With the insulation of the power line transformation, traditional design, since the insulating lines are withstanding level deficiencies, unbearable effects of direct lightning or thunder, lightning break has become another problem faced by electricity. Appears piercing lightning fittings to solve this problem, it has easy installation (no need to strip the insulation layer). The principle is: the fittings installed on insulated wires near the line insulator, when lightning over-voltage exceeds a certain value, a short-circuit channel, continuous frequency arc will be in mine gold with the burning to protect the wires from burns. Puncture-type arc-proof fittings, from the puncture electrode and the ground electrode and the insulating cover of three parts. Wherein the shape of a needle electrode (Figure 1).
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