HOUSING FOR PROTECTING ELECTRICAL INSTALLATION AND ELECTRICAL INSTALLATION COMPRISING SUCH PROTECTIVE HOUSING

An electrically insulating protection box (2) for an electric installation includes at least one electric busbar (4), the protection box including at least two casings (8, 10) wherein each casing (8,10) includes inside surfaces intended to surround at least a part of the busbar at a junction zone, at least 50% of the area of said inside surfaces being in direct contact with an electrically conducting element of the junction zone. 该用于电气设备的电绝缘保护盒(2)包括至少一个电气母线(4)，该保护盒包括至少两个外壳(8、10)，每个外壳(8、10)包括用于在接合区处围绕母线的至少一部分的内表面，所述内表面的至少50％的区域与接合区的导电元件直接接触。