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Wylex Metal Twist Fit Cover Blank Plate NMMB The Wylex NMMB is a Single Pole MCB Metal Blanking Plate, suitable for use with the 17th Edition boards and 3rd amendment Wylex Boards. The NMMB is used to cover un-used areas within a consumer board where no MCB’s or RCBO’s are required. The single pole MCB metal blank plate is suitable for Wylex Consumer units only.
*These are products that previous customers have also purchased with this item, the products shown here may not be related or compatible.