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Boston Fire Department
Ignition Factor Codes

Effective Dec 17, 2002


Click Here for Ignition Codes
Prior to Dec 17, 2002

Cause Of Ignition
0
1
2
3
4
5
U
Cause, Other
Intentional
Unintentional
Failure of equipment or heat source
Act of nature
Cause under investigation
Cause undetermined after investigation

Factors Contributing To Ignition
1
10
11
12
13
14
15
16
17
18
19


2
20
21
22
23
25
26
27


3
30
31
32
33
34
35
36
37


4
40
41
42
43
44


5
50
51
52
53
54
55
56
57
58


6
60
61
62
63
64
65
66


7
70
71
72
73
74
75


9
00
NN
UU

Misuse of Material or Product
Misuse of material or product, other
Abandoned or discarded materials or products
Heat source too close to combustibles
Cutting, welding too close to combustible
Flammable liquid or gas spilled
Improper fueling technique
Flammable liquid used to kindle fire
Washing part, painting with flammable liquid
Improper container or storage
Playing with heat source


Mechanical Failure, Malfunction
Mechanical failure, malfunction, Other
Automatic control failure
Manual control failure
Leak or break
Worn out
Backfire
Improper fuel used


Electrical Failure, Malfunction
Electrical failure, malfunction, Other
Water caused short-circuit arc
Short circuit arc from mechanical damage
Short circuit arc from defective, worn insulation
Unspecified short-circuit arc
Arc from faulty contact, broken conductor
Arc, spark from operating equipment
Fluorescent light ballast


Design, Manufacturing, Installation Deficiency
Design/Manufacture/Installation deficiency, Other
Design deficiency
Construction deficiency
Installation deficiency
Manufacturing deficiency


Operational Deficiency
Operational deficiency, Other
Collision, knock down, run over, turn over
Accidently turned on, not turned off
Equipment unattended
Equipment overloaded
Failure to clean
Improper startup
Equipment used for not intended purpose
Equipment not being operated properly


Natural Condition
Natural condition, Other
High wind
Storm
High water including floods
Earthquake
Volcanic action
Animal


Fire Spread or Control
Fire spread or control, Other
Exposure fire
Rekindle
Outside/open fire for debris or waste disposal
Outside/open fire for warming or cooking
Agriculture or land management burns


Other Ignition Factor
Other factor contributed to ignition
None
Undetermined

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