Historic Buildings
Fire and Performance Wiring > Historic Buildings
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© 1996-2007 Tyco Thermal Controls LLC.
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Protection from fire is a prime concern in historic or "heritage" buildings, yet modernization and upgrading of facilities often does not allow for extensive building alteration. Mineral insulated cable offers unique solutions including a fire survival cable that powers emergency circuits before, during and after a fire and yet still can fit into very tight and convoluted runs. The compact construction of Pyrotenax MI cable and Raychem MC cable, combined with good flexibility and the ability to be molded into small spaces, makes these cables ideal for retrofitting fire pumps and power feeders while minimizing any aesthetic impact on the building. Where conduit and wire is preferred, use Raychem RHW, the 2- hour fire-rated power cable solution. Raychem CI or Raychem CiC, both 2-hour fire-rated polymer insulated cables, can be used when creating fire-rated circuits for the fire alarm system.
EMERGENCY POWER SUPPLY
Emergency generators are brought into play when regular power fails, and are the backbone of the systems that provide time for a safe evacuation of occupants, and power to operate the life safety and fire fighting systems.
SMOKE VENTING FANS
Smoke is the major threat because of loss of visibility and air to breathe, and fans to remove smoke are of crucial importance.
EMERGENCY LIGHTING
When normal power is disrupted in a fire, the chances of safe egress or firefighting in the dark go down dramatically. Emergency lighting provides the back-up for the normal lighting.
FIRE ALARM
The National Fire Alarm Code stipulates that in Voice Evacuation Fire Alarm systems, the wiring for the notification circuits shall be 2-hour fire rated. Fire Alarm wiring designed to meet the survivability requirement for notification circuits is required.
POWER FEEDERS
The space savings achievable using MI or Raychem MC versus conduit and wire are huge - up to 80% space saving. In addition, the ease with which they can be pulled into difficult runs with tight corners gives them an overwhelming advantage.
LOW EMI
Electromagnetic fields from high electrical currents in equipment, bus-duct or feeders can cause interference in PC screens and sensitive electronic equipment located adjacent to the source of the EMI.
