Heavy-Duty Electrical Receptacles for Trucks, Trailers & Equipment Bodies

When outfitting service bodies, crane trucks, utility vans or trailers, reliable power outlets and receptacles are essential. At Custom Truck One Source we supply rugged electrical receptacle solutions built for the demanding conditions of Class 6–8 trucks, trailer systems and vocational vehicle builds—where vibration, weather, heavy use and accessibility are all part of daily operations.

Why the Right Receptacle Matters

A receptacle—or the power outlet embedded in a vehicle body or trailer—is far more than a convenience feature. In vocational builds it powers lighting, tool chargers, auxiliary systems, in-cab electronics, shore power or jobsite equipment. Standard consumer receptacles often aren’t built for the heavy-duty environment. The right design will endure temperature extremes, moisture, dust, vibration and high plug-in cycles. As one article on heavy-duty vehicle outlets notes, “the Cab Power® System includes surface or flush-mount receptacle outlets… weatherproof, durable and resistant to adverse over-the-road trucking conditions.”
Choosing mismatched or light-duty receptacles can lead to corrosion, poor connections, failures under load or increased maintenance downtime.

Key Specification & Fitment Criteria

When selecting receptacles for vehicles, trailers or body builds, consider:

• Voltage & system compatibility: Do you need 12 V, 24 V, 120 V AC shore power or both? Ensure the receptacle matches your application and wiring.

• Mount style & location: Will the receptacle be mounted inside the body, on the exterior, in a sealed panel, on a trailer, or on a pole? Choose panel-rated, weatherproof or sealed versions accordingly.

• Durability & environmental rating: Industrial grade or heavy-duty devices use tougher construction—impact- and chemical-resistant surfaces, sealed connection points and vibration resistant mounting.

• Connector type & amperage: Match the receptacle to the expected load (amps), number of poles, grounding, locking vs standard, and wiring type.

• Service & maintenance accessibility: Ensure the receptacle is easy to access for inspections, plug-in changes, replacements and meets fleet service-interval needs.

Fleet & Body-Builder Benefits

Choosing correctly specified receptacles brings operational advantages:

• Greater uptime and fewer electrical failures due to heavy-duty, fit-for-purpose design.

• Easier integration into your build or body-layout because you match voltage, location and mounting up front.

• Simplified parts inventory—when you standardize on durable receptacles, you reduce variety and service mistakes.

• Better safety and reliability for your drivers, crews and equipment when power outlets hold up under vocational conditions.

Why Choose Custom Truck One Source

With decades of experience in vocational trucks, service bodies, trailers and fleets, Custom Truck One Source offers more than part numbers. We provide:

• Heavy-duty receptacle solutions designed for trucks and trailers, not just buildings.

• Parts specialists who understand vehicle wiring, voltage systems and build-specific demands.

• National inventory, fast shipping and one-stop parts for both electrical and body outfitting needs.

Ready to Choose Your Receptacles?

Browse our selection of heavy-duty receptacle devices, filter by voltage, mount style, rating, locking vs standard and environment (interior/exterior). If you’re not sure which receptacle fits your truck, trailer or body build—contact our parts team with your vehicle make, model, body type, voltage system and anticipated load requirements—and we’ll help you pick the correct receptacle solution.