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Installation And Maintenance Of Fireproof Cable

Nov. 12, 2018

Familiar with the construction drawings and site conditions before installation, plan and formulate the construction plan. During the laying process of the Fireproof Cable, or after laying and installing. It is strictly forbidden to drag or collide the live welding faucet wire on the cable, because the charged electric welding faucet wire will be the copper sheath of the mineral insulated cable (equivalent to the grounding wire). A welding spark is generated, so that the copper sheath is melted, causing holes in the Copper Core Cable, causing moisture in the air to be absorbed by the magnesium oxide insulation, and the insulation resistance value of the cable is lowered. Sometimes it is not possible to find a fault segment that creates a hole.

During the Laying Cable and installation process, the insulation of the cable should be measured and the problems should be dealt with in a timely manner. The insulation resistance value of the cable should be measured multiple times before and after cable laying and before and after the terminal and intermediate joints are made, and before and after comparison to ensure that the quality of each installation step cable is intact. At the same time, no matter whether the cable is cut off or suspended, or if it is to be placed for a period of time before construction, the cable must be closed in time to avoid moisture in the magnesium oxide insulation layer.

Fireproof Cable

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