Electrical Safety Participant Guide This training curriculum is primarily designed for workers without any formal training on electricity, although electricians may also benefit from a review. After viewing this program, electrical workers and supervisors will have an understanding of those responsibilities and be convinced that always following electrical safe work practices and procedures is the only way for electrical workers to stay safe.
It does not include every change made, and much of the language is paraphrased due to space limitations. Since the NFPA Standards Council has not formally approved the final document, there is always the possibility of additional changes. Therefore, always refer to the final approved version when it is published. Kentucky DMS Electrical Safety Alert This alert is a result of the occurrence of three electrical incidents, each with the potential of having resulted in fatal injuries. Close Call Electrical Incident Photos of a close call electrical incident.
See video. Train-the-Trainers Guide to Electrical Safety For General Industry This publication is designed to provide accurate and authoritative information about electrical hazards in the general industry workplace. It is provided with the understanding that the publisher is not engaged in rendering legal, accounting or other professional services. Electrical Hazard Awareness Study Guide Given information regarding electrical safety, various examples, and realistic work scenarios, the student shall be able to identify and describe electrical hazards and precautions that should be taken to avoid injury in the workplace.
Since the contact was with one phase, the actual contact voltage to ground was 7. When a Project Safety Representative PSR observed the occurrence, and saw sparks emanating from under the excavator at the time it made contact with the 7.
The PSR stepped out of his truck and moved toward the excavator. Fortunately the excavator driver had backed his equipment away from the power line prior to the PSR arrival. Near Miss: Electrical Hazard Alert From the Virginia DMME: On July 20, , a contractor employee was completing repairs in a metal enclosure when he slung a welding lead over his shoulder in order to gather slack in the cable.
As he pulled on the cable, a bare spot in the lead came into contact with his unprotected, sweaty skin at the base of his neck and gave him an electric shock. Contact Us. Find Us On Facebook. Electrical grounding provides an alternate path for electricity to follow, rather than going through a person. Equipment with a grounding prong must be plugged into an extension cord with a ground; the grounding plug should not be removed from the equipment.
The GFCI ensures that any electrical shock is brief. When servicing and maintenance tasks involve electricity and electrical equipment, you must prevent the unexpected startup of equipment.
All injuries and near-misses, including those potentially caused by electricity or electrical equipment, must be reported using the Online Accident Reporting System OARS. An arc flash also called a flashover , which is distinctly different from the arc blast, is part of an arc fault, a type of electrical explosion or discharge that results from a low-impedance connection through air to ground or another voltage phase in an electrical system.
In electrical engineering, ground or earth is the reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the Earth. Surge suppressor with overcurrent protection.
Shock Electrical shock happens when current passes through the body. What you need to know Electrical safety basics Don't work with exposed conductors carrying 50 volts or more. Make sure electrical equipment is properly connected, grounded and in good working order. Extension cords may not be used as permanent wiring and should be removed after temporary use for an activity or event.
Surge suppressors with built-in circuit breakers may be used long-term and are available with three, six and 15 foot-long cords. High amperage equipment such as space heaters, portable air conditioners and other equipment must be plugged directly into permanent wall receptacles. Wet environments can increase the risk of an electrical shock.
Housekeeping and maintenance Maintain at least 30 inches of clearance in front of electrical panels to ensure a safe environment for facilities workers. Make sure that all junction boxes are covered. What you can do to stay safe Avoid activities that require training Working with exposed conductors carrying 50 volts or more Making repairs or alterations to any electrical equipment Opening up the case, or removing barrier guards, of any equipment that utilizes electricity Using any tools or a meter to measure for the presence of electricity Reseting a tripped circuit breaker, or replace a blown fuse Ask a qualified person to perform these tasks.
Grounding To prevent electrical hazards, always make sure equipment is properly grounded. Glossary Arc flash An arc flash also called a flashover , which is distinctly different from the arc blast, is part of an arc fault, a type of electrical explosion or discharge that results from a low-impedance connection through air to ground or another voltage phase in an electrical system.
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