The ornamental design for a junctionbox with cablemanagement, as shown.
FIG. 1 is a perspective view of a junction box with cable management in accordance with the present design;
FIG. 2 is a front view of the junction box with cable management shown in FIG. 1;
FIG. 3 is a rear view of the junction box with cable management shown in FIG. 1;
FIG. 4 is a plan view of the junction box with cable management shown in FIG. 1;
FIG. 5 is a bottom view of the junction box with cable management shown in FIG. 1;
FIG. 6 is a left side view of the junction box with cable management shown in FIG. 1; and
FIG. 7 is a right side view of the junction box with cable management shown in FIG. 1.
The broken line showing of attachment aperture indicia on the attachment panel in FIG. 6 is for the purpose of illustration and forms no part of the claimed design.