Insulating mats are used as an additional measure of protection when working with electrical installations under high voltage. The material from which made the product must meet the requirements. Depending on the goals selected, the size of the litter, and also takes into account the storage time of the purchase, which is limited to three years.
Insulating mats are to additional remedies. High potential to break an individual's outfit: gloves, boots, the instruments used are measuring the current. In places ungrounded metal stands or at high humidity the floor such measures are simply necessary.
The Rules of operation of electrical installations under voltage up to 1000 V and above require necessary to use insulating mats. When working with any high voltage at the feet of the staff fit the grooved surface of a special material. It is resistant not only to the potential, but also to oils and mechanical wear.
Insulating mats meet the requirements of normative documents: GOST 4997-75. The material is able to withstand numerous cycle curves. The period of storage is 3 years after which the manufacturer recommends to change the remedy. This is due to the properties of rubber to change the composition under the influence of the air: it harden, become brittle, loses its ability to insulate the surface.
The surface of the Mat and anti-slip corrugated, the depth of the grooves is about 1-3 mm. the Material is able to withstand voltage up to 20 kV by frequency 50 Hz. Measured the leakage current that does not exceed 16 Ohms A/sq. m. the Structure's appearance should be homogeneous, dominated by dark colors.
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Articles are Divided into the following types:
Depending on the conditions of application has a fixed size of the dielectric pad. The price depends on the size. Classified products according to the standard values:
Specialized insulating mats are sold at a price greater than 500 roubles. Stand, depending on execution, can cost several thousand. Unique products on the order (according to customer's drawings) have a contractual payment and the date of manufacture.
In wet environments it is recommended to use an insulating stand. It is a dielectric surface of high rigidity, placed on legs of the same material. The height of the products starts with the 70 mm. Flooring lay out of wooden bars with a gap of more than 30 mm. For the legs use special insulators of CH-6. Additional protection can serve as a rubber Mat vystroeny on the surface of the holder.
Mat rubber dielectric and insulating stand are subject to periodic diagnostics on the sample and the integrity of the materials. Before use is carried out external inspection of the mats, checking for cracks in the material takes place during the break the plastic structure. Stand is advised to check for the presence of chips on the legs and litter.
When defects are detected, mats, floorings and other protective equipment should be replaced. If the stand is not moved, the diagnosis is carried out at least every 3 years. If the defect can be eliminated, it is necessary to verify the dielectric breakdown according to the norms.
To prevent premature wear of rubber coating, it is recommended to observe the following rules of using articles:
When working in cabinets, under high voltage, with the electric hoist you want to use isolation devices:
The Staff servicing high voltageinstallation, give specialized heat resistant suits. For working at height use of ladders and steps with dielectric inserts.
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UK: https://tostpost.com/uk/b-znes/40306-d-elektrichn-kilimki-r-znovidi-yak-st-priznachennya.html
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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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