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| Electrical, Construction and Mechanicals by Anthony Tori.|
Circuit Breakers, Spike and Surge protection, GFI receptacle (Ground Fault Interrupter), GFI Circuits, Grounding Rods, Surge Protection Equipment, UPS Systems (Un-interruptible Power Supply),
Water-Pipe Grounding and the Arc-Fault Electrical Code.
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The National Electrical Code, bolt-on breakers, high voltage circuit breaker, GFI receptacles,
grounding rods and cold water pipe grounding. Electrical safety inspections main lug panel, cadmium connectors, MC wire, SER cable, SEU cable, twist-lock Philadelphia, PA, receptacle charts, wiring diagrams, install,
receptacles, grounding rods, Commercial, Industrial, cadmium connectors, MC wire, SER cable, SEU cable, twist-lock, grounding, We are installers. The National Electrical Manufacturers Association, NEMA, breakers, molded case.
Spike / Surge Protectors An electrical device
that provides protection for the electrical items within a property can the called a " spike or surge protector". It's commonly used to protect computers and other sensitive equipment from surges that can occur in the
wiring. Although the wiring in your property can handle many variations of voltage, any item that has electronic components inside it can not. Electrical surges can occur from a number of sources, namely: lightning, problems in
the utility company lines, and the basic surges that occur normally in any property (refrigerators, air conditioners, etc.). A spike is a brief increase in the voltage intensity and a surge is an increase that endures a bit
longer than a spike. In either case, the voltage increases generally endures for less then a second. Surge protectors can prevent many of the problems resulting from spikes and surges. There is a huge variety of Surge Protection Equipment
available for a variety of purposes. UPS Systems (" Un-interruptible Power Supply") are the best protection for a computer or computer networking system. They not only provide the best spike and surge protection, they keep a
constant operating power supply during
a black out.
GFI Receptacles An electrical device that
provides protection for you, can be called a "GFI Receptacle" (Ground Fault Interrupter). You've been seeing them everywhere lately because of the safety they provide. Because electrical grounding is very important, these devices
provide safety without it. GFI Receptacles always have a test and reset button. Although they are meant for standard use, they are required by code for areas that may be hazardous. They
should always be found in locations where one could come in contact with water such as: bathroom, kitchen, outside, basement, etc. This is because they are meant to shut down immediately before you can get an electric shock from the item
plugged in. Press your test button to be sure!
Grounding Rods Grounding the main
electric service of any property is extremely important, and it’s considered top priority by electrical inspectors. The ground rod is an electrical connection to earth. It’s the part directly in contact with the
earth (earth electrode) and can be as simple as a metal (usually copper) rod or stake driven into the earth, or it can be a complex system of buried rods and wires. Although the
incoming service from the utility company has a ground, the ground rod serves as a backup. This means your ground rod should never be in use under normal conditions. It is strictly a fail safe measure protecting your
property and you. All the pipes within the property should be connected together (otherwise called bonding) with a common bonding cable to the main electric service and the ground rod. No property is exempt from this, not even trailers.
Swimming pool equipment is bonded double for the additional hazards of combining electrical power, water, fencing and earth. It also gives protection from
other sources such as lightning.
An Arc Fault Circuit Interrupter (AFCI) is a circuit breaker designed to prevent fires by detecting an unwanted electrical arc and to disconnect the power before the arc starts a fire. An arc fault is a high power discharge of electricity
between two or more conductors. The arc faults of our concern occur in major electrical distribution systems. While a low power arc of a few amps may initiate an arc fault, a true arc fault will rapidly increase in current up to several hundred
amps or even thousands of amps. An electrical switchboard seven feet high, three feet wide, four feet deep, containing several hundred pounds of metal conductors and supports can, in a few seconds, be reduced to an empty shell. An Arc Fault Detection (AFD)
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|Lightning Protection Systems and Equipment|
Surge suppressors should be installed with minimum lead lengths to their respective panels.
Under fast rise time conditions, cable inductance becomes important and high transient voltages can be developed across long leads.
In all instances, use high quality, high speed, self-diagnosing protective components. Transient limiting devices may use a combination
of arc gap diverters-metal oxide varistor-silicon avalanche diode technologies. Hybrid devices, using a combination of these technologies,
are preferred. Know your clamping voltage requirements.
Downconductors should be installed in a safe manner through a known route, outside of the structure. They should not be painted, since this
will increase impedance. Gradual bends (min. eight inch radius) should be adopted to avoid flashover problems. Building steel may be used in
place of downconductors where practical as a beneficial part of the earth electrode subsystem. Air terminal design may alter Streamer behavior.
In equivalent e-fields, a blunt pointed rod is seen to behave differently than a sharp pointed rod.
|The Electrical Hazards Check List for any Facility.|
|Extension cords are not to be used as permanent wiring. Extension cords
are meant to serve as a means of temporary power only, and are to be unplugged from wall outlet when not in use.
Extension cords are to be 3-wire type, in good condition with no splices or broken insulation.
Multi-outlet power strips are to be UL listed and have a mini circuit breaker built in to it.
Extension cords and power strips are to be plugged directly into a wall outlet, not into other extension cords or power strips.
Equipment power cords are to be in good condition with no splices or broken insulation.
Wires or extension cords are not to be placed under carpets or rugs, or through doorways, or other traffic areas.
Extension cords are not to be fastened, stapled or tied to any nearby objects
Plugs (male end blades) are to be in good condition with no exposed wires. The ground is not removed from 3-prong plugs.
Wall outlet and junction box covers are to be in place. Missing cover plates from receptacles and switches pose a threat of electrocution.
The area in front of electric circuit panels must be clear (at least 36 inches of open area space).
Timers must have a cover over the "live terminal screws" inside.
Circuit breakers are not to be doubled up, rigged up or overloaded.
Space heaters are the most common cause of over-loaded circuits. Attention should be given to the factory instructional for safe usage.
Lighting fixtures in a suspended ceiling must have a secondary means of support.
Essential Electrical Power, Clean Power Solutions with UPS.
Electrical Protection Inspection Punch List.
Protecting Your Motors - Motor Starters, Philadelphia.
Power Poles, Mid-Floor Wiring in order to eliminate extension cords.
Safety Inspections - Delaware County, PA.
Surge / Spike Suppressers and Electrical Protection Equipment.
Safety Property Equipment - Philadelphia.
GFI Receptacles, Tamper-resistent Receptacles, and Electrical Protection Info.