3M Light Heavy-Duty Cable Ties CT15_120-C

Yes. The 3M CT15 light heavy-duty cable tie is UL Listed 62275 Type 21 or 21S and Plenum Rated AH-2 for use in air handling spaces, so it is acceptable for bundling in a return-air plenum where the inspector requires plenum-rated tie wraps.

The operating range runs from -40 F to 185 F (-40 C to 85 C), so winter exposure and hot attic or mechanical-room temperatures are both inside spec. For sustained direct sunlight, order the black (BK) version rather than natural.

The 3M CT15_120-C is a single-size tie: 15 inches long with a 120 lb tensile strength, supplied 100 per package, and ordered in one color per part number - black (MPN 7010400614) or natural (MPN 7010400615). The Burndy CTASST is a Unirap series canister variety pack containing both natural and black ties in assorted sizes. Choose the 3M part when a bundle or an inspector calls for a consistent 15 in / 120 lb tie, and the Burndy canister when a service van needs a mixed assortment on hand.

Not as a like-for-like swap. The 3M CT15_120-C is UL Listed 62275 Type 21 or 21S and plenum rated AH-2 for use in air handling spaces, which is the specific approval an inspector looks for above a ceiling return. The Burndy CTASST is catalogued as a Unirap cable tie canister variety pack in natural and black, so if the job is plenum you should specify the tie that carries the AH-2 plenum rating rather than pulling from a general-purpose assortment.

The CT15 is rated at 120 lbs tensile strength (54.43 kg), which puts it in the light heavy-duty class. That covers heavy wire bundles, harness components, and supporting cable along tray or strut. It is not a structural fastener, so loads that depend on the tie holding weight long term should be carried by a clamp or hanger.

Two colors: black (BK), MPN 7010400614, and natural (NT), MPN 7010400615. Both are the same 15 inch, 120 lb tie. Natural is the usual choice for indoor concealed work; black is what crews use where the ties see light.

The 3M CT15_120-C carries a published operating range of -40 to 185 degrees F (-40 to 85 degrees C), so it is the one to specify when you need a stated low-temperature limit for an unconditioned or exterior run. The Burndy CTASST is a Unirap series assortment canister of natural and black ties, useful as general stock. Note that natural nylon is typically specified for indoor use and black for UV exposure, so for an outdoor run order the black CT15BK120-C, MPN 7010400614.

Stock the 3M CT15_120-C when the spec repeats. Every tie in the box is the same 15 in length at 120 lbs tensile strength, 100 to a package, with a curved tip that threads faster on repetitive harness work - so your crews pull an identical tie every time and your purchasing stays on one part number per color. The Burndy CTASST is a Unirap variety pack of natural and black ties, which suits a truck or shop bin where bundle diameters vary rather than a standardized assembly.

They ship 100 ties per package. For an MRO crib stocking one standard tie across a facility, that pack count plus the plenum rating makes this a single SKU that covers both general bundling and air-handling spaces.

The tip is curved, which feeds into the head on the first try instead of making you fish for it one-handed overhead. The pawl grips without slipping as you pull the bundle down, so you are not re-tensioning. On a long tray run that difference adds up.

Yes, the CT15 light heavy-duty ties are USA made, which matters on government and institutional jobs carrying domestic-sourcing requirements.