Deep drawn square/rectangular cans and covers of zero’s are designed in different heights between the maximum and minimum listed dimensions. While placing an order, you have to provide the heights in inches and part numbers. Five basic configurations are available for the deep draw housing covers of Zero. CF (Flush-Fitting Covers) of zero is available with all boxes. The cans and covers are manufactured in different heights from maximum to minimum.
Outside fitting covers are (COT, COL) offered in both tight and loose fitting covers without any variation of clearance for a gasket. Variable heights with special setup and tooling is available. Tooling is necessary, because the variation in the heights is not available without tooling. Gasket-Fitting Covers (COG) Zero offer clearance for the gasket. Height variation is not available without tooling and gaskets.