Which one of the following circuit interrupts is most effective at preventing major shocks?
GFCI
is the right answer because others cannot shut down electricity immediately.
Which one of the following methods most effectively protects machines?
Feedback:
Service and equipment grounding
MOST effectively protects machines, tools, and operators against damage from electrical current.
Electrical burns
are the most common shock-related, nonfatal injury. They occur when a worker contacts energized electrical wiring or equipment. Although electrical burns can occur anywhere on the body, they most often occur on the hands and feet.
What are the two main electrical hazards a qualified electrical worker looks out for?
OSHA defines qualified workers as those specially trained to work on live electrical equipment. Qualified workers must protect themselves against all electrical hazards including
shock, arc flash, burns and explosions
. Training is key.
Which promotes the safe use of electrical equipment in the workplace?
For electrical safety in the workplace, OSHA relies on expert consensus bodies such as
the National Fire Protection Association (NFPA)
and its standards published in NFPA 70E.
What are the 3 hazards of electricity?
- Shock: A response to electric current passing through the body.
- Arc Flash/Blast: Emits heat and intense light that causes burns.
- Fire: Occurs with faulty outlets, old wiring, cords, and switches.
- Explosions: When electricity ignites explosive material in the air.
What PPE does an electrician need?
- Electrical safety gloves. Puncture wounds can be a common injury to electricians, particularly when working in ducting with sharp edges, so hand protection is vital. …
- Safety trainers. Safety trainers are a good alternative to steel capped boots. …
- Bump caps. …
- Eye protection. …
- Dust masks.
What are all electrical hazards?
As a result, electrical current can easily travel through it. There are three main types of electrical hazards:
electric shock, electrical burns, and arc blasts (the effect of blasts)
. Understanding the basics of these hazards is critical in enforcing electrical safety in the workplace.
What are 3 things to avoid when working around an electrical hazard?
- Avoid water at all times when working with electricity. …
- Never use equipment with frayed cords, damaged insulation or broken plugs.
- If you are working on any receptacle at your home then always turn off the mains. …
- Always use insulated tools while working.
What are the two major hazards of electricity?
The main hazards with electricity are:
contact with live parts causing shock and burns
.
faults which could cause fires
; fire or explosion where electricity could be the source of ignition in a potentially flammable or explosive atmosphere, e.g. in a spray paint booth.
What are the five safety rules?
-
Rule
1: Always Keep The Doors Locked. -
Rule
2: Always Keep The Doors Closed. -
Rule
3: Keep Medicine In
Safe
Cabinets. -
Rule
4: Keep The Floor Dry At All Times. -
Rule 5
: Always Have An Emergency Plan. -
Rule
6: Ensure That Alarm Systems Are Working.
What are 5 electrical safety tips?
- Always Cut the Power. …
- Have the Appropriate Fire Extinguisher on Hand. …
- Use More Than One Outlet. …
- Feel Your Outlets. …
- Child-Proof Your Outlets. …
- Investigate Flickering Lights. …
- Install Arc-Fault Circuit-Interrupters. …
- Don’t Use Extension Cords Long-Term.
How do you identify electrical hazards?
- Faulty or Damaged Wiring. …
- Overloading Circuits. …
- Use of Extension Cords. …
- Water Spill on Electrical Devices. …
- Improper Grounding. …
- Incorrectly placed Electrical Cords. …
- Loose Fitting Plugs.
How do you handle electrical equipment?
To follow electrical safety rules,
keep electrical equipment dry and away from water
prevents damage to appliances and can protect against personal injury and electrocution. When working with electrical appliances, it’s important to have dry hands.
What are the precautions to be taken while using electricity?
- 2-Never use equipment with frayed cords, damaged insulation or broken plugs.
- 3-Know the wire code of your country.
- 4-Never use an aluminium or steel ladder if you are working on any receptacle at height in your home. …
- 5-Avoid water at all times when working with electricity.
How do you manage electrical hazards?
Be safe when working with electricity. Use correctly rated cords and equipment,
correct size fuses
, and know where breakers are located in case of an emergency. Make it a habit to inspect tools, power cords, and electrical fittings for damage or wear and tear prior to use.
