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Can the core switch be placed in a stairwell

Fiber and communications infrastructure knowledge brief Published 04 Nov 2021

Use this reference to prepare product questions for CJC FIBRE. Check interfaces, capacity, protection and installation requirements against the current product documentation.

Placing a core network switch in a stairwell is generally not recommended due to safety, accessibility, and code compliance concerns.

Safety and Code Considerations

Stairwells are typically designed as emergency egress routes and may be part of a building's fire-rated core, which includes stairs, elevators, and service risers. Installing a network switch in this space could obstruct the required clearances, interfere with emergency evacuation, and violate building or fire codes. Electrical equipment like panelboards cannot be installed over stair steps, and working space in front of equipment must be maintained.

These rules imply that placing a switch in a stairwell could compromise both safety and NEC compliance.

Environmental and Operational Concerns

Core switches require controlled environmental conditions, including proper ventilation, temperature, and humidity. Stairwells are often poorly ventilated, subject to temperature fluctuations, and may accumulate dust, which can reduce the reliability and lifespan of networking equipment. Additionally, stairwells are not designed for regular maintenance access, making it difficult for IT staff to safely service the switch.

Practical Alternatives

Dedicated Network Room or Closet: The best practice is to place core switches in a secure, climate-controlled room with proper rack space and cable management. Service Cores or Utility Rooms: If a central location is needed, consider a service core or mechanical room that is designed to house electrical and network equipment safely. Avoid Egress Paths: Never place critical equipment in emergency exit routes or stairwells, as this can create hazards and violate building codes.

Summary

While technically a switch could be mounted in a stairwell if clearances are maintained, it is strongly discouraged due to fire safety, accessibility, and environmental concerns. The recommended approach is to use a dedicated network room or service core that meets electrical, cooling, and maintenance requirements, ensuring both safety and operational reliability.

Can the core switch be placed in a stairwell - CJC FIBRE CONSULTANTS [PDF]

Can the core switch be placed in a stairwell

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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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