16x16x16in Underground Splice Box with Fiberglass Solid Cover - Labor

Our review of the 16x16x16in underground splice box finds it best suited to installers and contractors who need a ready-to-use, lightweight alternative to heavy precast pits. The biggest reason to buy is the time and labor saved during installation: this polyethylene draw pit arrives ready to set in place and can be drilled on site to suit cable routing, so teams avoid the heavy handling and extended work time tied to concrete pits. It is a practical choice where corrosion resistance and ease of handling matter.

Key Features

• Economic and Labor-saving: The preformed enclosure eliminates lengthy on-site construction and reduces manpower needs for a faster install.
• Lightweight Yet Strong: The polyethylene pit is non-conductive and corrosion resistant while reinforced lid backing improves load-bearing capacity.
• Non-slip Surface Inspection Lid: The fiberglass solid cover has a cross pattern that helps prevent pedestrian slips and provides a secure sealing surface.
• Simple to Drill: The chamber is drillable so installers can create multiple entry holes for pipes and cables without compromising structural strength.
• Adaptable Size: The 16L x 16W x 16H in dimensions are compact and fit many cable distribution needs, but can be confirmed for project fit before ordering.

Who It's For

Electricians, telecom crews, and municipal utilities that need a lightweight, corrosion-resistant junction box for underground cable runs will find this splice box useful, especially for non-traffic or low-load applications. The ready-to-use nature suits medium to large jobs where saving installation time reduces overall labor costs.

Customers who require vehicular traffic rated pits or larger custom dimensions should look elsewhere; this product is described for non-traffic use and the single size offered here may not suit every project without confirming dimensions in advance.

Pros & Cons

Pros

• Lightweight construction makes handling and placement far easier than precast concrete options.
• Fiberglass solid cover with reinforcement increases load-bearing where used appropriately.
• Drillable walls allow installers to customize conduit entries on site without weakening the chamber.

Cons

• Mixed reports on durability at corners suggest care during handling and backfill is needed to avoid damage.
• Designed for non-traffic or limited load situations and may not replace traffic-rated pits in all installations.

Specifications

Product type	Underground splice box / draw pit
Dimensions	16L x 16W x 16H in
Cover material	Fiberglass polymer solid cover
Chamber material	Polyethylene plastic (non-conductive, corrosion resistant)
Drillable	Yes, multiple holes can be created
Surface	Non-slip cross pattern on lid

Our Verdict

The 16x16x16in underground splice box is a good-value, labor-saving option for installations that do not require traffic-rated enclosures. It offers sensible corrosion resistance, easy on-site modification, and a reinforced lid that improves practical load handling, making it a smart choice for installers focused on speed and low handling weight.

Frequently Asked Questions

Can this pit be drilled for multiple cables?
Yes. The chamber is designed to be easily drilled and can accept multiple holes without affecting overall strength.

Is the cover slip resistant?
The fiberglass solid cover has a cross pattern surface that reduces slipping for pedestrians and helps protect the chamber from water and gas accumulation.

Is this suitable for vehicle traffic?
This product is described for non-traffic use; it is not intended as a direct replacement for traffic-rated concrete pits in heavy load areas.