When current flows within a wire, a magnetic field is created. The potion of this magnetic field perpendicular to the wire is called the magnetic flux...
IEC 61439 'Low-voltage switchgear and controlgear assemblies', specifies standard arrangements of switchboard (call forms of internal separation). The...
If you want to check a circuit is dead (not live), you should always use the three point method. First check a known live circuit, then check the dead...
Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...
Problems on achieving maximum voltage drop within an installation come up often. Depending where you live, local regulations will have different limits...
This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.
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Fire resistant and fire retardant cable sheaths are design to resist combustion and limit the propagation of flames. Low smokes cables have a sheath designed...
Per unit fault calculations is a method whereby system impedances and quantities are normalised across different voltage levels to a common base. By removing...
When sizing cables nearly, everyone uses some form of software. This ranges from homespun spreadsheets to complex network analyses software. Each has its...
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