Metallics KOB75 3/4 Plastic Kn...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$50.65
$0.65
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Metallics KOB75 3/4 Plastic Knockout Bushings

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Model: KOB75

In Stock (leaves warehouse same day if ordered before 3pm ET)

$50.65
$0.65
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Manufacturer Resources

Product Specs

Division:
Electrical H1
Product Group:
Conduit & Raceway
Sub Division:
Electrical-E H2
Department:
Electrical
Product Subgroup:
Conduit Fittings
Product Type:
Conduit Bushing

Metallics KOB75 – Frequently Asked Questions

1) What is a plastic knockout bushing actually used for on an electrical rough-in?
It snaps into an open knockout or conduit end and gives the conductors a smooth, insulated edge to pass over, so the wire jacket is not cut by sheet metal or a cut conduit edge. The KOB75 is the 3/4 inch version. It is wire protection and bushing duty, not a fitting that secures conduit mechanically.
2) Is the Metallics KOB75 metal or plastic?
Plastic. The KOB75 is a molded plastic knockout bushing, which is what makes it non-conductive at the point the wire crosses the opening. If your spec calls for a metallic insulated bushing or a grounding-type fitting, this is not the part.
3) Will a 3/4 inch knockout bushing work in a panel knockout that was opened for 3/4 EMT?
Yes, the sizing matches. A 3/4 inch knockout in a panel or box is the same opening 3/4 EMT terminates into, and the KOB75 is sized for that 3/4 inch opening. Where the raceway itself has to be mechanically secured to the enclosure, use a connector for that and reserve the bushing for protecting conductors at an open or terminated edge.
4) Do I order the KOB75 by anything other than the model number?
No options to pick. The KOB75 is sold as a single configuration, 3/4 inch plastic knockout bushing, so the part number KOB75 from Metallics is the whole order detail.
How fast can I get the Metallics KOB75 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Metallics KOB75 come with a warranty?
Absolutely. The Metallics KOB75 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Metallics KOB75?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Metallics KOB75 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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