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There are a lot of differences in the commercial and residential electrical wiring system, in terms of grade and quality of devices, pattern and the way wires run through the walls. Mostly, there is no conduit used in the latter one while the commercial systems always have it. Houses have single-phase power while commercial sites is generally three-phase. Some other differences are:

Conduit:

Wiring in house constructions are made to run through areas which are inaccessible such as crawl spaces, attics and interiors. Because of this, the chances of damage to wiring are less. On the other hand, those in offices and business sights are mostly in exposed areas. That is why; they are protected with conduit, in order to prevent it from external damage.

Type and size of wires

Although the size of wires in lighting, outlets and motors are same in both the cases, however, the type of wires would vary. In business sites, it is usually thermoplastic, heat-resistant and nylon coated. In these buildings, some special types of wiring are used in certain areas where it may get exposed to liquids, gases and some volatile substances. Because of such differences, commercial electrical services also vary greatly from its counterpart.

Three-phase and single phase

Buildings in living areas generally use single-phase power, which consists of two 120-volt legs with a neutral wire. On the other hand, commercial sites mostly make use of three-phase power from the companies, comprising two 120-voltage legs, neutral wire and 208-volt wild leg. This helps the motors in these sites to be able to run more efficiently and smoothly.

Heavy duty devices

In some buildings such as that of a hospital, there will be a need to install high grade outlets in order to supply power to sensitive medical equipments. Therefore, devices in such locations are more durable with an ability to work in a temperature range wider than that in residential sites. These sites have devices which are resistant to chemical hazards and corrosion. Majority of commercial devices are graded as heavy duty and are highly impact resistant to ensure longevity because of heavy commercial applications.

Above-mentioned are some of the major factors that different these two types of electrical systems. Because of so many differences, the processional help in case of some technical trouble or fault will also be different. However, expert help for both the categories are easily available in the market.

In case of technical issues related to the electricity and wiring system, there is a need to call professional commercial electrical services for troubleshooting the problems.

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