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
For this type of thing (like maybe a small subpanel in a basement for finishing a basement or new panel in a garage) 6awg THWN in ENT because it's fast and easy. 60amp breaker in the main and 50A breaker in the sub so that you have the ability to shut the sub panel off to work in it locally and so in theory the sub panel breaker pops before the ...
Should the grounds and neutrals be separated on this subpanel for a portable generator? It's the small panel on the right. The left sub was wired correctly with the grounds and neutrals separated.
Inspector today brought up article 215.18. He actually wasn’t sure how to interpret the article and asked if I wanted to hold off on inspection because he believes the new sub panel we installed needs an SPD?! I don’t think you should enforce codes if you’re not sure about it on inspection...
I just encountered a side by side combo overhead underground 200A panel that is being used now as a subpanel because they built a back house and installed the meter at the new structure. The previous electrician ran an underground feed and stubbed it into the utility section. They landed the...
I need to buy wire to feed a 100 amp subpanel in a detached garage, approx 100 feet away from the main panel in the (separate) house. Between the subpanel and the room with the main panel is 2" PVC run underground and stubbed up. Based on tables 310.15(B)(16) and 310.15(B)(7) I've surmised...
Grounding & Bonding of 3 Wire Fed Subpanel Auxiliary buildings should have the EGC extended from the main building. The barn panel neutral should not be bonded. It also needs a ground rod. Power supplied to detached buildings is considered a feeder when supplied from a main or sub panel. Sent from my iPad using Tapatalk
Hi all, new here! I'm in the process wanting to install a 80A subfeed in detached garage. Is it permissible to downsize the neutral by 1 size? Loads will be typical shop stuff, but only when I am out there. Table saw, small welder, hand power tools, lights, Heat pump AC, etc. Was hoping to...
Subpanel grounding bonding CEC Jump to Latest 26K views 43 replies 14 participants last post by Bcec Feb 13, 2019
The inspector is a dolt. You are right the neutral and ground are BONDED at the main service or SDS and THERE HAS TO BE CONTINUITY or you have an ungrounded system. Now there may be voltage between the neutral and ground depending on the distance from the Neutral Ground Bond and load on the subpanel. This voltage will generally be low 1 3 volts if the voltage is high your system is most likely ...
A subpanel is neither a service disconnecting means nor a separately derived system. It is possible to double tap the main and set up the feeder as a service feeder to an outbuilding to make it a second main panel downstream of the metering socket but then the feeder is always hot so it isn't done that way normally.
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