Ontario Fire Extinguisher Sign Requirements: Placement, Size & Compliance

Fire extinguisher signage isn't optional in Ontario — it's a legal requirement under the Ontario Fire Code (O.Reg 213/07) and NFPA 10. Missing or inadequate signs can result in fines, failed inspections, and — worst case — delayed emergency response when seconds count.

What the Ontario Fire Code Requires

Section 6.2 of the Ontario Fire Code mandates that all fire extinguishers in commercial, industrial, and institutional buildings be:

1. Clearly identified with location signs visible from normal access paths
2. Mounted at proper height (handle not higher than 1.5m from floor)
3. Unobstructed with no storage or equipment blocking access
4. Properly classified with signs showing extinguisher type/class

Types of Fire Extinguisher Signs Required

1. Location Identification Signs

Mounted above or near each extinguisher to make it visible from a distance:

• Arrow signs: Red with white arrow pointing down to the extinguisher
• Text signs: "FIRE EXTINGUISHER" in white on red background
• Pictogram signs: Universally recognized extinguisher silhouette
• Mounting height: 1.5-2.1m above finished floor

2. Class Identification Signs

Shows which fire types the extinguisher can handle:

Class	Fire Type	Symbol Shape	Common Location
A	Ordinary combustibles (wood, paper, cloth)	Green triangle	Offices, hallways, storage
B	Flammable liquids (gasoline, oil, grease)	Red square	Garages, workshops, labs
C	Electrical equipment	Blue circle	Server rooms, electrical panels
D	Combustible metals (magnesium, titanium)	Yellow star	Manufacturing, machine shops
K	Cooking oils and fats	Black hexagon	Commercial kitchens

3. Floor Marking and Clearance Signs

• Floor markings: Red outline or tape marking a 36-inch clear zone around each extinguisher
• "Keep Clear" signs: Prevent storage from blocking access
• Inspection tag holders: For monthly and annual inspection records

Placement Rules

The Ontario Fire Marshal's Office requires:

• Maximum travel distance: 22.9m (75 feet) to nearest extinguisher in most occupancies
• Visibility: Signs visible from the normal path of travel
• Height: Arrow/location signs at 1.5-2.1m above floor
• Obstruction-free: No furniture, equipment, or merchandise blocking the extinguisher or sign
• Consistent colour: Red and white for all fire extinguisher signage

Common Violations Found During Inspections

1. Missing signs entirely — extinguisher present but no location sign
2. Obstructed extinguishers — boxes, shelving, or equipment blocking access
3. Wrong class sign — ABC sign on a Class K (kitchen) extinguisher
4. Faded or damaged signs — no longer legible from required distance
5. Signs too low — mounted below eye level, invisible from distance

Industry-Specific Requirements

• Restaurants: Class K extinguisher + sign within 9m of cooking equipment
• Manufacturing: Class D signs near metalworking, Class B near flammable storage
• Schools: ABC extinguishers in corridors, Class B in science labs
• Hotels: Signs at every floor landing and near kitchen areas

Frequently Asked Questions

What fire extinguisher signs are required in Ontario?

Ontario requires fire extinguisher location signs mounted above eye level pointing to each extinguisher, plus class identification signs showing which fire types each extinguisher handles (A, B, C, D, K).

Where should fire extinguisher signs be placed?

Signs must be mounted 1.5-2.1 metres above floor level, visible from the normal access path. Arrow signs should point down toward the extinguisher. Mounting height of the extinguisher itself: maximum 1.5m to the top.

How often should fire extinguisher signs be inspected?

Fire extinguisher signs should be inspected monthly as part of your fire extinguisher inspection routine, and annually during your fire safety audit.

What size do fire extinguisher signs need to be?

NFPA 10 recommends signs be visible from 15 metres (50 feet). For most commercial spaces, 8x12 inch or 10x14 inch signs with high-contrast red and white colouring meet this requirement.

Are there different signs for different extinguisher types?

Yes. Signs should indicate the extinguisher class: A (ordinary combustibles), B (flammable liquids), C (electrical), D (combustible metals), K (cooking oils). Multi-class signs are available for ABC extinguishers.

Related Resources

• Ontario Emergency Exit Signs Requirements
• Ontario Occupancy Load Signs
• Ontario Manufacturing Safety Signs
• Ontario WHMIS Safety Signs
• Safety Signs Collection
• Custom Signs Collection