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American Casting and Manufacturing provides a complete line of security seals for all utility, gas, and electrical meters.
The utility line includes plastic padlock seals, acrylic meter seals, metal padlock seals, plastic and wire seals, lead seals, and tamper-evident tape. These are used on gas meters, electric meters, water meters, and utility enclosures by electric, gas, and water utilities across the US. All models are serialized to support the audit trail requirements of utility inspection and service programs.
A seal applied to a meter enclosure documents that the meter has not been accessed between authorized utility readings or inspections. Any broken or missing seal found during a scheduled field inspection is an immediate indicator of potential bypassing or service theft, triggering an investigation before the next billing cycle. The combination of a physical seal and a serial number log makes unauthorized access detectable even if the bypass is later concealed.
The Acrylic Meter Seal (Model XPC-2) is a lightweight, transparent plastic seal used on smaller meters where a non-metallic, low-profile closure is sufficient. The Metal Padlock Seal (Model WP101) provides a heavier-duty, all-metal closure for meters in higher-risk environments or exposed outdoor installations where greater physical resistance is required. Both models are serialized for tracking and available with sequential numbering.
Yes. Lead and wire seals remain in use across utility operations, particularly where a deformable seal with a press-imprinted unique identifier is required for regulatory or evidentiary purposes. The impression created at crimping serves as a non-replicable record of who sealed the meter and when. Lead and wire seals are available in bulk quantities and are compatible with standard seal press equipment for field application.
Yes. The Plastic Padlock Seal (Model 8001-LBC), XPC-BC Acrylic Seal, and the Barcoded Wire Seal are available barcoded in the utility line. Barcoded seals support electronic meter management systems where seal numbers are scanned at installation and verified at each service interval, building an auditable record across an entire meter fleet without manual data entry. This significantly reduces the administrative burden of managing seal logs for large utility service territories.
Yes. The Writable Plastic Padlock Seal allows utility field crews to write directly on the seal body at application, which is useful for recording meter read dates, district codes, or technician IDs when a handwritten field log is part of standard operating procedure. Custom sequential numbering is also available across most models for operations that prefer pre-printed identification.
Yes. Tapezon Tamper Evident Tape and Perforated Security Tape (ProPerf) are available for meter panel doors, junction boxes, and utility enclosures. Both leave a visible residue or void pattern on the surface when removed, alerting utility field crews to unauthorized access between inspections. Tape is often used in combination with a mechanical seal on the same enclosure for a dual-layer tamper evidence approach.
Most large utility operations assign seal number ranges to specific districts, crews, or meter types, then track installations and replacements through their outage management or meter data management system. Color coding is also widely used in the field to distinguish meter class, seal function, or inspection period at a glance.
Barcoded seals simplify inventory management significantly, as field crews scan each seal at installation and automatically populate the electronic record without manual data entry. Periodic reconciliation of issued seal numbers against active meter records helps identify gaps that may indicate unauthorized access or seal misuse.