Definition of Ballast

Ballast

A transformer that steps up the voltage in a florescent lamp.

Group Life Insurance

This is a very common form of life insurance which is found in employee benefit plans and bank mortgage insurance. In employee benefit plans the form of this insurance is usually one year renewable term insurance. The cost of this coverage is based on the average age of everyone in the group. Therefore a group of young people would have inexpensive rates and an older group would have more expensive rates.
Some people rely on this kind of insurance as their primary coverage forgetting that group life insurance is a condition of employment with their employer. The coverage is not portable and cannot be taken with you if you change jobs. If you have a change in health, you may not qualify for new coverage at your new place of employment.
Bank mortgage insurance is also usually group insurance and you can tell this by virtue of the fact that you only receive a certificate of insurance, and not a complete policy. The only form in which bank mortgage insurance is sold is reducing term insurance, matching the declining mortgage balance. The only beneficiary that can be chosen for this kind of insurance is the bank. In both cases, employee benefit plan group insurance and bank mortgage insurance, the coverage is not guaranteed. This means that coverage can be cancelled by the insurance company underwriting that particular plan, if they are experiencing excessive claims.

Paid-Up Additions

A type of insurance policy or annuity in which the owner receives dividends, typically increases the death.

Built-Up Roof

A roofing composed of three to five layers of asphalt felt laminated with coal tar, pitch, or asphalt. The top is finished with crushed slag or gravel. Generally used on flat or low-pitched roofs.

GFI -See Ground Fault Current Interrupter

Ground Fault Current Interrupter

An electrical device used to prevent injury from contact with faulty electrical appliances and faulty wiring
electrical shocks. GFIs should not be confused with AFIs, the later are designed to prevent electrical fires. GFIs are required in new home bathrooms, kitchen, garage, out of doors and in other locations where one might be in contact with a grounded surface or body of water and an electrical appliance. Most GFI's are located in the receptacle itself or a curcuit breaker and can be identified by the presence of a 'test' and a 'reset' button.

High Voltage System

See Electricity.

Low-Voltage System

Provides security, entertainment, communications, environmental control, networking, and other functions generally powered by a signal cable, phone line or data cable. Is not typically metered.

Metal Insulation Support

16" or 24" wire rod or crisscrossed wire to hold floor insulation in place.

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