1. Importance of lightning protectionThe probability of cable failure in North America is the highest in a few months in summer. Research shows that lightning impulse will shorten the service life of cables. Temperature and rainfall will also reach the highest value during this period. These factors
Distributed photovoltaic power generation refers to the photovoltaic power generation facilities built near the user site, which are characterized by self-use on the user side, Internet access of excess power, and balance adjustment in the distribution system. It is a new power generation and energy
There are single core and multi-core wire and cable points, there will be users who do not understand the question, 3+2 core and 4+1 core, looking at 5 core, there is no difference between the two in the end? This section describes the meanings and differences of 3+2 and 4+1 cores for wires and cabl
Some electrical designers are not clear about the concept of flame-retardant cable and fire-resistant cable, and do not have a good understanding of the structure and characteristics of the two, so that they cannot correctly design and select these two kinds of cable according to the power supply re
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