Term Paper on "OSHA Electrical Safety"

Term Paper 6 pages (2245 words) Sources: 4

[EXCERPT] . . . .

OSHA Electrical Safety

Occupational Safety & Health Administration -- OSHA electrical safety standards have been formulated to safeguard workers from risks of electrocution, electrical fires and other explosions related to electrical equipments. Implementations of these safeguards have been done as any fault due to electrical causes can pose a serious hazard to a workplace. Electrical safety hazards are delineated in appropriate OSHA electrical safety standards for the general industry as a whole and also specific industry like shipyard and marine terminals. The OSHA regulatory guidelines are contained in the OSHA standards. The Regulatory Agenda containing the details of actions that are taken as regards OSHA standards, Federal Registers with its rules, proposed rules and notices, directives for Compliance Officers, standard interpretations and the national consensus standards linked to hazards related to electricity and electrical equipments. (Electricity Forum, 2012)

The electrical safety standards promulgated by OSHA are intended for industrial, commercial and institutional electricians, mechanics and electrical engineers who are required to be adequately trained in very part of safety, maintenance, and functional methods so as to perform their assigned duties in a proper manner on high-tech electrical gadgets and systems of the current era. The OSHA 2 CFR 1910.331-335 stipulates safety related work practices for professional and non-professional workers. These regulations include the scope, substance and needs for training and outline qualified and unqualified employees. Work practices related to safety practices adopted cover having knowledge and recognising energized and de-energized components, lockout and tagging and minimum distances from where equipments can be approached. (Electricity Forum, 2012)

Electrical Injury Causes:

OSHA has discovered that the most recurrent reasons behind electrical injuries are (i) coming in close contact with power lines (ii) not de-energising electrical circuits and equipments prior to working on them (iii) absence of ground-fault protection (iv) the path to grounding is absent or it is discontinuous (v) the equipment is used otherwise than what is stipulated in the OSH guidelines (vi) faulty use of extension and flexible cords. As per the OSH standards employers should not allow an employee to work in areas that are near energised electrical conductors or circuit components carrying electricity at 50 volts or higher. Also the employer should not allow an employee to discharge his duties in conditions in which electrical hazards might be there. (American Pipeline Contractors Association, n. d.)

Authorised workers during installation of electric equipment should adopt safety standards and minimum prescribed distances must be adhered to. Besides, equipments or circuits that have been de-energised should be made non-operational. These non-operational items should have tags affixed to them at all points in which such equipment or circuits can be energised. Special safety measures must be undertaken while working on overhead lines. One should never touch a conductor lying on the ground even though it might not be emitting sparks or producing a humming sound as touching could be deadly. (American Pipeline Contractors Association, n. d.)

Policy Guidelines of OSHA for Electrical Safety:

OSHA's Electrical Standard contained in 29 CFR 1910. 331 through 335 relate to electrical related work practices covering inspection procedures and interpretive guidelines. The standard for Electrical Safety-Related Work Practices was formed on August 6, 1990 and became operational since Dec 4, 1990. The present electrical standards contained in Subparts of the General Industry Standards include electrical equipments instead of work practices. New rules have been framed that addresses practice and methods required for safeguarding employees working on or in close proximity to energised and de-energised components of electric OSHA Instruction STD 1-16 dated 1.7.1991. (United States Department of Labor, 2012)

The amended rule also sets out uniformity and lowers redundancy among the general industry standards. The amended regulation is based more on the NFPA 70E Part II. During Sept, 1989, OSHA established an overall standard governing the control of hazardous energy, i.e. 29 CFR 1910.147. The standard deals with practices and methods which are essential in order to de-energize machinery or electrical apparatus and to check the release of potentially dangerous energy at the time of undertaking of maintenance and servicing activities. (United States Department of Labor, 2012)

