trying to study to take my imsa test and came across section 760.41 (B) in the 2011 code and if im reading it right we now have to have a red breaker if its supplying a fire alarm equipment and it has to say "fire alarm circuit" on it Haveyou guys seen any of...
NEC Article about mixed voltages in conduit Jump to Latest 26K views 11 replies 8 participants last post by wildleg Jul 9, 2017 G
The subject here is...going to the next size up circuit breaker for branch circuits. Can you explain resolve the following, possible, code related contradiction please? ( from 2008 Handbook, from the mentary following 204.4(B), quote: ) "Section 210.19(A) requires that branch circuit...
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