I have rarely come across a piece of equipment on a job site that mimics the sparkling look of a showroom model. Its use and abuse in the field does more than take away its appearance. Equipment and tools wear and can break down. It is expected.
Regarding safety in fiber optic installations, the first thing that comes to mind is usually eye damage from laser light in the fiber. People imagine a laser burning holes in metal or perhaps burning off warts.
Whenever energized electrical equipment is being examined, serviced, maintained or adjusted in any way, there is always the potential for an electrical explosion to occur, resulting in injury to the electrical worker and damage to the equipment.
About one-half of all electrical injuries and fatalities happen to people engaged in construction activities. (This information is from the Federal Register, “Rules and Regulations.” Vol. 55, No. 151, Monday, August 6, 1990, p 31986.
Recent events require some further precautions to be taken when preparing an estimate. Safety has always been a concern that contractors have had to cover as far as a cost basis, productivity and worker morale.
A typical method of selecting personal protective equipment (PPE) is to use what has always been provided, such as hard hats, safety shoes and glasses, and hearing protection (if in a loud area). For power line work, rubber-insulating gloves can be added to this list.
Electrical contractors are now often required to be familiar with not only the National Electrical Code (NEC), which applies to service installations, and equipment and appliances in occupancies, but also with the National Electrical Safety Code (NESC) provisions, which apply to electrical supply li
According to the latest figures available from the Occupational Safety and Health Association (OSHA), an average of one electrician is involved in a vehicle-related accident at work every day. Transportation-related incidents are the third-leading cause of fatalities in the industry.
Most electrical contracting firms are involved in installing life safety systems for new building construction and the renovation and expansion of existing buildings, but not in the ongoing system inspection, testing, maintenance, and upgrade.
CODE CITATIONS Article 210—Branch Circuits Article 250—Grounding Article 424—Fixed Electric Space Heating Equipment Article 700—Emergency Systems Bonding gas piping Q: The November 2000 issue of Electrical Contractor magazine included a question about the required size of the bonding conductor to be
The hazardous locations covered by Chapter 5 of the National Electrical Code (NEC) are classified in accordance with the properties of flammable liquids, gases, vapors, combustible dust, or ignitable fibers or flyings that may be present in the area where electrical equipment may be installed.
Electrical workers have distinguished themselves as a highly skilled and professional group. The tasks they are called upon to perform and the level of training required for proficiency demand this recognition.
In 1975, I examined an electric clothes press on the premises of a laundry in Maryland that was patronized by the public for general clothes washing, cleaning, and pressing. A customer had been shocked while using the press.
Noise is a common problem in construction. But until now, it has not received the attention it de-serves. Most electrical contractors might even dismiss this hazard as nonexistent unless they were working in particularly noisy environments.
A worker was injured when he tripped after stepping onto an electrical junction box. This junction box, together with electrical conduits, had been installed on a floor surface adjacent to a newspaper bundle conveyor at the loading ramp of a large daily newspaper publisher.
An apprentice lineman was electrocuted in New Jersey when the 45-foot-long pole he was grasping adjacent to a substation contacted an overhead transmission line. This event was attributable to an unusual number of departures from normal, safe construction practice.