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Manufacturer Resources
Product Specs
- Product Group:
- Electrical Enclosures
- Surface Finishing:
- Pre-Galvanized
- Product Material:
- Steel
- Volume:
- 5 in³
- Product Size:
- 4 Inches
- Product Color:
- Silver
- Department:
- Electrical
- Product Type2:
- Outlet Box Covers
- Product Subgroup:
- Boxes
- Product Shape:
- Square
Steel City RS9-10L – Frequently Asked Questions
1) Will the Steel City RS9-10 cover fit a standard 4 inch square outlet box?
Yes. The RS9-10 is a 4 inch square raised cover, so it mounts to any standard 4 x 4 inch square outlet box using the box's two diagonal cover screw holes. It is a single gang cover, meaning the 4 square box gets reduced down to one device opening for a toggle switch.
2) What is the difference between the RS9-10L and RS9-10R versions of this Steel City cover?
Two cover types are offered: the RS9-10L is the raised cover version and the RS9-10R is the box cover version. Both are 1 gang toggle switch covers for a 4 inch square box; pick based on whether you need the raised profile to gain device room and bring the device forward to the finished wall surface.
3) How much box volume does the RS9-10 raised cover add for conductor fill calculations?
The cover adds 5 cubic inches of volume, which you add to the box's own cubic inch capacity when doing a box fill count. That extra 5 in3 is often what keeps a crowded 4 square box legal when a switch, grounds and several conductors are landed in it.
4) Can I use the RS9-10 cover for a duplex receptacle instead of a switch?
No. The RS9-10 is punched for a single toggle switch, so the opening is the narrow toggle shape and a duplex receptacle will not mount to it. For a receptacle on a 4 square box you need a raised cover with the duplex opening instead.
5) Is this Steel City switch cover OK for a damp location or unfinished area?
It is pre-galvanized steel, which gives it a zinc coating for general indoor and dry industrial use in exposed conduit work. Pre-galvanized is not the same as hot-dip or a gasketed weatherproof cover, so for wet or outdoor locations use a weatherproof cover and box designed for it.
6) Do I still need a wall plate over this raised toggle cover?
Yes, in a finished space. The raised cover carries the switch and closes the box, but a standard single gang toggle wall plate goes over it for the finished look. In exposed industrial or garage work many installers leave the steel cover bare; its silver pre-galvanized finish is the exposed surface in that case.
How fast can I get the Steel City RS9-10L 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 Steel City RS9-10L come with a warranty?
Absolutely. The Steel City RS9-10L 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 Steel City RS9-10L?
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 Steel City RS9-10L 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.