YBT-YFD60 Lightning Rod Protection Radius(NFC 17-102) | ||||||||||||
category | Class 1 protection | Class 2 protection | Class 3 protection | |||||||||
model | 18 | 31 | 45 | 60 | 18 | 30 | 45 | 60 | 18 | 30 | 45 | 60 |
Height(m) | Protection radius(m) | |||||||||||
2 | 14 | 19 | 25 | 32 | 19 | 25 | 32 | 40 | 22 | 28 | 36 | 44 |
2 | 21 | 28 | 38 | 48 | 29 | 38 | 48 | 59 | 33 | 42 | 57 | 65 |
4 | 28 | 38 | 51 | 64 | 38 | 50 | 65 | 78 | 44 | 57 | 72 | 87 |
5 | 35 | 48 | 63 | 79 | 49 | 63 | 81 | 97 | 55 | 71 | 89 | 107 |
6 | 35 | 48 | 63 | 79 | 49 | 64 | 81 | 97 | 56 | 72 | 90 | 107 |
8 | 36 | 49 | 64 | 79 | 51 | 65 | 82 | 98 | 58 | 73 | 91 | 108 |
10 | 37 | 49 | 64 | 79 | 52 | 66 | 83 | 99 | 60 | 75 | 92 | 109 |
15 | 38 | 50 | 65 | 80 | 55 | 69 | 85 | 101 | 64 | 78 | 95 | 111 |
20 | 38 | 50 | 65 | 80 | 58 | 71 | 86 | 102 | 67 | 81 | 97 | 113 |
45 | 38 | 50 | 65 | 80 | 63 | 75 | 90 | 105 | 77 | 89 | 104 | 119 |
60 | 38 | 50 | 65 | 80 | 63 | 75 | 90 | 105 | 78 | 90 | 105 | 120 |
LIGHTNING ROD CHARACTERISTICS
LIGHTNING ROD INSTALLATION
1.Determine building lightning protection based on the area and height of the protected building,the number oflightning days in the location, the geographical environment correction coefficient, the nature ofthe building's use,etc.
2.The down conductors (down conductors) should be electrically connected to the main steel bars of the building,or two or more down conductors (down conductors) should be made as required.
3.The down conductor (down conductor) should be disconnected and insulated on the ground nearby.
4.The grounding body, grounding resistance, and lightning protection ground network should be implemented in accordance with the lightning protection standard GB50057-2010.