HM Cragg | Quality People. Quality Power.

HM Cragg » Services »  Installation



HM Cragg’s service department offers a full line of services, from battery maintenance to power systems upgrades.  Our Telcordia-trained staff is experienced in telecommunications, switchgear and control, and UPS environments.

  • Battery Installation and Removal

    Battery Installation and Removal

    Whether you need a single battery replaced or a completely new battery string installed, HM Cragg can handle your unique power systems maintenance. Our experienced, Telcordia-trained technicians have been serving the upper Midwest since 1968. We...

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  • Power Plant Upgrades

    Power Plant Upgrades

    Zero downtime. It’s crucial to the operations of any business. Protecting the heart of your power infrastructure is critical to maintaining profitability. HM Cragg has the experienced and qualified technicians to handle a wide range of...

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  • Grounding Systems

    Grounding Systems

    HM Cragg has the experienced and Telcordia-trained staff available to handle installations, upgrades, repairs, and modifications to grounding systems in a variety of telecommunications environments. Our grounding experience includes working with:

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  • General Installation

    General Installation

    HM Cragg’s experienced service department is well-versed in the installation of and modifications to backup power facilities common to utility and telecommunications applications. Trained to Telcordia standards, our long-tenured staff has...

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