The use of cast aluminum terminal box wiring

The use of cast aluminum terminal box wiring

First, after the junction box is unboxed, it should be checked for damage and missing parts, and then it should be hung vertically on the upper part of the roadway or fixed on the special bracket.The cable at the leading end of the two sides shall have an appropriate amount of gallop, and the cable head shall not bear the load.After both sides of the cable enter the box, the stress cone at the end of the cable shall be fixed with a support plate.

The use of cast aluminum terminal box wiring

The exposed 30mm core wire at both ends of the cable shall be pressed tightly with the terminal (operated with a special wrench) to ensure reliable contact and no loose core wire shall be allowed.The fastening bolts of each part of the junction box must be complete and checked regularly by specially-assigned persons.The maintenance and migration of junction box must not be carried out under the condition of electrification, must be in after breaking off the power supply, according to the requirements of "coal mine security regulations", after discharging with reliable means, only then can the cover be opened and must be reliably grounded when in use.

Before the prefabricated cable terminal, the compression flange, sealing ring, retaining ring and connecting link shall be sheathing into the cable, and the cable terminal shall be handled according to the terminal manufacturing process of high voltage cable.When no control line is introduced, the monitoring shielding lines at both ends are respectively woven together and connected by the auxiliary terminal.The grounding wires at both ends are braided together and connected to the respective internal grounding devices.Master the above knowledge, not only can ensure the safety of explosion-proof junction box, but also avoid improper operation to prevent it from playing its normal role.

Ningbo twin shell co., LTD. - safety protection box manufacturers!