Electrical Wiring Systems In Commercial Buildings

Electrical wiring is an electrical installation of cabling and associated devices such as switches distribution boards sockets and light fittings in a structure.
Electrical wiring systems in commercial buildings. Selection and erection of electrical equipment. In today electrical wiring installation tutorial we will show how to wire a single phase consumer unit installation in a single storey building from utility pole to a 1 phase energy meter 1 phase distribution board and then how to connect single phase loads in single phase wiring distribution system in home electric supply system. Methods of electrical wiring systems w r t taking connection. The electrical wiring must be installed correctly and safely in accordance with electrical regulations and standards.
Also known as bx this type of electrical wire dates back to the early 1900s but it s still in use today. Wiring systems this part 520 of the standards of the din vde 0100 vde 0100 series outlines the selection and erection of wiring systems. We will discuss the general principles for how electricity is moved from the utility lines to a convenience outlet in a room. Ac wiring is designed with flexible metallic sheathing.
Overloading low amp wiring. This provides extra protection for the conductors inside. Similar to nm cables ac isn t permitted for use in commercial buildings or residential constructions exceeding three. Allowable wire and cable types and sizes are specified according to the circuit operating voltage and electric current capability with further restrictions on the.
The system components vary depending on the size of the building so we will address systems for small and large buildings. Wiring is subject to safety standards for design and installation. Construction construction electrical systems. Low voltage electrical installations part 5.
If the electrical wiring is carried incorrectly or without confirming to any standard devices could damage or leads to the malfunctioning of device which further causes for the reduction of device life. The transformer reduces the standard line potential to two dual voltage systems which then pass through master switches and electric meters to record the subscriber s usage. Electrical systems in these buildings begin at a step down transformer provided by the utility company and located within or very close to the building. Larger electric loads from industrial machinery to it infrastructure to advanced security systems to heavy duty hvac equipment and lighting businesses across industries generally require more electricity than residential dwellings.
This article covers electrical distribution systems in buildings at a very basic level. Wiring a process of connecting various accessories for distribution of electrical energy from supplier s meter board to home appliances such as lamps fans and other domestic appliances is known as electrical wiring can be done using two methods which are.