{"schemaVersion":1,"slug":"panel-inspection-light-door-contact","name":"Panel inspection-light door contact","kind":"symbol","abbreviation":"PIDC","aliases":["Switchroom lighting and access interfaces","switchrooms Switchroom lighting and access interfaces","switchrooms","Switchrooms","Panel door contact","Inspection-light request"],"category":"installation-communications","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Relates the selected panel door contact to its local inspection-light control.","description":["Relates the selected panel door contact to its local inspection-light control. Lighting and access interfaces coordinate the electrical-room service circuits and their supervision. Normal lighting, emergency illumination and access indication have different power sources and purposes.","In a switchroom, a normal lighting branch may be switched locally while the specified emergency luminaires remain connected to their own backed-up or integral supply. For this reference, the drawing identifies “Panel door contact” at the input and “Inspection-light request” at the output. Opening a door does not imply electrical isolation.","Identify the lighting supply type, controlled circuit and the meaning of any test or failure output. A drawing symbol does not establish illumination levels, emergency duration or an approved egress arrangement. The functional block is an independent explanation of this named application. Equipment-specific ratings, terminal connections and operating conditions must be established in the project documentation."],"readingNotes":["Start at the named input: Panel door contact. Identify its source device or document and the state represented on the drawing.","Follow the named output: Inspection-light request. Cross-reference its destination and separate the command from confirmation that the equipment responded.","Opening a door does not imply electrical isolation.","Identify the lighting supply type, controlled circuit and the meaning of any test or failure output. A drawing symbol does not establish illumination levels, emergency duration or an approved egress arrangement."],"drawingChecklist":["Label the source and connection reference for panel door contact.","Identify the destination and defined state of inspection-light request.","Record the equipment or control-document revision supporting this functional block.","Check this application limit in the project design: Opening a door does not imply electrical isolation."],"distinction":"Opening a door does not imply electrical isolation. This reference describes the named application; it does not establish a new IEC graphical symbol, an ANSI device-function number or an exact manufacturer connection diagram.","facts":[{"label":"Representation","value":"Functional block"},{"label":"Installation focus","value":"Switchrooms"},{"label":"Input / boundary","value":"Panel door contact"},{"label":"Output / connection","value":"Inspection-light request"},{"label":"Lookup label","value":"PIDC is a library lookup label, not a standard device designation."}],"references":[{"sourceId":"pi26-room-services","relevance":"Public technical context for switchroom lighting and access interfaces. Lighting, emergency lighting, fire provisions and substation auxiliary services. Original cause-and-effect examples require project design. The application text and educational graphic are independently authored; the publisher does not certify this representation."}],"related":["iec-maintained-emergency-luminaire","iec-exit-sign-luminaire","switchroom-external-lighting-command-interface"],"artwork":"pi26-panel-inspection-light-door-contact","publishedOn":"2026-11-03","updatedOn":"2026-11-03","provenance":"independent-public-research","representation":{"type":"functional-block","focus":"switchrooms","family":"room-lighting","input":"Panel door contact","output":"Inspection-light request"},"plainEnglish":{"title":"What this block does","introduction":"Relates the selected panel door contact to its local inspection-light control.","example":"In a switchroom, a normal lighting branch may be switched locally while the specified emergency luminaires remain connected to their own backed-up or integral supply. For this reference, the drawing identifies “Panel door contact” at the input and “Inspection-light request” at the output. Opening a door does not imply electrical isolation.","drawings":"Start at the named input: Panel door contact. Identify its source device or document and the state represented on the drawing. Follow the named output: Inspection-light request. Cross-reference its destination and separate the command from confirmation that the equipment responded.","terms":[{"name":"Input","meaning":"Panel door contact"},{"name":"Output","meaning":"Inspection-light request"},{"name":"Application reference","meaning":"An explanation of a named drawing function or circuit relationship; the project documents define the equipment and its connections."}],"diagram":"flow","steps":["Panel door contact","PIDC","Inspection-light request"],"caption":"A reading guide. The entry's original illustration and input/output facts describe this application.","sources":[{"label":"Indoor substation: lighting, fire and auxiliary services","url":"https://www.electrical-installation.org/enwiki/Indoor_substation"}],"profileId":"power-installation-room-lighting"},"url":"https://eloragrid.ai/symbols/panel-inspection-light-door-contact","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/panel-inspection-light-door-contact.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pi26-room-services","publisher":"Schneider Electric","title":"Indoor substation: lighting, fire and auxiliary services","url":"https://www.electrical-installation.org/enwiki/Indoor_substation","scope":"Lighting, emergency lighting, fire provisions and substation auxiliary services. Original cause-and-effect examples require project design.","type":"manufacturer","checkedOn":"2026-11-03","reuse":"link-only","relevance":"Public technical context for switchroom lighting and access interfaces. Lighting, emergency lighting, fire provisions and substation auxiliary services. Original cause-and-effect examples require project design. The application text and educational graphic are independently authored; the publisher does not certify this representation."}]}