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SAFETY
 
Many Cermetek products have been evaluated by Underwriters Laboratories for compliance with the UL 60950 Safety standard for information technology equipment.  Compliance with this standard is critical because of the high voltage conditions presented by telephone lines.  Both the 48 volt battery voltage supplied on the telephone line and the Ring voltage which can be up to 150 Vrms present a hazard.
 

Cermetek parts successfully evaluated by Underwriters Laboratories for compliance with Ul60950 are marked as UL recognized components.  This means that users of these Cermetek components do not have to undergo a full evaluation to UL 60950 but only verify that they have followed good design practices by meeting the Underwriters Laboratories Conditions of Acceptability for the recognized component .