TB 172 Flashcards
(8 cards)
1
Q
During NFPA testing how many gallons to cook battery pack?
A
2600-3000 gallons
2
Q
How many days after can battery pack produce heat from being damaged?
A
Up to 6 days after aka thermal runaway (900F)
3
Q
Indications of battery failure
A
Popping or whistling sound
Directional sustained flames
White or light grey smoke
More intense fire from damaged battery
4
Q
Battery abuses that lead to failure
A
Mechanical
Electrical
Chemical
Thermal
5
Q
NFPA standard for stationary energy storage systems
A
NFPA 855
6
Q
Should you ever use foam on EV fires
A
No
7
Q
How large of a safety zone on EV fires
A
30 feet
8
Q
How many volts do battery packs hold?
A
100-500 plus volts
