A fire hose cabinet Class 2 system is intended for use by building occupants and trained staff, with a smaller-diameter hose connection than a Class I system, which is sized for firefighters. Class III systems provide both. The class is a property of the standpipe system, not of the cabinet — but it determines what goes inside the cabinet, and therefore what the cabinet has to be.
Buyers on projects built to the American standards framework, which includes many Philippine, Middle Eastern and international-consultant projects, receive specifications written in these terms. Here is what each one means for the enclosure you order.
Who Each Class Is For
- Class I — for fire brigade use. Larger-diameter connections, operated by trained firefighters arriving with their own hose.
- Class II — for occupant use. Smaller-diameter hose, permanently connected and stored ready to deploy, so someone in the building can attack a fire in its early stage.
- Class III — both provisions on the same system, giving occupants a first-response option and firefighters a full-size connection.
That single distinction — who is expected to pick up the hose — drives everything else. Occupant-use equipment must be easy to deploy by an untrained person; brigade-use equipment prioritises flow and coupling compatibility with brigade hose.
What It Changes in the Cabinet
| Class | Typical cabinet consequence |
|---|---|
| Class I | Enclosure sized around the larger valve; often no stored hose |
| Class II | Enclosure holds a permanently connected hose or reel plus nozzle |
| Class III | Widest of the three — both connections plus stored hose |
A Class III cabinet is therefore usually the largest, and a Class I cabinet can sometimes be surprisingly compact if it houses a valve alone. Getting this wrong at the ordering stage is expensive, because the wall opening follows the cabinet.
Why the Class Is Decided Before the Cabinet
The class comes out of the fire strategy for the building, not out of procurement. A residential tower where occupants are expected to evacuate rather than fight fire has different provisions from a factory with a trained response team, and a building where the brigade needs a full-size connection on every floor is different again.
By the time a cabinet schedule reaches a buyer, that decision is already made and reflected in the drawings. The buyer's job is not to choose the class — it is to make sure the enclosure ordered can house what the chosen class requires, at the position and mounting height shown.
The Mistake That Costs Most
The expensive error is treating the class as a size. Two projects both specified "Class II" can need visibly different cabinets, because one stores a folded hose on a rack and the other a reel on a swing arm, and the reel needs clear swing radius that the rack does not.
So when a specification names a class, read on to the equipment schedule before pricing anything. The class narrows the possibilities; the equipment list settles them. Cabinet fire hose cabinet dimensions follow from that list, not from the class label.
Verify Before You Order
The exact connection sizes, spacing rules, coverage requirements and hose lengths for each class come from the standard the project is built to, in its current edition, as interpreted by the authority having jurisdiction. Editions are revised, and local amendments are common. Take those figures from your fire consultant's drawings and schedules — not from a supplier catalogue, and not from an older project. We build enclosures to whatever the approved specification says; we do not interpret the code on a client's behalf.
Projects in Southeast Asia frequently mix frameworks — an internationally specified tower next to a locally coded factory. Our fire cabinet standards by country overview covers how those frameworks differ across the region, and Philippine high-rise and office projects in particular are covered on our fire hose cabinet Philippines page.
What to Tell the Factory
The class alone is not a specification for the enclosure. Send four things:
- The class and the equipment list that goes inside it
- Valve size and hose or reel type
- Mounting style, wall build-up, and finished mounting height
- Material and finish, plus any signage wording the AHJ requires
With those, an enclosure can be built to fit the approved system exactly. Without them, the class label alone leaves the most important dimension — the internal clear space — unresolved until the equipment arrives on site.