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Notes define derivation from IEC 617, NEN 5152, and company standards, prescribe symbol orientation and inscription reading directions, specify de-energized contact depiction, and define switch presentation rules for operational modes and circuit readability.",{"@graph":14,"@context":71},[15,34,54],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/technology/","Technology",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/electrical-design-standard-symbols-bn-ds-e2-sheet-symbols-index/669065/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":48,"encodingFormat":47,"isAccessibleForFree":49,"interactionStatistic":50},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/electrical-design-standard-symbols-bn-ds-e2-sheet-symbols-index/669065.png","ImageObject",300,407,{"name":42,"@type":43},"aboduw","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-11-01",true,{"@type":51,"interactionType":52,"userInteractionCount":22},"InteractionCounter",{"@type":53},"ViewAction",{"@type":55,"mainEntity":56},"FAQPage",[57,63,67],{"name":58,"@type":59,"acceptedAnswer":60},"What standards are the electrical design symbols derived from?","Question",{"text":61,"@type":62},"The symbols are derived from IEC publication 617, NEN 5152, and company standards.","Answer",{"name":64,"@type":59,"acceptedAnswer":65},"How should symbol orientation and inscription reading direction be handled?",{"text":66,"@type":62},"Symbols may be drawn in any position, but inscriptions must remain in the upright position and be read left to right or bottom to top as specified.",{"name":68,"@type":59,"acceptedAnswer":69},"In what electrical state should contacts and switches be shown?",{"text":70,"@type":62},"Contacts of electrically operated devices must be shown in the de-energized position. 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NO. | ISSUE 1 | SHEET\u003Cbr>1 of 40 | DOC. NO. | BN-DS-E2 |\n| --- | --- | --- | --- | --- |\n\n\n| DOCUMENT NUMBERS INDEX SYMBOLS PAGE 501-502 KEY DIAGRAMS, M. V. AND L. V.\u003Cbr>ONE LINE DIAGRAMS 4-16 503 CONTROL AND WIRING DIAGRAMS 17-28 506 COMMUNICATION SYSTEMS 29 510 POWER LAY-OUTS 30-38 520 LIGHTING LAY-OUTS 30-38 530 EARTHING LAY-OUTS 30-38 550 CATHODIC PROTECTION 30-38 LOGIC SYMBOLS 39-40 |  |  |  |\n| --- | --- | --- | --- |\n| ID. NO. | ISSUE 1 | SHEET\u003Cbr>2 of 40 | DOC. NO.\u003Cbr>BN-DS-E2 |\n\n\n| NOTES\u003Cbr>1. SYMBOLS HAVE BEEN DERIVED FROM IEC PUBLICATION 617, NEN 5152 AND COMPANY STANDARDS. |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- |\n| EXAMPLE ON SYMBOLS.\u003Cbr>PUBLICATION |  | EXAMPLE |  |  |  |\n| IEC 617\u003Cbr>NEN 5152\u003Cbr>NON STANDARD (NORM) | :\u003Cbr>:\u003Cbr>: | 03-01-02 A  123 \u003Cbr>IEC ~~ ~~ COMPANY SEQUENCE INDEX\u003Cbr>NEN-K-13\u003Cbr>NS-52 |  |  |  |\n| 2. ALL SYMBOLS MAY BE DRAWN IN ANY POSITION, THE INSCRIPTIONS SHALL REMAIN, HOWEVER IN THE UPRIGHT POSITION.\u003Cbr>EXCEPTION ARE:\u003Cbr>A. RELAYS, CONTACTS AND SWITCHES SHALL BE SHOWN SUCH THAT THE MODE OF OPERATION IS FROM LEFT TO RIGHT OR FROM BOTTOM TO TOP.\u003Cbr>B. INSCRIPTION ON CIRCUIT AND CABLES SHALL BE WRITTEN ALONG THE SYMBOLS AND SHALL BE READ FROM LEFT TO RIGHT OR FROM BOTTOM TO TOP.\u003Cbr>3. CONTACTS OF ELECTRICAL OPERATED DEVICES SHALL BE SHOWN IN THE DEENERGIZED POSITION.\u003Cbr>SWITCHES SHALL BE DRAWN IN THE OFF-POSITION OR NOT-ACTIVATED (NO PRESSURE, FLOW, ETC.) |  |  |  |  |  |\n| ID. NO. |  |  | ISSUE 1 | SHEET\u003Cbr>3 of 40 | DOC. NO.