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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 KOB150 – Frequently Asked Questions
1) What size knockout does the Metallics KOB150 bushing fit?
The KOB150 is a 1-1/2 inch plastic knockout bushing, so it drops into a 1-1/2 inch trade size knockout in a box, panel, or enclosure. If your knockout is a different trade size, you need the matching size bushing instead, not this one.
2) Will a 1-1/2 inch knockout bushing work as a conduit connector?
No. The KOB150 is a knockout bushing, not a connector. It protects wire where it passes through a 1-1/2 inch knockout but has no threads or clamp to terminate EMT, flex, or rigid conduit. For a conduit termination you need a 1-1/2 inch connector of the right type for the raceway.
3) What is a plastic knockout bushing actually used for in an electrical box?
It lines an unused or oversized knockout so conductors passing through the sheet metal edge are not chafed. The Metallics KOB150 snaps into a 1-1/2 inch knockout and gives the wire a smooth plastic bearing surface instead of a raw steel edge.
4) Is the Metallics KOB150 metal or plastic?
Plastic. The KOB150 is a molded plastic bushing, not a steel or die-cast fitting, so it is non-conductive and is not intended to carry a bonding path. Where the connection has to be part of the ground path, use a metallic fitting rather than this bushing.
5) Does the KOB150 bushing come in other sizes or just 1-1/2 inch?
Model KOB150 is the 1-1/2 inch bushing only, ordered as a single model with no size or color choices to specify. Metallics builds the KOB plastic knockout bushing line in other trade sizes under their own model numbers, so order by the knockout size you are filling.
How fast can I get the Metallics KOB150 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 KOB150 come with a warranty?
Absolutely. The Metallics KOB150 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 KOB150?
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 KOB150 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.