ENCLOSURE
FlexBox™ Electrical Junction & Pull Boxes by NEMACO™
FlexBox™ Junction & Pull Boxes are use to protect power cables and communications for data equipment, radar systems, and telecom systems from warehouse dust to outdoor extreme weather conditions.
Removal covers to for easy access for installing wiring and cables
Hinged Cover (Option): 304 stainless steel piano hinge (not steel)
Height: 6", 8", 10", 12", 14", 16", 18", 20" or custom size
Depth: 6", 8", 10", 12", 14", 16", 18", 20" or custom size
Length (overall length) 12", 16", 20", 24", 30", 36", 42", 48” or custom size
Configurations: wall mount, floor mount or custom brackets
Materials Available: mild steel, (304 / 316) stainless steel, aluminum, fiberglass
Powder Coat Colors: white, light gray, medium gray, black, hunter green
Environmental Ratings: NEMA 3, 3R, 4, 4X, 12
UL Listed Ratings: Type 4, 4X, 12
Applications: electrical wiring, power cables, communications cables
Find the Correct Size for Your Project
To calculate and send the following information to us.
Enclosure Size Height x Width x Depth
Enclosure Material: Mild Steel, Stainless Steel or Aluminum
Enclosure Color White, Gray, Black, Stainless (no coating) for example
Configuration: Removable cover or hinged cover
Call NEMACO™ for junction & pull boxes.
NEMACO™ FlexBox™ junction & pull boxes provide secure, code-compliant housing for wire splicing, terminations, and conductor pull points in industrial, commercial, and infrastructure installations. Designed for both indoor and outdoor use, they deliver reliable sealing performance across a range of environmental conditions while keeping installations inspection-ready and up to code. American made and available in multiple materials and NEMA and IP ratings, these boxes support custom sizing and configuration to fit the specific demands of the installation.
Submersible Enclosure
SubPro™ ECO
Single Bay Wall Mount
Material: Stainless Steel
Standard Finish: #4 or Mill Finish
Dimensions [in.]: H:4–24, W:4–24, D:4–12
Submersible Enclosure
SubPro™ AlumTec
Wall Mount
Material: Aluminum
Standard Finish: Powder Coat ANSI 61 Gray
Submersible Enclosure
SubPro™ FRP
Wall Mount
Material: Fiberglass
Standard Finish: UL Gelcoat
Junction & Pull Box
FlexBox™ 4
Wall Mount
Material: Aluminum
Standard Finish: Powder Coat ANSI 61 Gray
Dimensions [in.]: H:12–60, W:12–36, D:4–12
BLOG
April 25, 2026
How to Choose the Right Electrical Enclosure Material | Engineering Selection Guide
Select electrical enclosure materials based on environmental exposure, corrosion mechanisms, thermal behavior, and long-term performance. Compare steel, aluminum, stainless steel, and fiberglass using real-world engineering criteria.
April 25, 2026
Waterproofing Electrical Enclosures: Rain, Washdown, and Submersion Explained
Understand waterproofing in electrical enclosures, from rain protection (NEMA 3R) to washdown (NEMA 4X) to submersion (NEMA 6 and 6P). Learn how to choose the right level.
April 25, 2026
How to Prevent Water Ingress in Submersible Electrical Enclosures
Learn how to prevent water ingress in submersible electrical enclosures using system-level sealing, torque control, field validation, and detection strategies for long-term performance.
