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The ECM INDUSTRIES LLC 49-436P is a heavy duty plenum-rated cable tie designed for bundling and securing cables in air-handling spaces where fire and smoke ratings matter. At 36 inches in length with a tensile strength of 180 pounds, this tie handles large cable bundles in demanding environments. The natural color nylon construction meets plenum requirements for use in return-air and supply-air plenums. Each package contains 4 ties. Licensed electricians, low-voltage technicians, and HVAC installers working in plenum-rated spaces rely on this product for code-compliant cable management.
This cable tie is suited for residential and light commercial applications where cables pass through or are secured within plenum air spaces, including above drop ceilings and within HVAC ductwork chases. Its 36-inch length accommodates large-diameter cable bundles common in structured wiring, data, or HVAC control wiring runs. The plenum rating makes it appropriate for installations requiring compliance with fire and smoke propagation standards in air-circulation zones.
Designed as a general-purpose plenum-rated cable tie for use in air-handling spaces in residential and commercial electrical, low-voltage, and HVAC control wiring installations.
Installation is typically performed by licensed electricians or low-voltage technicians working in plenum-rated spaces. De-energize circuits and follow applicable NEC requirements for cables routed through plenum air spaces before securing bundles. Use appropriate cable tie tensioning tools to avoid over-tightening, which can damage cable jackets. Verify that all materials used in plenum spaces, including cable ties, meet the fire and smoke rating requirements of the local authority having jurisdiction.
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