{"id":2550,"date":"2022-06-28T15:28:50","date_gmt":"2022-06-28T15:28:50","guid":{"rendered":"https:\/\/p69.com.vn\/?p=2550"},"modified":"2022-06-29T02:49:55","modified_gmt":"2022-06-29T02:49:55","slug":"huong-dan-lap-dat-kim-thu-set","status":"publish","type":"post","link":"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/","title":{"rendered":"Instructions for installing Early Streamer Emission according to technical standards from A &#8211; Z"},"content":{"rendered":"<p>When designing straight-line lightning protection using a lightning rod, an early discharge lightning arrester (lead ray) is not only based on theory, the designer needs to take into account the actual geological factors at the construction site to come up with a solution. decisions on the safe and effective installation of lightning protection systems. Here are some shared experiences on how to install air-termination needles according to technical standards, as well as notes when <strong>installing Early Streamer Emission<\/strong>.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_45 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" area-label=\"ez-toc-toggle-icon-1\"><label for=\"item-69d68249aaffe\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-69d68249aaffe\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-visibility-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#Early_Streamer_Emission_ground_structure\" title=\"Early Streamer Emission ground structure\">Early Streamer Emission ground structure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#Early_Streamer_Emission_roles\" title=\"Early Streamer Emission roles\">Early Streamer Emission roles<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#How_to_install_lightning_protection_grounding_system\" title=\"How to install lightning protection grounding system\">How to install lightning protection grounding system<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#Step_1_First_you_must_dig_a_trench_a_hole_or_drill_a_grounding_well\" title=\"Step 1: First, you must dig a trench, a hole or drill a grounding well.\">Step 1: First, you must dig a trench, a hole or drill a grounding well.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#Step_2_Next_is_to_bury_the_electrodes_in_the_ground\" title=\"Step 2: Next is to bury the electrodes in the ground.\">Step 2: Next is to bury the electrodes in the ground.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#Step_3_Instructions_for_installing_the_column_and_the_base_of_the_Early_Streamer_Emission_support\" title=\"Step 3: Instructions for installing the column and the base of the Early Streamer Emission support\">Step 3: Instructions for installing the column and the base of the Early Streamer Emission support<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#Step_4_Installation_instructions_for_lightning_cable_lightning_cable\" title=\"Step 4: Installation instructions for lightning cable (lightning cable)\">Step 4: Installation instructions for lightning cable (lightning cable)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#Step_5_Return_ground_system_ground\" title=\"Step 5: Return ground system ground\">Step 5: Return ground system ground<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#How_to_choose_and_install_lightning_rods\" title=\"How to choose and install lightning rods\">How to choose and install lightning rods<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#What_are_the_notes_to_know_when_installing_lightning_rods\" title=\"What are the notes to know when installing lightning rods?\">What are the notes to know when installing lightning rods?<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#Note_about_the_protection_area_-_choose_a_reasonable_lightning_rod\" title=\"Note about the protection area \u2013 choose a reasonable lightning rod\">Note about the protection area \u2013 choose a reasonable lightning rod<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#Structural_works_related_to_ESE_system\" title=\"Structural works related to ESE system\">Structural works related to ESE system<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#Conductor_used_for_lightning_discharge\" title=\"Conductor used for lightning discharge\">Conductor used for lightning discharge<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#Lightning_protection_grounding_system\" title=\"Lightning protection grounding system\">Lightning protection grounding system<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#Reputable_Early_Streamer_Emission_installation_unit\" title=\"Reputable Early Streamer Emission installation unit\">Reputable Early Streamer Emission installation unit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/p69.com.vn\/en\/huong-dan-lap-dat-kim-thu-set\/#Contact_information_P69_-_M_E_Contractor\" title=\"Contact information P69 \u2013 M&amp;E Contractor\">Contact information P69 \u2013 M&amp;E