Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
17 Cards in this Set
- Front
- Back
|
Identify a shipboard ungrounded system |
Critical to shipboard reliability
"Perfect" ungrounded system no path for current to flow if one of the power conductors are connected to ground "Real" ungrounded systems in danger of possible shock always some amount of current leakage |
|
|
Effects of electric shock on the human body |
cardiac arrest
muscle, nerve, and tissue destruction
thermal burns |
|
|
Effects of current on human body caused by electric shock |
1 ma: perceptible shock
10 ma: loss of muscle control
100 ma: ventricular fibrillation, fatal if applied to a vital organ more than one second |
|
|
Procedures for electrical shock rescue |
secure power
remove victim
call for medical assistance
administer CPR, if necessary, until relieved by medical authority |
|
|
CO responsibilities |
authorizes work on energized equipment (CDO in CO's absence)
*Work on energized systems 1000 Volts or greater is prohibited unless approved by NAVSEA |
|
|
Electro responsibilities |
establishes tool issue
CPR certified
authorizes electrical tools/equip. for shipbd use
supervises main., repair and issue of: (de)energized equip. portable electrical tools PPE
must be Safety Programs Afloat |
|
|
SUPPO responsibilities |
refers all equipment to electro for safety checks prior to issue |
|
|
DIVO responsibilities |
training
insp. of portable equipment
personal equipment is safety checked
ensure required personnel receive CPR training
new items received are safety checked
ensure electrical shock victims report to medical |
|
|
All Hands Responsibilities |
be alert to detect and report unsafe work practices and unsafe conditions |
|
|
What rates require CPR certification (min of 50%) |
EM IC ET FC CT IT |
|
|
What are 2 exceptions to pulling fuses in an energized circuit? |
critical equipment
PMS |
|
|
How often is portable equipment visually inspected?
Tested? |
Shall be visually inspected prior to use NSTM 300
Tested quarterly IAW MIP 3000 |
|
|
How many amps can kill a person? |
.1 Amps or 100 mA |
|
|
Tool Issue Room |
all ships require one
provided with insulated work bench
approved electric grade matting
segregated locker for "OOC" equipment |
|
|
Extension Cords |
may only connect 2 25' cables
100' cords only used in hangar, flt dk, well dk
100' cords in Repair Lockers labeled for emergency use only |
|
|
Surge Protectors |
must have...
metal case
double pole switch
circuit breaker |
|
|
Fuse Removal Energized Circuit |
< 1000 V
fuse holder in good condition
fuse holder not modified
< 10 A |
