Mine safety circuit junction box (20 pairs) JHH-6 type one, JHH-6 mine safety circuit junction box Overview JHH-6 Mine intrinsically safe circuits are intrinsically safe junction box fixed cable multi-way junction box, according Q/HX003-2007 standard production line. The wiring and cable wire divider means intrinsically safe circuits, mainly for environmental methane and coal dust and class Ⅱ B explosive mixtures containing the following in. It has a compact dust, moisture, structure, wiring reliable, easy to wire and cable dial off and so on. The junction box cable import and export management, wide coverage and other characteristics, the product has five rows of terminals. Inlet and outlet junction box has 13 different bell sizes, suitable for HUYV Series mine communication cables and wiring PUYV series of mine of the signal cable can only be used in explosion-proof Certificate of Conformity using intrinsically safe communication system An extension of the circuit or shorten the cable or line. Two, JHH2-6 mine safety circuit junction box model implications proof type: Mine intrinsically safe. Explosion-proof mark: Exib Ⅰ.