Electrical and Electronic Safety Flashcards
What is the sensation and muscular spasm caused by electric current passing through the body?
Electric shock
What are the severities of electric shock?
Path, Amount, Resistance, and Time
What are the best practices for avoiding Electric shock?
- Making sure power is secured (off) before attempting to remove electrical equipment.
- Keeping covers, doors, and enclosures in place or closed when electrical equipment I not being used.
How do you isolate the source when working with a live circuitry?
- Get permission from the Commanding Officer
- Rope off the area
- Post appropriate signs
- Warn fellow workers of the dangers
- Remove all metal objects including rings, jewelry, watches, belts, etc…
- Wear appropriate protective equipment
- Never work alone
What are some best practices for insulating the source of electric shock?
Make sure electrical tools and equipment are properly insulated and checked for safety by the Petty Officer who issues electrical tools.
Use only insulated hand and portable electric power tools.
Frequently check power and extension cords for deterioration, cracks, and breaks.
What does the acronym HERO mean?
Hazard of Electromagnetic Radiation for Ordnance.
What is HERO?
Hazards caused by the presence of electromagnetic radiation in excess of established safety levels near ordnance
What are the cautions required for HERO?
- Follow set procedures to prevent transmitters from sending out signals.
- Secure radio/radar transmitters, place into a dummy load, place in standby, or turn off.
- Place non-essential communications systems in standby/off.
- Make announcement over the ships intercom (1MC) to set or cancel HERO/EMCON condition.
What is the two main colors of tags used in the Tag- Out system?
yellow and red
What is the Yellow tag?
A “caution” tag that is used as a precautionary measure to give temporary special instructions
What is the Red Tag?
A “danger” tag used to prohibit operation of equipment that if operated, could jeopardize the safety of personnel or damage equipment.
What is. Tag-Out Log?
A permanent log of the authorization given for all use of Tags
What is included in the Tag-Out Log?
The Tag-out index
DANGER/CAUTION record sheets
a log of all out of commission and out of calibration labels issued
Who is in charge of the Tag-Out Log?
The Authorization Officer of the Department
What are the dangers of working Aloft?
Falling, falling objects or tools, radiation burns, and suffocation.
