Small Outdoor Weatherproof Equipment Enclosure

Cabinets & Enclosures - 18" x 16" x 10" Fiberglass Cabinet
18" x 16" x 10" Fiberglass Cabinet

This NEMA 4X fiberglass reinforced polyester cabinet features a fire treated and painted plywood backboard for easy field installation of communication devices and equipment in indoor or outdoor environments.

The enclosure is UL Listed, non-corrosive, non-conductive, light weight, and easy to modify. The added water and dust proof NEMA 4X vents provide convection cooling to further protect installed equipment. Cabinets can be secured with a padlock and easily installed onto a wall or strut mounting. An optional pole mount kit is available for order separately.

Customized cabinets and turn-key solutions to fit your specific applications needs are available from the RLH Industries design group. Please contact an RLH sales representative for more information about our cabinet modification and design program.

RLH also provides Custom Cabinet Configurations.


  • Weatherproof design for outdoor use
  • Heavy duty fiberglass cabinet
  • Fire treated and painted 3/4″ plywood backboard
  • Polyurethane gasket for weathertight door seal
  • Weatherproof NEMA 4X side and bottom vents
  • 7 position ground bar, accepts #10 to #1/0 AWG ground wire
  • Two stainless steel pad lockable latches
  • Wall/Strut mounting flange, optional pole mount kit available
  • Factory installed options available: include fans, heaters, thermostats, and more
  • Made in USA

Material: Fiberglass
Weight Cabinet: 18 lbs. / 8.2kg
Weight Pole Mount Kit: 4 lbs. / 1.8kg
Exterior Dimensions: H 19.3” x W 17.6” x D 9.6” (not including pole mount bracket)
Usable interior Depth: 6.7” to 8.0” (varies with document pocket on door)
Venting: NEMA 4X Vents to provide air circulation, 1 side vent, 1 bottom vent

Wall/Strut Mounting via Molded Flange
Accommodates ¼” bolt for wall or strut mounting*
Optional Pole Mount Kit: Strap attachment, fits 4 in. to 12 in. diameter poles

Hinged door with weatherproof gasket seal
Pad lockable latches

Interior Details
Usable Backboard: H 17.5 in. x W 15.5 in.
Backboard Type: 3/4” thick fire treated, painted plywood
Ground Bus: 7 position ground wire capacity (Qty. 4 – #10 to #6 AWG, Qty. 3 – #10 to #1/0 AWG)

Side View
Front View
Bottom View
Wall Mount
Pole Mount


Lead Time: 1 to 2 Weeks*

For product questions, volume pricing and/or delivery outside of the US and Canada, please contact sales.


18″ x 16″ x 10″ – Fiberglass Cabinet

Short descriptionPart numberPrice
18” x 16” x 10” Fiberglass Cabinet with Treated ¾” Wood backboardRLH-181610-F-1$380.00

18” x 16” x 10” Pole Mount Kit

Short descriptionPart numberPrice
Pole Mount Kit for Poles Sized 4”-12”PMK-181610-F-1$180.00

*Lead times are estimates and may vary. You will be contacted within 1 business day to go over the details of your order. If you require a specific date, let us know!
*Days = Business Days

WarningWarning: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to

RLH Industries - Fiber Optic Link
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