Description
The purpose of Main/Reserve Sign is to identify the presence of the HFC-125 Main/Reserve Switch Station. The sign is 4” x 2.25” x 1/16” (102 x 57 x 1.6mm) and is constructed of white plastic with red lettering. The Main/Reserve Sign should be located under the Main/Reserve Switch for positive identification. A Main/Reserve Switch is used with systems that incorporate main and reserve (back up) HFC-125 Agent storage.