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CCTV accessories · Connection layout

CCTV junction boxes: plan entries, connector clearance and service access

Compare two exact KONGIA ABS junction boxes by their listed dimensions and entries. Plan assembled connector space and document unresolved protection requirements.

Published by KONGIAPublished: Updated: 6 min read
KONGIA catalog product comparison: KG-JB-100-W; KG-JB-1511-W
Composition of approved KONGIA product catalog images. References are shown separately, not to installation scale; confirm the contents of each exact SKU.

Quick answer. Start with the actual assembled connectors, cable diameters and service path. The listed KONGIA boxes differ in dimensions and entry count, but those figures alone do not establish usable internal space, camera mounting fit or an installed protection rating. Check the complete arrangement before ordering.

1. Measure the connector assembly, not just the cable

List the camera pigtail, RJ45 connection, any DC or BNC connection and the selected cable-entry accessories. Measure the assembled connector envelope and the space needed to reconnect it. A loose plug’s dimensions do not describe the working assembly.

Ask for the box drawing and mounting arrangement. Do not assume that a bullet or dome camera fits a particular lid or hole pattern merely because the product description mentions those camera families.

2. Compare these two references precisely

KG-JB-100-W lists 100 × 100 × 70 mm, seven Ø25 mm entries and seven rubber plugs. KG-JB-1511-W lists 150 × 110 × 70 mm, ten Ø25 mm entries and ten rubber plugs. Both are listed as white ABS, sold as one piece.

Treat the stated overall dimensions as a starting point, not guaranteed usable internal dimensions. Obtain missing internal or mounting measurements; do not subtract an assumed wall thickness or fill the available space using a calculated volume.

Published fieldKG-JB-100-WKG-JB-1511-W
Listed dimensions100 × 100 × 70 mm150 × 110 × 70 mm
Entries7 × Ø25 mm10 × Ø25 mm
Rubber plugs7 units10 units
Material / sales unitWhite ABS / one pieceWhite ABS / one piece
Protection descriptionCommercially declared IP55Commercially declared IP55
KONGIA CCTV junction box, KG-JB-100-W
KG-JB-100-WApproved KONGIA catalog product imagery. Original product and packaging markings are retained; confirm the configuration on the exact SKU page.
KONGIA CCTV junction box, KG-JB-1511-W
KG-JB-1511-WApproved KONGIA catalog product imagery. Original product and packaging markings are retained; confirm the configuration on the exact SKU page.

3. Plan each entry and unused opening

An entry diameter is not a statement that a cable of the same diameter will fit a complete sealing accessory. Match the chosen cable diameter, connector-passage requirement and actual accessory dimensions to the entry drawing. Confirm whether a connector must pass through before it is terminated.

Record how unused entries will be closed and how the cable is supported. The listed rubber plugs are not evidence that every cable gland, strain-relief part or installation method is included or suitable. Ask for the exact accessory and instructions.

KONGIA checklist diagram for connectors and service space, cable entries and closures, and environment with documented checks.
KONGIA conceptual illustration, not a product photograph, installed project or completed test. Refer to the exact linked product specifications. Open full-size diagram ↗

4. Keep the protection claim in its proper scope

The product descriptions state commercial IP55; this article has not verified a laboratory report for either SKU or for a drilled and cabled assembly. IEC 60529 is the standard for classifying enclosure protection. Linking its scope does not certify these products.

Describe the exposure at the actual site and request the evidence needed for the proposed configuration. Do not turn the commercial label into promises of immersion resistance, unlimited outdoor use or protection after arbitrary modifications.

5. Preserve access for installation and maintenance

Plan a route that lets the technician open the lid, identify the connection and replace a component without forcing the cable or trapping the pigtail. Check the actual connector and cable instructions for bends and support. Do not infer required clearances from a photograph.

The listed operating range is −10 °C to 45 °C and relative humidity below 90%. Compare those stated conditions with the intended location and ask about unresolved exposure or mounting issues. A larger box does not automatically solve a temperature or protection mismatch.

6. Attach a connection layout to the quotation

Send the box reference, camera/pigtail dimensions, assembled connectors, cable diameters, entry plan, mounting drawing and service requirements. Keep the selected accessories and outstanding protection evidence visible on the order.

After installation, record the actual reference, entry arrangement and inspection outcome under the agreed project method. This is a planning checklist, not an instruction to perform a homemade ingress test or to mark an untested assembly as certified.

  1. Measure the assembled connector and planned access.
  2. Confirm box and mounting drawings.
  3. Match each entry to cable and accessory dimensions.
  4. List closures, support and site conditions.
  5. Retain the actual configuration and acceptance record.

Related KONGIA products

Questions before ordering

Does IP55 in the listing guarantee any outdoor installation?

No. It is the commercial product description here, not verified proof for every site, accessory or modified assembly. Request the required evidence.

Does Ø25 mm mean a 25 mm cable can be installed?

Not by itself. Check the entry, the actual gland or closure, cable range and connector-passage arrangement together.

Does ten entries mean ten cameras fit inside?

No. Entry count does not establish internal connector capacity or a camera count. Verify the actual layout.

Can I use the listed size as usable internal space?

No. Obtain the internal and mounting dimensions needed for the assembled connectors and service access.

The KONGIA approach

KONGIA aims to help installation partners turn small connection details into clear purchasing decisions. Exact dimensions, honest protection claims and service access matter alongside price. We seek simpler selection, sourcing and use while respecting distributor investment and the cooperation and market-protection responsibilities defined in writing.

Our purpose and values →

Sources and scope

Connection-layout guidance, not a verified IP test report or a camera mounting approval. Follow the actual box, accessory, camera and project instructions.

  1. KONGIA — KG-JB-100-W
  2. KONGIA — KG-JB-1511-W
  3. IEC — IEC 60529 public scope: enclosure protection classification

Prepared with AI assistance using the exact product records and the IEC standard’s public scope. The full paid standard was not reviewed. Diagrams are conceptual; no installed enclosure test is claimed. The product images use approved KONGIA catalog originals; separate technical diagrams remain explanatory. Editorial policy

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