The wiring of a photocell decides whether a dusk-to-dawn luminaire switches reliably for years — or fails in the first storm season. This library collects every wiring and installation guide published on LONG-JOIN, organised by task, so contractors and OEM engineers can go straight from symptom to schematic.

NEMA shorting cap wiring diagram
Example interface diagram from the LONG-JOIN NEMA series archive.
All wiring diagrams in one zip
Request the complete Photocell Wiring Diagram Pack — every guide and schematic from this library in a single download. Tell us your socket type (NEMA 3-pin, ANSI C136.41 5/7-pin or Zhaga Book-18) and we will email the pack plus the datasheet for your exact model within 24 hours.

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Step-by-step wiring guides

Installation, commissioning and torque

Choosing the wiring format first

Photocells evolving from NEMA twist-lock to Zhaga Book-18 and smart IoT sockets
From NEMA twist-lock to Zhaga Book-18: why wiring formats are converging on standardized sockets.

PDF datasheets with electrical and interface data

Every published LONG-JOIN datasheet — rated voltages, pin assignments, interface tolerances and compliance data — is available in one place:

Get a wiring diagram for your exact fixture

Standard schematics cover standard cases. If your luminaire uses a mixed-voltage driver, an unusual receptacle or a retrofit combination, send us:

Our engineers reply within 24 hours with the matching model, its wiring diagram, datasheet and MOQ.

Request a Diagram for Your Fixture
Send your socket photo and load details — get the correct schematic, datasheet and quote within 24 hours.

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