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Octagonal box extension ring

Pipe Steel Industries offers Octagonal box extension ring as part of our fire-rated cable and conduit sourcing range. Use the technical options below to prepare your project enquiry.

Selection details: standards: UL 514A, UL 50, NFPA 70; materials: Carbon steel, drawn.

Confirm the exact model, dimensions, working conditions and required approvals with our sales team before ordering. Model-specific certificates and availability are verified with the quotation.

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Octagonal box extension ring — Pipe Steel Industries product catalogue
Representative product photograph. Confirm the model, dimensions and configuration with your quotation.

Technical Specifications

PropertyDetails
StandardUL 514A, UL 50, NFPA 70
MaterialCarbon steel, drawn
ThicknessStandard 1.6 mm, available 0.8 ~ 1.5 mm
SurfacePre-galvanized
ApplicationExtend depth of existing octagonal junction box

Sizes & Technical Data

Reference options for product selection. Confirm the exact dimensions, model and project approvals with your quotation.

Octagonal box extension ring technical table 1
SizeDeepCapacityRef. No.
4″1-1/2″16 cubic inchC7321 (UL)
4″1-1/2″16 cubic inchC7322 (UL)
4″1-1/2″16 cubic inchC7323 (UL)
4″2-1/8″23 cubic inchC7324 (ISO)
4″2-1/8″23 cubic inchC7325 (ISO)
4″2-1/8″23 cubic inchC7326 (ISO)
4″2-1/8″23 cubic inchC7327 (ISO)

Applications

  • Electrical junction box procurement
  • Fire-rated cable and conduit project packages

Finishes & Options

  • Specify size, connection, material and quantity in your enquiry.
  • Request model-specific documentation and destination-port delivery terms.

Related Products

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