Peril

(01) Cause of loss such are Fire, windstorm, water leakage, housebreaking etc. (02) A type of event that may cause a loss that may or may not be covered by an insurance policy. An insured peril is one for which insurance cover is provided. Examples of perils that may be covered are fire, theft, accident, windstorm, earthquake, riot and civil commotion.
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UK: A contingency, or fortuitous happening, which may be covered or excluded by the policy.
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A harmful event which may be covered under a contract of insurance or reinsurance as an insured peril or excluded from it.
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A potential cause of loss.
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US: Cause of loss—for example, fire, windstorm, collision.
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MEDICAL,USA: Certain specified risks covered by an insurance policy (e.g., fire, flood, hurricane, theft, windstorm).
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UK: the actual or potential cause of loss.
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US: The cause of a possible loss, such as fire, windstorm, theft, explosion, or riot.
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The cause of a possible loss. For example, fire, theft, or hail.
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REINSURANCE: This terms refers to the causes of possible loss in the property field – for insurance: Fire, Windstorm, Collision, Hail, etc. In the casualty field the term “hazard” is more frequently used.

Perils Mixed

Two or more perils which simultaneously cause loss, such as when, during a seacoast storm, both wind and water and water damage property. Mixed perils become significant when one peril causing loss is covered by Insurance, but another is not. If it is not possible Policy provide appropriate limitations.

Perils of the Sea

Most losses covered by a marine insurance policy come within the comprehensive expression “perils of the sea,” which refers to a damage caused y heavy weather, stranding, striking on rocks or on bottom, collision with other vessels, contacts with floating objects, etc.
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Somewhat akin to open perils on land, the term refers to any potential cause of loss derived from shipment on a seagoing vessel.

Perils of the seas

Refers only to fortuitous accidents or casualties of the seas and does not include the ordinary action of the wind and waves (MIA 1906, Rule for Construction 7). Sinking, foundering of ship at sea, collisions or unintentional stranding are not mentioned but are ‘perils of the sea. Something which may happen at sea, not something that must happen, is the criterion. See PERILS ON THE SEA.

Period certain

1. In an annuity, specific time during which the insurance company unconditionally guarantees benefit payments to continue. 2. In an insurance settlement, time period that the insurer assures payments of benefits.