The utility model provides an electrical equipment compartment, include: a housing. The door body is connected with the casing, a second place that the body has the primary importance of closing and opens, arcing protection portion, including first protection portion and second protection portion, first protection portion sets up on the door body or casing, the setting that second protection portion and first protection portion correspond is on another piece that the casing disjunction gate was personally experienced sth. Part of the body, first protection portion includes accommodation space, accommodation space's opening is towards the casing, when a position during in the second place, second protection portion at least some be arranged in accommodation space. The utility model discloses an among the electrical equipment compartment, first protection portion and the cooperation of second protection portion form anti -flaming arc portion, and this anti -flaming arc portion can increase the motion distance of arcing, and the increase arcing prevents the arcing through extinguishing up to arcing consumption through the degree of difficulty of anti -flaming arc portion to play the effect of anti -flaming arc.