Contractor<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"ftoc-heading-2\" class=\"ftwp-heading ftwp-heading-target\"><span class=\"ez-toc-section\" id=\"Early_Streamer_Emission_ground_structure\"><\/span>Early Streamer Emission ground structure<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A modern, complete lightning protection system will include:<\/p>\n<ul>\n<li>Active <strong>Early Streamer Emission<\/strong> installed for residential houses (Normal radius &lt; 60m)<\/li>\n<li>Lightning conductor (M50mm2 copper cable, or M70mm2 copper cable with yellow-green fireproof sheath)<\/li>\n<li>Lightning poles (Usually 3-5m high depending on the height and width of the building to be protected<\/li>\n<li>Grounding test cabinet (For annual periodic testing)<\/li>\n<li>Ground rod (Copper or copper-plated steel, size D16 2.4m long)<\/li>\n<li>Thermochemical weld (Or copper grounding clamp)<\/li>\n<li>Complete installation accessories\u00a0(Including all installation accessories, you do not need to buy anything to complete the installation).<\/li>\n<\/ul>\n<figure id=\"attachment_2552\" aria-describedby=\"caption-attachment-2552\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2552 size-full\" title=\"C\u1ea5u t\u1ea1o ti\u1ebfp \u0111\u1ecba kim thu s\u00e9t\u00a0\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/06\/cach-lam-cot-chong-set-10.jpg.png\" alt=\"C\u1ea5u t\u1ea1o ti\u1ebfp \u0111\u1ecba kim thu s\u00e9t\u00a0\" width=\"600\" height=\"350\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/06\/cach-lam-cot-chong-set-10.jpg.png 600w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/06\/cach-lam-cot-chong-set-10.jpg-300x175.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-2552\" class=\"wp-caption-text\"><em>Early Streamer Emission structure<\/em><\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Early_Streamer_Emission_roles\"><\/span><strong>Early Streamer Emission roles<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Lightning protection systems are intended to solve and overcome natural disasters to ensure the safety of people, buildings and constructions as well as most other structures that may be affected by lightning.<\/p>\n<h2 id=\"ftoc-heading-4\" class=\"ftwp-heading\"><span class=\"ez-toc-section\" id=\"How_to_install_lightning_protection_grounding_system\"><\/span>How to install lightning protection grounding system<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The lightning conductor grounding system helps to prevent the lightning&#8217;s energy from directly affecting the structure to be protected. As a result, the project is fully protected. Immediately follow the ways to install the lightning protection grounding system below<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_1_First_you_must_dig_a_trench_a_hole_or_drill_a_grounding_well\"><\/span>Step 1: First, you must dig a trench, a hole or drill a grounding well.<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>First, you need to determine where to install the grounding system. Around the installation area, there may be underground structures, obstacles or water systems, etc. Therefore, it is necessary to carefully check to avoid these works before digging.<\/p>\n<p>Next, you dig a trench with a width of about 30cm &#8211; 50cm, and a depth of about 60cm &#8211; 80cm. Shape and length will follow the design drawing. Or it can also be adjusted according to the actual construction site.<\/p>\n<p>Note, in practice, there will be areas with high soil resistivity or limited construction sites. At this point, you need to apply the good drilling method to ensure safety. Drilling wells with a depth of 20m to 40m are reasonable. The diameter will be from 5cm &#8211; 8cm depending on the depth of the groundwater.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_2_Next_is_to_bury_the_electrodes_in_the_ground\"><\/span>Step 2: Next is to bury the electrodes in the ground.<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>How to drive grounding stakes when installing lightning rods<\/strong><\/li>\n<\/ul>\n<p>Ground rods need to be driven according to the design, at specified places. The distance between the stakes will be twice as long as the length of the stakes driven into the ground. Spacing between piles may be shorter in areas with limited soil system area. However, the distance should not be shorter than the pile length.<\/p>\n<p>Drive the grounding stake deep into the ground. When the top of the pile is 10cm &#8211; 15cm from the bottom of the trench, stop.<\/p>\n<p>Pile the central soil shallower. The top of the pile is from 15cm to 25cm above the ground. So that the top of the pile is inside the pit after installing the earth resistance test pit.<\/p>\n<p>Then it is necessary to connect the piles by spreading bare copper cables along the dug trench.