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1930's Electrical Panel in a Huntingdon PA factory building  (C) InspectApedia.com LM Building Electrical Component Age
Determine the age of building electrical panel, wiring, components

  • ELECTRICAL COMPONENTS, AGE, TYPES - CONTENTS: index to articles explaining how to determine the age of electrical components in a building: electrical panel age, electrical wiring age, age of receptacles, switches, light fixtures, controls and other electrical equipment.
  • POST a QUESTION or READ FAQs about how to determine the age of a building or home or its components & systems
  • REFERENCES
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How to find the age of a building's electrical system:

Visual clues, date stamps, serials numbers, and other information can give us the approximate and sometimes exact age of a building's electrical panel, electrical wiring, and other electrical compnents.

This article series provides a photo guide to determining the age of a building by examination of the architectural style of construction or the building materials and components that were used in the structure.



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Age of Electrical Components Also Indicate Building Age

PHOTO of an obsolete 30-Amp electrical meter and fuse panel ca 1935

Here is a photograph of an obsolete 30-Amp electrical meter and fuse panel, ca 1935.

[Click to enlarge any image]

While varying somewhat by area of the country in the U.S., Latin America, Europe, and other areas, there are recognizable generations of electrical wiring ( KNOB & TUBE, greenfield, armored cable or " BX" wiring, plastic or " NM/NMC" wiring), wiring materials (copper, tinned copper, aluminum, copper-plated aluminum), and also, easily recognized generations of electrical meters and electrical service panels.

In this list of articles describing the age of and properties of older electrical system components in buildings we illustrate various of these materials and products and we provide information about their safety or about the need to inspect or perhaps replace or upgrade certain problematic electrical equipment such as obsolete or sometimes unsafe electrical panels, wiring, devices.

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Continue reading at OLD HOUSE ELECTRICAL WIRING or select a topic from closely-related articles below, or see our complete INDEX to RELATED ARTICLES below.

Or see AGE of a BUILDING, HOW to DETERMINE - Visual clues pointed out by a home inspector or available to any careful building inspector can help indicate the age of a building.

Or see ELECTRICAL INSPECTION, DIAGNOSIS, REPAIR - home

Or see this

Article Series Contents on Old House Electrical Components

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ELECTRICAL COMPONENTS, AGE, TYPES at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.

INDEX to RELATED ARTICLES: ARTICLE INDEX to ELECTRICAL INSPECTION & TESTING

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