CONCRET-ENCASED METAL TERMINAL BOX HAVING INFLOW PREVENTION COVER

摘要

PURPOSE: A concrete-encased metal terminal box having an inflow prevention cover is provided to prevent the inflow of concrete into a terminal box and maintain air tightness state in a metal box. CONSTITUTION: In a concrete-encased metal terminal box having an inflow prevention cover, a nail insertion hole is formed to fix a metal terminal box to a mold before inputting concrete. An additional inflow prevention cover(20) is formed on the bottom of the metal terminal box. Nail guide grooves(22, 22') exposed to the outside of the inflow prevention cover guide a nail to right position.