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Explosion Proof Junction Boxes

Shop for Explosion Proof Junction Boxes. All fixtures and fittings inside a hazardous location must also be explosion proof rated. These junction boxes are Class 1 Div 1 and Class 1 Div 2 rated.

Explosion Rating

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Frequently Asked Questions

We spoke to our customers to find out what questions they have when buying an explosion proof junction box. If it’s your first time making a purchase with LED Lighting Supply, feel free to call us at (888) 423-3191 to speak with one of our lighting experts.


What Is an Explosion Proof Junction Box?

An explosion proof junction box is a junction box that is UL approved for explosion or hazardous locations. It allows you to mount and connect your explosion proof fixture to the ceiling. In the case of our product, it is bothC1D1 andC1D2 rated.

What Makes a Junction Box Explosion Proof?

It’s a junction box designed to pass UL’s strict guidelines for explosion proof ratings, under the main code UL844. Engineers design their product so it can pass these stringent requirements.

When Does It Make Sense to Use an Explosion Proof Junction Box?

If you are installing any electrical device in a room that requires explosion proof certified products, then an explosion proof rated junction box make sense.

Explosion Proof Jelly Jar


How Do You Determine If You Need an Explosion Proof Junction Box for Your Project?

If you are installing any explosion proof rated fixtures in an area, then you will need explosion proof junction boxes and conduit. It is not enough to use just explosion proof rated fixtures and standard conduit and junction boxes. If this is an existing installation, you usually can reuse the junction box and conduit already in place.

Does the Junction Box Come with an Explosion Proof Conduit?

No, it needs to be ordered separately. If this is an existing installation, you can usually reuse the junction box and conduit already in place.


How Do You Seal Off Explosion Proof Junction Boxes?

You shouldn’t have to do anything to seal it, other than reassembling it in the exact same way you opened it up to access the connections.

What Else Do I Need to Install My New Explosion Proof Fixtures If the Installation Is New?

Your local electrical code will be the best guide for this, but you should consider if everything in the room needs to be explosion rated.