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Manufacturer Resources
Product Specs
- Certifications:
- UL Listed
- Finish Color:
- Brushed finish
- Product Height:
- 6 in
- Product Length Depth:
- 9.375 in
- Product Weight:
- 4.648 lb
- Product Width:
- 6 in
- Special Features:
- NEMA 4X
- Wiring Method:
- Feed through
- Department:
- Electrical
- Product Type:
- Flexible fitting
- Product Details:
- Flexible fitting
- Product Material:
- Stainless steel
B-LINE 66-4XSFFF – Frequently Asked Questions
1) Will the B-Line 66-4XSFFF flexible fitting work on a 6 x 6 wireway run?
Yes. The 66-4XSFFF is sized for 6 inch wireway, with a 6 inch height and 6 inch width, and it runs 9.375 inches along its length. It is a feed through fitting, so it joins two straight runs of 6 x 6 trough rather than turning a corner.
2) Can this B-Line wireway fitting be used in a washdown or outdoor corrosive area?
It is built for it. The 66-4XSFFF carries a NEMA 4X rating and the body is stainless steel with a brushed finish, which is the combination specified for washdown, food and beverage, water treatment and coastal exposure. It is also UL Listed. To keep the 4X rating across the run, the wireway and every other fitting in the line have to be 4X stainless as well.
3) What does a flexible feed through fitting do in a wireway run that a straight coupling does not?
A flexible fitting lets the run change direction or absorb movement between two sections of trough while still carrying conductors straight through. Use it where the wireway crosses a building expansion joint, ties into equipment that vibrates, or has to make an offset that a rigid elbow or straight coupler cannot pick up. If the two runs line up dead straight and nothing moves, a plain coupling is the cheaper part.
4) How much does the 66-4XSFFF weigh for hanging and support calculations?
The fitting weighs 4.648 lb by itself. That is the fitting only, before conductors, so add it to the loaded weight of the adjoining 6 x 6 trough sections when you size the trapeze or strut supports on either side of the joint.
5) Do I need a separate gasket or cover kit with this stainless wireway fitting?
The 66-4XSFFF is supplied as the flexible feed through fitting itself, in stainless with a brushed finish. What it does not include is the wireway sections it joins or any hanging hardware, so order the 6 x 6 NEMA 4X stainless trough and your support steel separately.
6) Is there more than one size or finish of this Eaton B-Line flexible fitting to choose from?
One configuration is offered: model 66-4XSFFF, stainless steel with a brushed finish, NEMA 4X, in the 6 x 6 size. There is no painted or galvanized version of this particular part number and no other trough size under it.
How fast can I get the B-LINE 66-4XSFFF 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 B-LINE 66-4XSFFF come with a warranty?
Absolutely. The B-LINE 66-4XSFFF 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 B-LINE 66-4XSFFF?
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 B-LINE 66-4XSFFF 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.