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LED Lighting Supply / Industrial Lighting / Explosion Proof Lighting / Class 1 Div 1 LED Lighting

Class 1 Div 1 LED Lighting

Class 1 Div 1 LED Lighting (C1D1) is explosion-rated lighting designed to work in explosive environments where hazardous conditions and concentrations of flammable combustible vapors, liquids or gases, are always present. Class 1 Areas are defined as groups and are categorized by the type of material found. The most common groups are: (A) Acetylene, (B) Hydrogen, (C) Ethylene and/or propane and (D) Propane, butane, methane and benzene.

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Frequently Asked Questions

There are a lot of unknowns around Class 1 Division 1 lighting. So we asked our customers what questions had. Scroll down to find answers to our common questions or call (888) 423-3191 to speak with a lighting expert.

General

What Is Class 1 Div 1 LED Lighting?

Class 1 Division 1, or C1D1, is a classification of explosion ratings. It’s designed to work in explosive environments  where hazardous conditions and concentrations of flammable combustible vapors, liquids or gases, are always present.

What Is a Class 1 Division 1 Area?

Class 1 Areas are groups. Groups categorized by the type of material found. The most common groups are:

(A) Acetylene
(B) Hydrogen
(C) Ethylene and/or propane
(D) Propane, butane, methane and benzene.

It is common to see C1D1 Groups C and D but not C1D1 Groups A and B.

Is Class 1 Division 1 Explosion Proof?

Yes, C1D1 is explosion-proof under UL844 testing standards.

LED Explosion Proof Light Installed

Class 1 Div 1 Led Lighting

Is Class 1 Div 1 Stricter Than Class 1 Div 2?

Yes, it is. C1D1 is the strictest of all standards, followed by Class 1 Div 2.

What’s the Difference Between Class 1 Div 1 and Class 1 Div 2?

The main difference is the presence of gas or other explosive materials. C1D1 handles ‘always present’, while C1D2 is for ‘sometimes present’ environments.

Is Class 1 Div 1 the Same as Atex?

Class 1 Division 1 is a classification of explosion proof lighting that we use in North America. ATEX is a different standard not used in this country. Lights that are UL rated and tested for C1D1 do not always qualify for ATEX certification and vice versa. In other words, a similar ATEX classification to C1D1 does not mean the light has met UL standards for C1D1.

What Are the Benefits of Using Class 1 Div 1 LED Lighting?

Like other LED lights, explosion proof fixtures provide the same key benefits. Energy saving, reduced maintenance and improved quality of light. They also meet the certification requirements needed in a Class 1 Div 1 applications. And they will provide a safe lighting environment.

BEFORE YOU BUY

What Gases Can Be Used in a Class 1 Div 1?

The gases used in Class 1 Div 1 are Acetylene, Hydrogen, Ethylene, Propane, Butane, Methane and Benzene.
outdoor refinery lights at night

Do You Have Class 1 Div 1 Lights in Stock?

We have stock available in the USA. Contact us and we can tell you how many of the lights that you need we have available at that moment.

How Fast Can You Ship Class 1 Div 1 LED Lighting to My Location?

Once the order’s placed, lights can ship in 4 to 7 business days. All our explosion proof fixtures go through a final 100% burn process. It ensure 100% functionality when you get the fixture.

Is Class 1 Div 1 LED Lighting Intrinsically Safe?

It can be. But there’s a difference between explosion proof and intrinsically safe lighting.

Explosion proof fixtures design handles the case an explosion starts inside the fixture. The explosion would channel and cool inside the fixture. So, when it comes to the point to escape the fixture, it does not result in an explosion in that environment.

Intrinsically safe lights are different. They’re designed in such a way that they are not capable of creating an explosion or spark. They are low voltage battery-operated fixtures.

What Are Class 1 Div 1 LED Lighting Made Of?

These fixtures are high impact, heavy aluminum frames with thick tempered glass.

Do Class 1 Div 1 Lights Come with Power Cords?

Not always. Everything inside the C1D1 area needs to also be Class 1 Division 1 rated. That includes the conduit, junction boxes and switches.

What Extra Items Do You Need to Install Class 1 Div 1 LED Lighting?

Everything this light’s connected to inside the room also needs to be Class 1 Division 1 rated. There are some accessories available. But they’re limited due to the special nature of this fixture.

FIXTURES AND FITTINGS

What Are the Best Applications of C1D1 LED Lighting?

The best applications of Class 1 Div 1 lighting are hazardous environments. This is where explosive gases or materials are always present.

Can You Hard Wire Electrical Connections in Class 1 Div 1 Areas?

Yes, work with a qualified electrician whose certified in this type of installation. And, there can not be any exposed wires.

Can I Use a Class 1 Div 2 or Vapor Proof Fixture instead?

Never use vapor tight fixtures in place of either a Class 1 Div 1 or Class 1 Div 2 fixture. That is not what they are designed for. They are designed to keep a non-explosive corrosive or damaging atmosphere from harming the internal lighting compo

Please check with your local permitting or fire department to confirm if a Class 1 Division 1 fixture is required.

INSTALLATION

How Do I Install Class 1 Div 1 LED Lights?

A word of caution: Never install these lights on your own. Make sure to always hire an experienced and qualified electrician to do the job for you.