NFPA Configuration:
Large Apparatus
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Large Apparatus | Zone A – Upper Front

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NFPA Large Apparatus Lighting Requirements

This page provides a general overview of the Large Apparatus emergency warning light requirements of the “NFPA 1901 Standard for Automotive Fire Apparatus – 2016 Edition”. The NFPA 1901 standard defines a Large Apparatus as an apparatus that has a bumper-to-bumper length of 25 feet or more, or an apparatus that has the optical center of any optical warning device at greater than 8 feet above level ground.

Warning Zones

Rev 5/20

Each apparatus, 25 feet long or greater, is divided into eight (8) warning zones – four upper and four lower.

Modes of Operation

Calling for Right of Way: Apparatus responding to an emergency.
Blocking Right of Way: Apparatus at emergency scene. White light not permitted.

Permissible Colors

All colors must meet the SAE J578 color
specification for White, Red, Blue, and Amber.
The diagram at right shows which colors are
allowed in each zone.
Color Calling for Right of Way Blocking Right of Way
Red Any zone Any zone
Blue Any zone Any zone
Amber Any zone except A Any zone
White Any zone except C Not permitted

Flash Rate and Failure

The minimum flash rate allowed is 75 flashes per minute for any single optical source and 150 flashes per minute from all of the light sources visible at any data point (i.e., at least two warning lights are required in each zone). Failure of a lighting device should not leave a data point without a signal.

Light Energy Requirements for Apparatus–Values in Candela-Seconds per Minute

For vehicles 25 feet or longer: Light energy at each data point on the horizontal plane must be a minimum of 10K and 3.5K at +5o.

Midship Optical Warning Devices

A midship optical warning device shall be mounted on both the right and the left sides of the apparatus if the distance between the front and rear lower-level optical devices exceeds 25 ft (7.6 m) at the optical center. Additional midship optical warning devices shall be required, where necessary, to maintain a horizontal distance between the centers of adjacent lower-level optical warning devices of 25 ft (7.6 m) or less. The optical center of any midship mounted optical warning device shall be between 18 in. and 62 in. (460 mm and 1600 mm) above level ground.

Choose one of the popular light bar models below or customize your own light bar with our online configurator. Federal Signal Sales Manager will need to approve that custom configured light bars meet NFPA requirements.

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Custom Light Bar Configured on FS Light Bar Configurator. Configuration will need to be confirmed by FS Sales Manager…

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HL15PC-R + HL15PC-A

(One) Red LEDs, Clear Dome, Permanent Mount and (One) Amber LEDs, Clear Dome, Permanent Mount

$980.00
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HL15PC-A + HL15PC-A

(Two) Amber LEDs, Clear Dome, Permanent Mount

$980.00
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VSLR60S-NFPA1 60" Lightbar
VSLR60S-NFPA1

Red/White Warning Lights, Takedown/Alley Lights, White Light Cut-off, Serial Interface Module, Hook Mount

$6,119.00
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VSLR60S-NFPA2 60" Lightbar
VSLR60S-NFPA2

Red/White Warning Lights, White Light Cut-off, Serial Interface Module, Hook Mount

$6,319.00
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VSLR60S-NFPA3 60" Lightbar
VSLR60S-NFPA3

Red/White Warning Lights, Takedown/Alley Lights, White Light Cut-off, Serial Interface Module, Hook Mount

$6,119.00
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VSLR60S-NFPA4 60" Lightbar
VSLR60S-NFPA4

Red/White Warning Lights, White Light Cut-off, Serial Interface Module, Hook Mount

$6,319.00
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VSLR6S-NFPA3 6 pod (3 each side)
VSLR6S-NFPA3

6 pod (3 each side), Red/White Warning Lights, Takedown/Alley Lights, White Light Cut-off, Discrete, Permanent Mount

$5,243.00
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VSLR8S-NFPA1 8 pod (4 each side)
VSLR8S-NFPA1