As regards the inspection guidelines are concerned, the Compliance Officer shall integrate inspection processes for this standard along with those contained in 29 CFR 1910.147. (i) Every employee who encounter a risk of electric shock, burns or other related injuries, not reduced to a secure level by the safety needs of Subpart S, should be trained in safety-related work practices needed by 29 CFR 1910.331-335. (ii) Apart from being trained in and conversant with safety related work practices, untrained employees should be imparted training in the innate dangers associated with electricity i.e. high voltages, electric current, grounding, arcing and absence of guarding. Besides, any electrically associated safety practices which are not separately dealt in by Sections 1910.331 through 1910.335, but required for safety in specific workplace conditions must be included. (United States Department of Labor, 2012)

(iii) the training of professional employees should cover at least (a) the capability of telling apart exposed live components from other components of electric equipment (b) the skill to find out the nominal voltage of components that are live (c) the idea regarding clearance and approach distances stated in 1910.333(c) (iv) While making inspections by walking around, it will be the Compliance Officers who will evaluate any electrical-related work being done to locate conformance with the employer's written processes as needed by 1910.333(b) (2)(i) and the complete safety-linked work practices enshrined in Sections 1910.333 through 1910.335. (v)Most importantly, any violations detected should be recorded properly including the real voltage level. (United States Department of Labor, 2012)

Electric Safety Hazards Outlined in OSHA:

OSHA standards include a lot of electrical hazards across different industries. OSHA's electrical safety standards covering general industry are released in "Title 29 Code of Federal Regulations -- CFR Part 1910.302 through 1910.308- i.e. Design Safety Standards for Electrical Systems and also 1910.331 through 1910.335 -- Electrical Safety Related Work Practices Standards. Electrical Standards of OSHA are based in the National Fire Protection Association Standards NFPA 70, National Electric Code and NFPA 70E, Electrical Safety Requirements for Employee Workplaces." (Chao; Henshaw, 2002)

Besides, OSHA has electrical safety standards for the construction industry as well contained in 29 CFR 1926, Subpart K. The standards specified by OSHA aims at the design and application of electrical equipment and systems. The standards include just the exposed or functional elements of an electrical installation like lighting, equipment, motors, machines, appliances, switches, controls and enclosures, needing that they should be built and installed so that the workplace electrical hazards are minimised. This apart, the standards mandate that some recognised testing organizations undertake tests and approve electrical equipment prior to using the same in the workplace in order to guarantee that it is safe. Guarding is another procedure helping in prevention of electrical hazard. Guarding entails finding out or enfolding electrical equipment and ensuing that people are prevented from accidentally coming in contact with its live components. Efficient guarding needs equipment having exposed components functioning at 50 volts or higher to be kept wherein it is accessible just to people who are qualified to work with the same. (Chao; Henshaw, 2002)

The ideal locations are room, vault, gallery or a raised structure like a platform. It can also be a site having an elevation of 8 feet or more from the floor level. Besides, strong permanent screens can also be used an effective guards. Areas having hazardous electrical installations must contain conspicuous signs posted at the entrance points of electrical rooms and other guarded locations of similar nature so as to caution people to the electrical hazard and to prohibit entry of unauthorised persons. Accidents caused due to electricity are usually preventable through adoption of safe work practices administered by OSHA. Instances of these practices cover: (i) de-energising electric equipment prior to inspection or repair. (ii) proper maintenance of electric tools and equipments (iii) to be vigilant while working near energised lines (iv) use of appropriate protective equipment. (Chao; Henshaw, 2002)

General Items of Electrical Safety:

A lot of safety measures need to be adopted as working with electricity can be hazardous. Electrical engineers, linesmen, electricians and other people work with electricity directly which puts them at increased risk of exposure of electrical hazards.

Electrical safety and appropriate caution need to be taken for working with the following: (i) Generators: It is one of the routine tools used following disruption of power. However, caution needs to be exercised while using them as generators use gasoline as fuel through internal combustion to produce electricity. During running of a generator carbon monoxide is released that can reduce oxygen utilising ability of humans causing severe health hazards and can prove fatal also. A lot of safety measures need to be adopted while using generators like (i) never bringing a generator indoors and ensuring that it is placed outdoors where the exhaust gases are not able to enter a home or building. (ii) Ensuring that the primary circuit breaker is in OFF… READ MORE

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