<\/p>\n<ul>\n<li><strong><strong>How to use resistance-reducing chemicals when installing <\/strong><\/strong><strong>Early Streamer Emission<\/strong><\/li>\n<\/ul>\n<p>An equally important step is to pour the earth resistance-reducing chemical. This chemical will absorb moisture. It then forms a glue around the electrode. This helps to reduce the earth&#8217;s resistance by increasing the contact surface between the electrode and the earth, protecting the grounding system. Resistance-reducing chemicals can be poured before piling or along with bare copper cables.<\/p>\n<p>If pouring before piling, at the location of the pile, it is necessary to dig a hole 50cm deep. Diameter from 20cm &#8211; 30cm from the bottom of the trench. Then pour soil resistance-reducing chemicals into these pits.<\/p>\n<p>If drilling a well is carried out, the ground rods are connected directly to the cable, then dropped to the bottom of the well. Sprinkle chemicals to reduce soil resistance into the well, pour water down at the same time so that the chemical settles deep to the bottom of the well.<\/p>\n<p>Heat-welded to bond the piles to bare copper cables.<\/p>\n<figure id=\"attachment_2555\" aria-describedby=\"caption-attachment-2555\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2555 size-full\" title=\"L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng ch\u1ed1ng ti\u1ebfp \u0111\u1ecba kim thu s\u00e9t\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/06\/cach-lap-dat-kim-thu-set-1.jpg\" alt=\"L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng ch\u1ed1ng ti\u1ebfp \u0111\u1ecba kim thu s\u00e9t\" width=\"800\" height=\"419\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/06\/cach-lap-dat-kim-thu-set-1.jpg 800w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/06\/cach-lap-dat-kim-thu-set-1-600x314.jpg 600w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/06\/cach-lap-dat-kim-thu-set-1-300x157.jpg 300w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/06\/cach-lap-dat-kim-thu-set-1-768x402.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-2555\" class=\"wp-caption-text\"><em>Installing Early Streamer Emission ground system<\/em><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Step_3_Instructions_for_installing_the_column_and_the_base_of_the_Early_Streamer_Emission_support\"><\/span>Step 3: Instructions for installing the column and the base of the Early Streamer Emission support<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Poles and poles supporting lightning rods need to know how to install them carefully and properly to ensure the safety of the whole earthing system.<\/p>\n<p>The lightning conductor of the first ray needs to be placed at the highest position on the building. Columns for attaching lightning rods should choose stainless steel columns with a diameter of 42 and a length of 3m. The pole is connected to the anchor rope, on the pole, the nut is in 3 positions. To prevent damage from storm winds, the lightning rod should be firmly reinforced with the pole.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_4_Installation_instructions_for_lightning_cable_lightning_cable\"><\/span>Step 4: Installation instructions for lightning cable (lightning cable)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The number of lightning conductors will depend on the size of the project. Lightning conductors must have a cross section from 5cm to 7cm.<\/p>\n<p>For projects with a scale of less than 60m2, a lightning conductor with a cross section of 5cm &#8211; 7cm can be used. For buildings with an area of \u200b\u200b\u200b\u200b60m2 or more, at least 2 lightning cables should be used.<\/p>\n<p>The lightning cable is pulled from the base of the lightning pole to the ground and should choose the shortest and straightest path to run the cable. Note that it is recommended to use a belt to fix the cable once every 1.5m. When conducting cables, avoid items such as antennas, water tanks, etc. And must ensure to conduct lightning current to ground safely and quickly.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_5_Return_ground_system_ground\"><\/span>Step 5: Return ground system ground<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In the central pile position, it is necessary to install a ground resistance test pit so that the resistance value is less than 10 Ohm. If this value is larger, it must be treated with chemicals to reduce soil resistance, drive more piles or drill wells to reduce to the allowable resistance value.<\/p>\n<p>Finally, fill with soil and compactly into the trenches, pits and return the ground.<\/p>\n<h2 id=\"ftoc-heading-11\" class=\"ftwp-heading\"><span class=\"ez-toc-section\" id=\"How_to_choose_and_install_lightning_rods\"><\/span>How to choose and install lightning rods<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The lightning rod is mounted on the roof of the building, the highest place of that building. Needles have a length of about 50 &#8211; 150cm, made from metal. The lightning conductor is connected to the metal wire to the ground. The lightning conductor will be connected to the grounding pole. The grounding part is metal rods that are driven deep into the ground, with a length of about 250-300cm.