How to choose best wiring system for your home

By November 29, 2016Uncategorized

House wiring systems for small residential buildings are mostly simple in concept and the layout as well. The primary components are as follows:

  • Service Entry
  • Panel Board
  • Branch Circuit

The electric current flows away to the electric appliances used by you in the entire house from the power company through your panels, its breakers, out on your circuits and back. There are many paths along this line which could fail or gets disrupted and there are various ways in which the electricity can pass to places which are unwanted.

The buildings which have been quite old and well-built which have been unaltered since that time, are likely to be safe and intact, although it may not provide the capacity for the planned reuse of that building. Electricity capacity can be easily altered, usually increased by setting up an additional load panel between the source entry and the existing panel. The existing circuit scan continues using the existing panel and new circuits could be fed through the brand new panel.

A meticulous and an informed assessment of the electrical system will determine the extent to which it could be re-used. We could get to know of a compatible house wiring system by the consumption of electricity. The meter tallies the amount of electricity consumed by a building in the unit of kilo watt hour (kWh). The other way to determine the existing capacity(in amperes) of the building’s existing main electrical service at the main panel board are as follows:

  • The ampacity of the service entry conductor, which may be determined by noting the markings (if any) on the conductor cable and finding its rated ampacity in the National Electrical Code, Table 310-16, or applicable local code. If the service entry conductor is in conduit, look for markings on the conductor wires as they emerge from the conduit into the panel board. If all conductors are unmarked, have an electrician evaluate them.
  • The ampere rating on the panel board or service disconnect switch, as listed on the manufacturer’s data plate.
  • The ampere rating marked on the main circuit breaker or main building fuse(s). This rating should never be higher than the above two ratings; if it is, the system should not be used until it is evaluated by an electrician.

The building’s service capacity is going to be the lowest of the above three figures.

whole-house-speaker-wiring-diagram_560094Once the service capacity is determined compare it with the estimated capacity the building will require after rehabilitation. Ifthe estimatedampacity exceeds the existing ampacity, the building’s electrical service willneed upgrading. The method for estimating required ampacity is found in the NationalElectrical Code, Article 220.

In the same way, service capacity regarding each branch circuit can be known by checking the markings on each branch circuit conductor. If at all no markings could be found, a plastic wire gauge could be used to measure the size of wire (after disconnecting the power). Find the ampere rating of the conductor, either by using its markings or wire size in the National Electrical Code,Table 310-16, or applicable localcode. The safety standards for the following assessment procedures are generallybased on the requirements of the National Electrical Code.

The maximum amount of electricity that a home can use at one time is dictated by the size of the main breaker. The breaker is a type of switch, set to flip off in case of an overload in the home, reducing the risk of fire or electrocution. Most modern homes will have 200 amp (short for amperage) service, while an older home might only have 100 amp service and a larger home 400 amp service. If you’re curious about your home’s electrical service, open the main breaker panel and look for the largest breaker switch in the panel, usually mounted at the top of the panel. The number on the switch will tell you the total amps of your home’s electric service.While it is possible to install a weather-proof main breaker panel, most main breaker panels are installed inside the home. When the main electric supply line leaves the meter, it enters the home and arrives next at the main breaker panel at the main circuit breaker.

Therefore as we discussed above the electrical wiring system is based upon the amount of current a house requires or based upon its needs and electrical appliances used by it.

By using the information given above we can always find out the capacity in order to know the best suited wiring system for the house.
Also do checkout the best wires and cables for your home by Rallison

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