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    Maxwell Lightning Protection is a subscriber to the MASTER LABEL SERVICE of Underwriters Laboratories, Inc. as well as to the Factory Inspection Program for Lightning Protection Components.

    Under the factory inspection service our lightning protection cables and components are regularly inspected and tested by UL representatives.   Maxwell components bear the UL label or listed mark depending on the type of components.

    The Master Label service is available for complete Lightning Protection Systems which have been installed using only UL listed or labeled components in accordance with UL Master Label Installation Requirements.

    Underwriters Laboratories is a non-profit organization engaged in testing for public safety.  It is THE ONLY third party testing and inspection service available to purchasers of lightning protection systems that DOES third party testing and inspection service available to purchasers of lightning protection systems that DOES NOT have direct industry involvement.  It is not involved in the marketing, manufacturing, or installation of lightning protection systems or components.   Underwriters Laboratories has been active in the testing and inspection of lightning protection components and systems for over 70 years.  Their experience in the safety testing field has earned them world wide recognition and respect.  UL is not a trade organization with proprietary interests.

    Underwriters service for the lightning protection industry involves three different labels.  Illustrations of these labels as well as the Master Label application are shown below.  The top two labels are applied to conductors and air terminals at the factory.  The bottom Master Label is mailed direct to the property owner following proper application by a listed lightning protection installer in good standing.  For new or re-instated installers, the master label will be presented following inspection by UL representatives.

    Briefly, the Master Label service provides for the proper installation of factory inspected lightning protection components.  A listed installer must demonstrate his ability to install listed components in accordance with the installation requirements of Underwriters Laboratories, UL96A.  Upon completion of an installation the listed installer will complete the Master Label Application, obtaining the required signatures.  The application set contains four copies; one for the property owner or his representative, one for the installer, and two are forwarded to UL for further processing and the issuance of the Master Label.

    Following the issuance of the Master Label, UL representatives will make actual field inspections of the systems.  Should they find variances from requirements, they will issue variation notices and the installer will further master label work until such time as all variations have been corrected.

THERE IS NO SUBSTITUTE FOR THE MASTER LABEL