<\/p>\n<p>The grounding unit is installed at a position 1-2m away from the house outside. Dig a trench about 50cm deep, connect the grounding pile ends together. At the location of the earth resistance test box, the down-conductor from the lightning rod or the ground cable from the main earthing copper plate will be connected to the earth system.<\/p>\n<h2 id=\"cac-luu-y-can-biet-khi-lap-dat-kim-thu-set-la-gi\" class=\"ftwp-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_notes_to_know_when_installing_lightning_rods\"><\/span>What are the notes to know when installing lightning rods?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The things you need in the installation of lightning rods include:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Note_about_the_protection_area_-_choose_a_reasonable_lightning_rod\"><\/span>Note about the protection area \u2013 choose a reasonable lightning rod<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Use IEC standard 21186 \u2013 96 or NFC 17 \u2013 102 France in combination with current Vietnamese standards for calculation. It is necessary to calculate all levels of protection radius: Level 1- Level 1, Level 2 &#8211; Level 2, Level 3 &#8211; Level 3, Level 4 &#8211; level 4. To do so, it is necessary to consider the height and location of the work and architecture. Attention should be paid to the selection of the height and location of the lightning rod installation.<\/p>\n<p>In addition, to ensure the safety of the work, it is necessary to consider the air gap between the needle column and neighboring objects or the minimum height of the needle column.<\/p>\n<figure id=\"attachment_2554\" aria-describedby=\"caption-attachment-2554\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2554 size-full\" title=\"L\u01b0u \u00fd v\u1ec1 v\u00f9ng b\u1ea3o v\u1ec7 \u2013 l\u1ef1a ch\u1ecdn kim thu s\u00e9t h\u1ee3p l\u00fd\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/06\/kim-thu-set-la-gi-6-500x375-1.jpg\" alt=\"L\u01b0u \u00fd v\u1ec1 v\u00f9ng b\u1ea3o v\u1ec7 \u2013 l\u1ef1a ch\u1ecdn kim thu s\u00e9t h\u1ee3p l\u00fd\" width=\"500\" height=\"375\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/06\/kim-thu-set-la-gi-6-500x375-1.jpg 500w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/06\/kim-thu-set-la-gi-6-500x375-1-300x225.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><figcaption id=\"caption-attachment-2554\" class=\"wp-caption-text\"><em>Note about the protection area \u2013 choose a reasonable ESE<\/em><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Structural_works_related_to_ESE_system\"><\/span>Structural works related to ESE system<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If the frame and roof that are in contact with the lightning protection system are iron corrugated iron, then you should consult more about the use of the building. From there to decide whether lightning protection system with construction or insulation.<\/p>\n<p>Designers also need to pay attention to the location of conductive objects such as antennas, water tanks, roof water pipes, etc. These devices are often affected or damaged when lightning strikes in the vicinity.<\/p>\n<p>In addition, if the design is not guaranteed, these items can also become electrical conductors into the work and cause danger to people and property.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Conductor_used_for_lightning_discharge\"><\/span>Conductor used for lightning discharge<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The larger the lightning conductor, the better, so it is less likely to be connected and choose the shortest and straightest route possible. It is recommended to use conductors with good electrical conductivity, usually round copper wire braided, the wire should have a cross-section of 50mm2 or more.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Lightning_protection_grounding_system\"><\/span>Lightning protection grounding system<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The lightning protection grounding system needs to have a small impedance and be stable for many years to ensure the safe and fast dissipation of lightning energy to the ground. The lightning cable, grounding system and lightning rod must be synchronized with each other. Depending on the terrain, the appropriate number and type of piles shall be arranged. Equipotential grounded systems are close together by Equipotential Valves.<\/p>\n<p>Using lightning rods for construction is essential. Especially for places that often have to receive heavy rain accompanied by thunder like Vietnam.