Working With electricity

STAY PROTECTED WHEN WORKING WITH ELECTRICITY


Published 5:58 PM, August 25, 2016

We work with electricity everyday of our lives, with almost everything that we touch. Many of us have overlooked what precautions we have to take when working with this source of energy because even with such familiarity and knowledge, we should always prioritize safety first. Basic precautionary measures, protective gears and tools are made available for people who work closely with electricity. These items protect the workers physically and prevent injuries from happening in case of an accident. Get to know about some of the protection you can get to ensure safety in the workplace.

 Insulation

These are plastic or rubber coverings that do not conduct electricity and prevents live wires from coming in contact with people. They protect the person or people at work, from possible electrical shock while working with active wires.

Grounding

A secondary protective measure also known as ‘earthing system’ which connects parts of the electric circuit to the ground. The main reasons why some people opt for grounding is for,: 1. fault protection, 2. lightning protection, and 3. signal reference. The ground conductor system is only intended to carry unwanted and fault currents for protection.

Guarding

Mega structures need an enormous amount of electricity to meet daily work goals, and to ensure electrical safety to the employees, guarding is used to close off live electrical parts in a separate area of operations with control boxes, screens, covers and partitions. Live parts of electric equipments operating at 50 volts or must be guarded to avoid accidental contact.

 Ground Fault Circuit Interruptors (GFCI)

The GFCI is a fast-acting circuit breaker designed to shut off electric power in the event of a ground-fault within as little as 1/40 of a second. When a ground fault circuit interruptor fails, the switching contacts remain closed while the device continues to provide power without protection. It protects against the most common form of electrical shock hazard, the ground-fault. It also protects against fires, overheating, and destruction of wire insulation.

Fuses and Circuit Breakers

One of the most basic precautionary devices designed to protect conductors and equipments from overheating that might create hazards for operators from possible fire outbreaks in the work area. However, these two have very different ways to do their job. A fuse is made up of metal that melts when it overheats, while a circuit breaker has an internal mechanism designed to break electrical currents when they reach unsafe levels.

Personal Protective Equipments (PPEs)

To prevent serious injuries, personal protective equipments or PPEs in short, are designed to lessen hazard exposure of the body to accidents in the work area. Different protective gears and equipments are available for head to toe protection needed when working with dangerous wirings. These gears include: • Head Protection, like the different types and colors of hard hats (insulated and nonconductive). They should always be worn with the bill facing forward. Hard hats with shields are best to fully protect the face, especially when working in close contact with electrical devices.

  • Eyes and Face Protection, like safety spectacles, laser safety goggles, and welding face shields. These have to be worn whenever there are possible dangers to the eyes or face from electric arcs, flashes, or sparks.
  • Hearing Protection, like single–use earplugs, pre–formed or molded earplugs, and earmuffs. These reduce the exposure and the amount of noise that gets through the ears and lessens the possibility of ruptured eardrums.
  • Hand and Arm Protection, like rubber insulating gloves. This type of gloves provides protection against abrasions or cuts and direct contact with electrical sparks.
  • Foot Protection, like special purpose and poundry shoes. They have to be marked “EH” to pass as approved for usage and must be kept dry at all times.

Work Practice

It’s a hard fact that knowledge is power. When working with electrical devices, prepare a checklist that you and your team must do routinely to ensure safety. Basic safety checklist include, and are not limited to,:  Lock out and tag circuits and equipment  Keep area clean and dry  Check and use proper wiring and connections  Maintain and keep tool properly  Use appropriate and undamaged PPEs

Give your old drawers and cabinets an upgrade by replacing them with soft close hinges and glides. These upgraded mechanisms allow you to shut the doors and drawers with one calm push without the occasional bang from slamming them close. The kitchen is not just where you prepare meals anymore, it is a command center and where the family spends most of their time together. Upgrading the room’s look and functionality not only changes the feel of the home in general, but as well as its other purpose to be a space where people can come together and bond comfortably.

EVERYTHING YOU NEED TO KNOW: ELECTRICAL HAZARDS


Published 5:58 PM, August 25, 2016

Tools and machines are considered hazardous equipment, especially when they are improperly used. One might be lucky if they only get treatable injuries, but worse of all is that this can be fatal once one is exposed to too much amount of electric power. Like any other accidents, electrical mishaps are preventable as long as safety measures are followed accordingly. Early hazard recognition is the first and most important step to the list of necessary preventive measures in avoiding complications when working with electricity. Be cautious and educate yourself with the list provided of some precautionary guidelines, as well as the possible effects to the human body when accidents do occur.

Cords and Equipments

Always inspect electrical outlets for plugged but unused equipments. This may lead to tripping accidents that cause injuries. If cords need to be temporarily set out across the room, make sure to prioritize safety first by properly setting up the cord/s with its necessary covering.

Exposed Wiring

For utmost precaution, assume that all exposed wiring are energized until tested otherwise. Avoid daisy chains or otherwise known as octopus wiring which is dangerous when the total current that passes through the wires exceeds the indicated rating it can carry. Improper use of such could lead to overloaded circuit currents and eventually to fire break outs.

Electrical Shocks

After an accident, different levels of injuries are identified depending on the severity of the situation like the path of current through the body, the amount of current flowing through, and the length of time the body was exposed; as presented:

  • •1 milliamp: faint tingle
  • •2 milliamps: slight shock; most people can still let go of conductor
    • •6-30 milliamps: painful shock while losing muscular control; may not be possible for victim to let go of the conductor.
    • •5-150 milliamps: extremely painful shock with respiratory arrest and severe muscle contractions; death is possible.
    • •1000 - 4300 milliamps: causes arrhythmic heart pumping action, muscle contractions and nerve damage; death is likely.
    • •10 000 + milliamps: causes cardiac arrest and severe burns; death is probable.

Other injuries from low voltage injuries such as internal bleeding and destruction of tissues, nerves and muscles does not mean low hazards. For the latter, injuries may depend not only on the current experienced by the body, but also on the length of time the contact happened.

 Electrical Burns

This type of injury is the most common shock-related hazards that falls under the nonfatal category, but with the same need of urgency to be treated once it occurred. This can exclusively cause surface damage, but more often, the tissues deeper underneath the skin have been severely damaged. As a result, electrical burns are difficult to accurately diagnose, and many people underestimate the severity of their burn. Careful first-aid

Falling

A common indirect electrical hazard as a result of the shock received by the victim during the occurrence of the accident. Workers in elevated locations who experience a shock may fall involuntarily leading to serious injury or even death.



Perhaps due to familiarity to the usage of electricity we often disregard some precautionary measures that we should actually keep practicing. Much of our day – to – day activities in this modern era are reliable to electricity and we should always keep in mind that despite being familiar with using it, we should always prioritize safety first.

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