The ornamental design for a junctionbox with cablekeepers, as shown.
FIG. 1 is a perspective view of a junction box with cable keepers in accordance with the present design;
FIG. 2 is a front view of the junction box with cable keepers shown in FIG. 1;
FIG. 3 is a rear view of the junction box with cable keepers shown in FIG. 1;
FIG. 4 is a plan view of the junction box with cable keepers shown in FIG. 1;
FIG. 5 is a bottom view of the junction box with cable keepers shown in FIG. 1;
FIG. 6 is a left side view of the junction box with cable keepers shown in FIG. 1; and,
FIG. 7 is a right side view of the junction box with cable keepers shown in FIG. 1.
The broken line showing of structure in the interior of the junction box in FIG. 2, and the circles in the upper and lower portions of FIG. 6, are for the purpose of illustrating connection features and form no part of the claimed design.