Perfect compliment to any master disconnect switch Prevents shorting out of exposed terminals When installed, creates a finished "clean look" to disconnect switch wiring Constructed out of high quality, pliable, race enviorment frieldly rubber Accommodate 2 or 4 gauge wire and 3/8" to 1/2" terminal studs Can be installed before or after termination of remote fitting ends Meets sanctioning body requirements that terminals on the master disconnect cut-off switch be covered.