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Alternating Current Disconnect Requirements for Photovoltaic Operation within California

With close to 500 authorities having jurisdiction (AHJs) in the state of California alone, it is often difficult to keep track of the preferential...

Visible Isolation of High Voltage Disconnecting Means

Why is visible isolation required for high voltage circuits? High voltage visible isolation has been required in Canada since the fifties. Visible isolation is the...

Dispenser Disconnects – Critical safety net that is overlooked?

Technology of fuel dispensers has kept pace with the fast-paced society of today. Present day fuel dispensers often come configured with a multitude of...

When Disconnects Are Not Enough

May is electrical safety month, during which the electrical industry draws attention to all aspects of electrical safety for persons and property. Section 90.1(A)...

Disconnecting Means for Motor and Air-conditioning Equipment

The purpose of electrical codes is practical safe guarding of persons and property from the hazards associated with electricity. Numerous prescriptive requirements address safety...
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