Charles Below Grade HDPE Enclosures (CBGE) are molded polyethylene handholes designed for light-duty, parkway/greenbelt and similar applications to provide grade-level access to splice cases, control valves, slack cable and other equipment. The P173018 family (example MCN variants listed in Charles documentation) corresponds to the 17" x 30" x 18" rectangular tapered handhole. Options include multiple bolt patterns (penta, hex, REA), integrated EMS detection options, and factory-installed or field nameplates. Products are manufactured in the U.S.A.