Overview Horizontal cable is installed between the telecommunications closet and the work area outlets for workstations. It supports many different kinds of information for its users: Voice communications Data communications Other building information systems (such as CATV, IPCCTV) Pulling horizontal cabling is one of the most important jobs of a …

Read More »## Medium-Voltage Switchgear Type NXPLUS C Wind Features & Requirements

Siemens Fixed-Mounted Circuit-Breaker Switchgear Type NXPLUS C Wind up to 36 kV, Gas-Insulated. Environmental independence Hermetically tight, welded switchgear vessels made of stainless steel as well as single-pole solid insulation make the parts of the primary circuit under high voltage of NXPLUS C Wind switchgear Insensitive to certain aggressive ambient conditions, …

Read More »## Standard Checks & Tests for MDB, SMDB, DB & Motor Control Center

As a standard practice installer or contractor shall arrange for the witnessing of the following tests on the fully equipped switchboards (main, submain distribution boards and Motor Control Centers MCC) including primary bus bars and connections at the factory, in accordance with IEC 439-1: High voltage power frequency tests on …

Read More »## Steam Boiler Diagram With Parts for Dummy’s

Below is a typical steam boiler diagram for dummy’s to understand with name of each component or boiler part. First of all you should understand that there are many types and nomenclature of boilers. For example steam boiler, combi boiler, vaillant boiler, hot water boiler, gas boiler, electric boiler, weil mclain boiler, condensing boiler, oil boiler, burnham boilers, central boiler, lochinvar …

Read More »## Hex to Decimal Conversion Simplified

Converting a hex to decimal is not difficult if you thoroughly understand what is mentioned on this page. The process of converting any hexadecimal number to its decimal or binary equivalent is a tricky one. If you are able to establish some rules you are lucky. But this is only …

Read More »## BCD – Decimal to Binary & Binary to Decimal Conversion Methods

What is decimal number system? The decimal number system has base 10. It uses the digits 0 to 9. What is number system? It is a system for representing numeric values or quantities using different symbols i.e. digits. What does base or radix mean? The number of digits (symbols) a number system …

Read More »## Cable Sizing & Voltage Drop Calculations Formula

Cable sizing is done based on three parameters: Load current, Short circuit current carrying capacity, Voltage drop. Below are given simple steps for performing cable sizing calculations. Step 1 – Calculate Load Current: Calculate the load current from the load data available. Formula is: I=Load (in kW)/(sqrt(3)V(in kV)p.f) (A) The …

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