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Reputable_Early_Streamer_Emission_installation_unit\"><\/span>Reputable Early Streamer Emission installation unit<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Currently, on the market, there are countless units that install lightning rods. However, we would like to introduce to you a leading reputable unit in electrical installation, light electricity. It was <strong><a href=\"https:\/\/p69.com.vn\/en\/\" target=\"_blank\" rel=\"noopener\">P69 Joint Stock Company.<\/a><\/strong> P69 Joint Stock Company. Our company is always appreciated by people for the following reasons:<\/p>\n<p>&#8211; Factory scale, using modern equipment. International standard.<\/p>\n<p>\u2013 Professional and experienced team of engineers and technicians<\/p>\n<p>\u2013 24\/7 free support consultation<\/p>\n<p>&#8211; Free shipping and installation<\/p>\n<p>Contact us today for a free consultation and answer at:<\/p>\n<div dir=\"auto\">\n<h2><span class=\"ez-toc-section\" id=\"Contact_information_P69_-_M_E_Contractor\"><\/span>Contact information P69 \u2013 M&amp;E Contractor<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Headquarter:<\/strong>\u00a0No. 6\/165C Xuan Thuy, Cau Giay District, Hanoi<\/p>\n<p><strong>Website:<\/strong>\u00a0https:\/\/p69.com.vn\/<\/p>\n<p><strong>Hotline:<\/strong>\u00a002422121212 \u2013 0965937799<\/p>\n<p><strong>Email:<\/strong>\u00a0kd@cokhip69.com.vn<\/p>\n<p><strong>Facebook:<\/strong>\u00a0<a href=\"https:\/\/www.facebook.com\/p69nhathaucodien\">https:\/\/www.facebook.com\/p69nhathaucodien<\/a><\/p>\n<p><strong>LinkedIn:<\/strong>\u00a0<a href=\"https:\/\/www.linkedin.com\/in\/congtyp69\/\">https:\/\/www.linkedin.com\/in\/congtyp69\/<\/a><\/p>\n<p><strong>Youtube:<\/strong>\u00a0<a href=\"https:\/\/www.youtube.com\/channel\/UCOUwCnE5iGj8iqe_ZIUM7oA\">https:\/\/www.youtube.com\/channel\/UCOUwCnE5iGj8iqe_ZIUM7oA<\/a><\/p>\n<\/div>\n<p><\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;2550&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;6&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (6 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (6 votes)    <\/div>\n    <\/div>","protected":false},"excerpt":{"rendered":"<p>When designing straight-line lightning protection using a lightning rod, an early discharge lightning arrester (lead ray) is not only based on theory, the designer needs to take into account the actual geological factors at the construction site to come up with a solution. decisions on the safe and effective installation of lightning protection systems. Here [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2552,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-2550","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.1.1 (Yoast SEO v20.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t kim thu s\u00e9t \u0111\u00fang chu\u1ea9n k\u1ef9 thu\u1eadt t\u1eeb A - Z<\/title>\n<meta name=\"description\" content=\"D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 kinh nghi\u1ec7m chia s\u1ebb v\u1ec1 c\u00e1ch l\u1eafp \u0111\u1eb7t kim thu s\u00e9t \u0111\u00fang chu\u1ea9n k\u1ef9 thu\u1eadt, c\u0169ng nh\u01b0 c\u00e1c l\u01b0u \u00fd khi l\u1eafp \u0111\u1eb7t kim thu s\u00e9t.\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/p69.com.vn\/huong-dan-lap-dat-kim-thu-set\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[:vi]H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t kim thu s\u00e9t \u0111\u00fang chu\u1ea9n k\u1ef9 thu\u1eadt t\u1eeb A - Z[:en]Instructions for installing Early Streamer Emission according to technical standards from A - Z[:]\" \/>\n<meta property=\"og:description\" content=\"D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 kinh nghi\u1ec7m chia s\u1ebb v\u1ec1 c\u00e1ch l\u1eafp \u0111\u1eb7t kim thu s\u00e9t \u0111\u00fang chu\u1ea9n k\u1ef9 thu\u1eadt, c\u0169ng nh\u01b0 c\u00e1c l\u01b0u \u00fd khi l\u1eafp \u0111\u1eb7t kim thu s\u00e9t.\u00a0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/p69.com.vn\/huong-dan-lap-dat-kim-thu-set\/\" \/>\n<meta property=\"og:site_name\" content=\"P69\" \/>\n<meta property=\"article:published_time\" content=\"2022-06-28T15:28:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-06-29T02:49:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/06\/cach-lam-cot-chong-set-10.jpg.png\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"adminhdec\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"adminhdec\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"11 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/p69.com.vn\/huong-dan-lap-dat-kim-thu-set\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/p69.com.vn\/huong-dan-lap-dat-kim-thu-set\/\"},\"author\":{\"name\":\"adminhdec\",\"@id\":\"https:\/\/p69.com.vn\/#\/schema\/person\/e7444874c2d9f2d90eb8fbc63e75243f\"},\"headline\":\"Instructions for installing Early Streamer Emission according to technical standards from A &#8211; 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