SIGMA ENGINEERED SOLUTIONS ProConnex 55919M One-Hole AC/MC Strap, 100-Pack (Gray)
Quick take
The SIGMA ProConnex 55919M one-hole AC/MC strap is a zinc-plated steel mounting strap made to secure steel 14/2 to 12/2 AC and MC wire, using a 3/8-inch strap size. It is a solid pick when you need a reliable, no-fuss way to hold cable runs in place, but you must confirm the strap size fits your cable or raceway before buying.
Pros and cons
Pros
- Zinc-plated steel construction for durability in daily installs
- Designed for steel 14/2 and 12/2 AC and MC cable support
- One-hole mounting style for straightforward wall mounting
- 100-pack quantity is convenient for larger cable runs
Cons
- 3/8-inch strap size must match your cable or conduit, otherwise it may feel loose
- Specifically intended for AC/MC and steel wire sizes, not a universal catch-all for every cable type
What buyers think
Buyer feedback is centered on practical fit and holding power during installation. Several reviewers describe the strap as solid and well-made, with a secure hold on MC cable when fastened tightly. There is also recurring emphasis on selecting the correct strap size for the job, since an incorrect size can fit too loosely for certain metallic conduit or FMC setups. Overall, the review evidence points to reliable performance when the strap size is a match for the cable or raceway being secured, with limited evidence available to generalize beyond that compatibility factor.
How this strap is meant to be used
This is a one-hole mounting strap for supporting AC and MC cable runs. It is designed to work with steel 14/2 and 12/2 AC and MC cables, and the inner opening is specified at about 0.492-inch, which aligns with the product’s 3/8-inch strap size.
Because these straps are made for a particular cable and diameter range, the key step before ordering is checking that your cable or metallic cable housing fits the strap opening you need.
Compatibility and sizing, the part that matters most
The most important buyer decision factor here is whether the strap will hold your specific cable arrangement without being sloppy. Multiple review themes highlight that using the right strap size makes a noticeable difference in how firmly the cable is retained once you tighten it down.
- For steel 14/2 to 12/2 AC and MC, this strap is intended to support those wire sizes.
- Inner diameter is about 0.492-inch, so if your cable or raceway sits outside what that opening can firmly secure, you may experience looseness.
- One-hole mounting makes it easy to line up fasteners and keep cable runs neat.
Build quality and durability
The strap is made from zinc-plated steel, finished in a polished gray look. Zinc-plated steel is typically chosen for corrosion resistance in many construction environments, which lines up with these straps being marketed as suitable for dry locations. For installers, the practical takeaway is that you should expect a rigid metal strap that holds its shape when tightened to the mounting surface.
Installation experience
The strap’s compact size (about 1.28 x 0.5 x 0.47 inches) and single mounting hole are geared toward quick attachment on framing or wall surfaces. Mounting is a standard wall-mount approach, and buyers who used it specifically to secure MC cable mention that it does not “wiggle” when fastened tightly, suggesting the strap’s shape and inner fit work as intended when sized correctly.
Pros and cons (buyer-fit summary)
This is a good fit if:
- You are supporting steel 14/2 to 12/2 AC and MC cable runs and want a straightforward one-hole strap.
- You want a 100-pack option to cover a multi-location install without worrying about running short.
- You prefer metal straps that feel sturdy when tightened.
You may want a different strap if:
- You are not sure your cable or metallic raceway fits the 0.492-inch inner diameter range for this strap size.
- Your project needs straps for a cable type or wire size outside what this strap is intended for.
Price and availability
This 100-pack format is positioned for practical jobsite use, and availability can vary by marketplace demand. If you are comparing multiple strap options, base your final choice on compatibility first (strap inner opening and intended cable type), then compare value by pack size for your expected number of mounting points.
Alternatives to consider
If this strap’s size or intended cable type does not match your install, you will typically want to shop within the same category (AC/MC cable straps) while focusing on:
- Strap size and inner diameter so the cable housing sits securely without looseness
- One-hole vs. other mounting styles based on how you plan to route and secure cable
- Material and finish for the environment where the runs are installed
Verdict
The SIGMA ProConnex 55919M one-hole AC/MC strap is a durable, zinc-plated steel option for holding steel 14/2 to 12/2 AC and MC cable runs. The main buying caveat is simple but crucial: confirm the 3/8-inch strap size and inner opening match your specific cable or metallic housing so it can grip firmly when mounted.
FAQ
What wire sizes is this strap compatible with?
It is intended for steel 14/2 and 12/2 AC and MC wire support.
What is the strap opening size?
The strap’s inner diameter is specified at about 0.492-inch, which corresponds to the 3/8-inch strap size.
Is this a universal cable strap for any cable?
No. It is made for AC/MC and specific steel wire sizes, so you should verify the cable or raceway fits the strap opening to ensure a secure hold.
How many straps come in the pack?
This is a 100-pack.
What material is it made from?
The strap is made from zinc-plated steel with a polished finish.
Where is it intended to be used?
It is listed as suitable for dry locations.
Specifications
| Product Title | SIGMA ENGINEERED SOLUTIONS ProConnex 55919M One-Hole AC/MC Strap, 100-Pack (Gray) |
|---|---|
| Category | Electronics > Accessories & Supplies > Cord Management > Cable Straps |
| Brand | Sigma Engineered Solutions |
| Manufacturer | Sigma Engineered Solutions |
| Model Number | 55919M |
| Color | Gray |
| Material | Alloy Steel |
| Item Weight | 8 ounces |
| Brand Name | Sigma Engineered Solutions |
| UPC | 031857111526 |
| Global Trade Identification Number | 00031857111526 |
| Set Name | Sigma ProConnex One-Hole BX Strap Set (100-Pack, 3/8-Inch) |
| Manufacturer Part Number | 55321A |
| Included Components | Sigma Electric ProConnex 55919M One-Hole BX Strap 3/8-Inch, 100-Pack |
| Item Type Name | Sigma Electric ProConnex 55919M One-Hole BX Strap 3/8-Inch, 100-Pack |
| Item Dimensions | 1.28 x 0.5 x 0.47 inches |
| Unit Count | 100.0 Count |
| Item Depth | 0.5 |
| Material Type | Alloy Steel |
| Mounting Type | Wall Mount |
| Finish Types | Polished |
| Item dimensions L x W x H | 1.28 x 0.5 x 0.47 inches |
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