TB 8 Electrical Hazards At Fires Flashcards
What voltage are street lights powered with?
120 to 6150
____ amp of electricity going through the body for just two seconds is enough to cause death
1/10
What best describes voltage?
Psi
What best describes amps?
Flow (gpm)
What best describes ohms?
Resistance
What is extremely high voltage?
60,000 and up
When spotting apparatus around affected power poles, spot at least the distance?
Between two poles
What is the range of high voltage?
600 to 59,999
When directhose streams on a power pole, what is the “100” indicate in the 30/33/100 rule
30(spray) / 33(feet) / 100(psi)
According to NIOSH & OSHA, over _____ deaths occur from electrical
700
Over _____ electrocutions, wires down & electrical incidents occur annually in Los Angeles city?
3,000
Cros arms carry voltage signs that states____?
High voltage 750 volts
The danger of high-voltage capacitors is they have been known to retain a deadly electrical charge even _____ after the power has been shut down?
Weeks
DWP PRIMARY Distribution lines are usually______ KV?
4.8
Electrical current is the movement of?
Charge