8 pod (4 each side), Red/White Warning Lights, White Light Cut-off, Discrete, Permanent Mount

$5,436.00
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NVG60D-NFPA20 60" Lightbar
NVG60D-NFPA20

Red/White Warning Lights, White Light Cut-Off, End & Rear-Blocking Mirrors, Clear Domes, Clear Bulkheads, Discrete, 4…

$3,182.00
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VSLR8S-NFPA2 8 pod (4 each side)
VSLR8S-NFPA2

8 pod (4 each side), Red/White Warning Lights, Takedown/Alley Lights, White Light Cut-off, Discrete, Permanent Mount

$5,686.00
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NVG60D-NFPA21 60" Lightbar
NVG60D-NFPA21

Red/White Warning Lights, White LED Flood Light, White Light Cut-off, Clear Domes, Clear Bulkheads, Discrete, 4" Riser…

$3,657.00
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VSLR8S-NFPA3 8 pod (4 each side)
VSLR8S-NFPA3

8 pod (4 each side), Red/White Warning Lights, White Light Cut-off, Discrete, Permanent Mount

$5,436.00
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NVG60D-NFPA22 60" Lightbar
NVG60D-NFPA22

Red/White Warning Lights, White LED Flood Light, White Light Cut-off, Clear Domes, Clear Bulkheads, Discrete, 4" Riser…

$4,097.00
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VSLR8S-NFPA4 8 pod (4 each side)
VSLR8S-NFPA4

8 pod (4 each side), Red/White Warning Lights, Takedown/Alley Lights, White Light Cut-off, Discrete, Permanent Mount

$5,686.00
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NVG73D-NFPA20 73" Lightbar
NVG73D-NFPA20

Red/White Warning Lights, White LED Flood Light, White Light Cut-off, Clear Domes, Clear Bulkheads, Discrete, 4" Riser…

$3,331.00
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ALGT61D-NFPA1

Red/White Warning Lights, White LED Flood Light, Red Domes, Permanent Mount

$3,452.00
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NVG73D-NFPA21 73" Lightbar
NVG73D-NFPA21

Red/White Warning Lights, White LED Flood Light, White Light Cut-off, End & Rear-Blocking Mirrors, Clear Domes, Clear…

$4,081.00
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ALGT61D-NFPA2

Red/White Warning Lights, Takedowns and Alley Lights, Clear Domes, Permanent Mount

$3,352.00
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NVG73D-NFPA22 73" Lightbar
NVG73D-NFPA22

Red/White Warning Lights, White LED Flood Light, White Light Cut-off, End & Rear-Blocking Mirrors, Clear Domes, Clear…

$4,061.00
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ALGT70D-NFPA2

Red/White Warning Lights, White LED Flood Light, Clear Domes, Flat Mount

 

 

$3,549.00
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NVG73D-NFPA23 73" Lightbar
NVG73D-NFPA23

Red Warning Lights, Clear Domes, Clear Bulkheads, Discrete, 4" Riser Mount

$3,971.00
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ALGT21D-NFPA20D + ALGT21D-NFPA20P

(Two) Red/White Warning Lights, Takedowns, Clear Dome, Low Profile Permanent Mount

$1,810.00
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NVG73D-NFPA24 73" Lightbar
NVG73D-NFPA24

Red/White Warning Lights, White LED Flood Light, White Light Cut-off, Clear Domes, Clear Bulkheads, Discrete, 4" Riser…

$4,131.00
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NVG87D-NFPA20 87" Lightbar
NVG87D-NFPA20

Red/White Warning Lights, White LED Flood Light, White Light Cut-off, Clear Domes, Clear Bulkheads, Discrete, 4" Riser…

$3,884.00
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NVG87D-NFPA22 87" Lightbar
NVG87D-NFPA22

Red/White Warning Lights, White LED Flood Light, White Light Cut-off, End & Rear-Blocking Mirrors, Clear Domes, Clear…

$3,899.00
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