Colors and designation of wires In order to find phase, neutral and ground without instruments
Fluorescent and other types of economical light sources often fail before the time stated by the manufacturer
Automatic systems for protecting electrical circuits, which replaced fuses, are widely used not only
Verification: test or measurement? As a first step, it is useful to clarify the difference between the two types of verification,
What is battery memory effect? Battery memory effect is a significant loss of battery capacity,
Purpose, scope of application, marking VVG power wire is applicable for installation of power supply lines, both with
Regulatory documents Figure 12 1 Dots connected by a dashed line to a connector indicate connections to
LED strip is a truly universal lighting source. However, most of us just stick it on
History of development Solar batteries began their development back in the 19th century. The prerequisite for this
Design and design features The main design element is a semiconductor. This is a silicon crystal wafer or