\u003Cbr>BN-DS-E2 |\n\n\n| CAD NAME DESCRIPTION SYMBOL 07-13-02 CONTACTOR 07-13-05 CIRCUIT BRACHER 07-13-02 DISCONNECTOR (ISOLATOR)\u003Cbr>OFF LOAD 07-13-08 SWITCH-DISCONNECTOR\u003Cbr>ON LOAD 07-21-08 FUSE-DISCONNECTOE\u003Cbr>OFF LOAD 07-21-09 FUSE SWITCH-DISCONNECTOR\u003Cbr>ON LOAD \u003Cbr>07-14-04 VOLTAGE INDICATOR\u003Cbr>CAPACITIVE \u003Cbr>\u003Cbr>SYMBOL FOR KEY DIAGRAM, M.V. AND L.V. ONE LINE DIAGRAMS COMPANY DOCUMENT NS 501-502. |  |  |  |\n| --- | --- | --- | --- |\n| ID. NO. | ISSUE\u003Cbr>8 | SHEET\u003Cbr>4 of 40 | DOC. NO.\u003Cbr>BN-DS-E2 |\n\n\n| CAD NAME DESCRIPTION SYMBOL NEN-B-45A SINGLE-POLE SWITCH NEN-B-45B TWO-POLE SWITCH NEN-B-45C THREE-POLE SWITCH NEN-B-45D TWO-POLE SWITCH WITH SWITCHED NEUTRAL CONDUCTOR NEN-B-45F FOUR-POLE SWITCH WITH SWITCHED NEUTRAL CONDUCTOR \u003Cbr>SYMBOL FOR KEY DIAGRAM, M.V. AND L.V. ONE LINE DIAGRAMS COMPANY DOCUMENT NS 501-502. |  |  |  |\n| --- | --- | --- | --- |\n| ID. NO. | ISSUE\u003Cbr>8 | SHEET\u003Cbr>5 of 40 | DOC. NO.\u003Cbr>BN-DS-E2 |\n\n\n| CAD NAME DESCRIPTION SYMBOL 02-12-05 DELAYED ACTION IN DIRECTION\u003Cbr>OF MOVEMENT FROM THE ARC\u003Cbr>TOWARDS ITS CENTRE (DELAYED CLOSING) 02-12-06 DELAYED ACTION IN DIRECTION\u003Cbr>OF MOVEMENT FROM THE ARC\u003Cbr>TOWARDS ITS CENTRE (DELAYED OPENING) 02-12-17 MECHANICAL COUPLING\u003Cbr>DISENGAGED 02-12-18 MECHANICAL COUPLING\u003Cbr>ENGAGED 02-12-20B OPERATED BY BRAKE 02-13-01 MANUAL OPERATED CONTROL,\u003Cbr>GENERAL CASE 02-13-08 EMERGENCY SWITCH\u003Cbr>(MUSHROOM-TYPE) 02-13-09 OPERATED BY HANDWHEEL 02-13-11 OPERATED BY LEVER 02-13-12 OPERATED BY REMOVABLE\u003Cbr>HANDLE 02-13-13 OPERATED BY KEY 02-13-14 OPERATED BY CRANK \u003Cbr>NOTE: ONLY ACTION IS DESCRIPTED AND A SWITCH IS\u003Cbr>SHOWN FOR CLARIFICATION.\u003Cbr>SYMBOL CAN ALSO BE USED FOR CIRCUIT\u003Cbr>BREACKERS, ISOLATORS A. S.O.\u003Cbr>SYMBOL FOR KEY DIAGRAM, M.V. AND L.V. ONE LINE DIAGRAMS COMPANY DOCUMENT NS 501-502. |  |  |  |\n| --- | --- | --- | --- |\n| ID. NO. | ISSUE\u003Cbr>8 | SHEET\u003Cbr>6 of 40 | DOC. NO.\u003Cbr>BN-DS-E2 |\n\n| CAD NAME DESCRIPTION SYMBOL 02-13-15 OPERATED BY ROLLER 02-13-16 OPERATED BY CAM 02-13-20 OPERATED BY SPRING 02-13-21 OPERATED BY PNEUMATIC\u003Cbr>OR HYDRAULIC CONTROL,\u003Cbr>SINGLE ACTING 02-13-22 OPERATED BY PNEUMATIC\u003Cbr>OR HYDRAULIC CONTROL,\u003Cbr>DOUBLE ACTING 02-13-23 OPERATED BY ELECTROMAGNETIC\u003Cbr>ACTUATOR 02-13-26 OPERATED BY ELECTRIC MOTOR 02-13-27 OPERATED BY ELECTRIC CLOCK 02-14-01 CONTROL BY FLUID LEVEL 02-14-03 CONTROL BY FLOW NEN-J-92 OPERATED BY PEDAL \u003Cbr>NOTE: ONLY ACTION IS DESCRIPTED AND A SWITCH IS\u003Cbr>SHOWN FOR CLARIFICATION.\u003Cbr>SYMBOL CAN ALSO BE USED FOR CIRCUIT\u003Cbr>BREA","cbCaiu7O37yCLcfs","https://ap.wps.com/l/cbCaiu7O37yCLcfs","pdf",370167,"English","# DOCUMENT NUMBERS INDEX SYMBOLS PAGE 501-502\n## KEY DIAGRAMS, M. V. AND L. V.\n## ONE LINE DIAGRAMS 4-16\n## CONTROL AND WIRING DIAGRAMS 17-28\n## COMMUNICATION SYSTEMS 29\n## POWER LAY-OUTS 30-38\n## LIGHTING LAY-OUTS 30-38\n## EARTHING LAY-OUTS 30-38\n## CATHODIC PROTECTION 30-38\n## LOGIC SYMBOLS 39-40\n# NOTES AND EXAMPLE ON SYMBOLS\n## Derivation and orientation rules\n## Switches, contacts, and inscription direction rules\n# CAD NAMES AND SYMBOL LISTS","[{\"question\":\"What standards are the electrical design symbols derived from?\",\"answer\":\"The symbols are derived from IEC publication 617, NEN 5152, and company standards.\"},{\"question\":\"How should symbol orientation and inscription reading direction be handled?\",\"answer\":\"Symbols may be drawn in any position, but inscriptions must remain in the upright position and be read left to right or bottom to top as specified.\"},{\"question\":\"In what electrical state should contacts and switches be shown?\",\"answer\":\"Contacts of electrically operated devices must be shown in the de-energized position. Switches must be drawn in the off-position or not-activated (no pressure/flow) state.\"}]","Electrical Design Standard Symbols - BN-DS-E2 - Sheet Symbols Index | PDF",101]