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Detail Views - Electrical
| Dome Light Installed on Roof | ![]() |
A 110 Volt Caged Pull Light | ![]() |
Roof Mounted Dome Light | ![]() |
Light Switches on Interior Wall |


This is a standard dome light. This is one model of many, but it will give you an idea of what a standard dome light looks like. They are practical and functional. 

A 110 volt caged pull light seen on interior ceiling of jobsite office trailer. 

A roof mounted deluxe chrome plated round dome light. 

These 12 volt light switches will control the dome lights in your trailer. You can also use the switches on the lights themselves, but why. They also come on a 3-way switch if needed, so you can have one on each end of the trailer.
| A Panel Box on Wall | ![]() |
A 110 Volt Receptacle | ![]() |
110 & 12 Volt Switches | ![]() |
A 12 Volt Load Light |


This is a 110 volt panel box. All of your ac power will be routed through here. These are typically placed in the roadside forward area of the trailer, however, you can mount them almost anywhere. 

Interior view of a wall mounted 110 volt dual plug electrical receptacle, just like at home. 

Here you see both 110volt and 12 volt wall switches. These will turn the lights on and off from the doorway, or if you would like, you can have the 3-way style, and have a switch at each door. 

A roof mounted 12 volt load light. This is the standard cargo loading light on the rear of most car and cargo trailers.
| Exterior Shore Cord Plug | ![]() |
4' Fluorescent Light with Diffuser | ![]() |
Polished Recessed Quartz Light | ![]() |
Inside Recessed Quartz Light |


This is the 110-volt shore cord plug. When you arrive where you need to plug in to power your trailer, this is where you would plug in. This is typically located on the roadside forward area of the trailer. 

This is a 4 foot double tube fluorescent light with a diffuser on it. These will normally be placed in the center of the ceiling and will provide a lot of light. You may choose to have them mounted somewhere else if you wish. 

This is a polished recessed 500 watt quartz light (only available in Arizona). They are adjustable and are great for the track or show. They really put out the light! 

A recessed quartz light as seen from the interior.
| Gen. Door & Motor Base Receptacle | ![]() |
110 Volt Panel Box on Wall | ![]() |
Wall Mounted Thermostat | ![]() |
Exterior Mounted Marine Battery |


Louvered generator door & motor base receptacle. 

A 110 volt panel box with motor base. It is for control of your 110 volt power. 

This is the wall thermostat for the roof mounted air conditioner. 

This is the exterior mounted marine battery in a box. It is mounted on the front frame of the trailer with an ATP deck plate.
| Marine Battery in a Vented Box | ![]() |
Cargo Light Inside Rear Header | ![]() |
110 Volt Loading Light | ![]() |
Panel with 25 Foot Shore Cord |


A marine battery in a vented box. Also notice the electrical outlet on the wall. 

This is a cargo light on the inside rear header above the spring box for the ramp door. This will provide that extra light you need when loading and unloading. 

This is a 110-volt loading light mounted to the roof line. Great for those dark nights when you have to load up and go. 

This is a panel box with a 25 foot shore cord. Just pop open the floor cap and drop the cable in, run it to your power supply and all is well.
In stock trailers can be picked up within 48 hours of purchase at the factory. All other orders will be processed and can be picked up when the trailer construction is complete.
We have over 5 years of trailer experience in the personal cargo industry and also over 20 years experience in the auto/truck and heavy truck industry. We can answer the questions you have.
All Haulmark trailers come with a 3 yrs warranty on the trailers and 5 yrs on the axles. It is a one phone call automotive style warranty. Call 866-393-6053 or email service&warranty@haulmark.com
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