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The NEC tells us that the minimum unit load required for dwelling unit is
what is 3 VA per square ft of floor area
In most rooms of a dwelling unit, wall receptacles must be placed so that no point measured horizontally along the floor line in any wall space is more than how many feet from a receptacle outlet
what is 6 feet
the rating of a branch circuit is determined by what
what is the rating of the overcurrent device
when an object protected by a what is struck by lightning bolt, it will bleed the lightning discharge to ground before the protected object can be harmed
what is lightning rod
receptacles are required to be installed on the outside of the home are required to be what type
what is GFCI type protected
An auto mobile moving through dry air ends up with what
what is nuisance static charge
Basements in homes today could be considered as being adaptable for use as what kind of room in the future
what is habitable or occupiable room
within a lightning bolt, current flows how
what is from negative to positive
after determining dimensions, the NEC allows you to subtract what area
what is open porches
How can a person generally eliminate the accumulation of static charge in the home, especially when carpet exists?
what is install humidifier
what ampere rated branch circuit is required in a master bath
what is 20 amp
electrostatic charges occur on ?
what is insulators
A precipitator is a type of what
what is air filter
Foyers that are not part of a hallway and have an area that is greater than what ft2 are required to have a receptacle located in each wall space 3 ft of more in width
what is 60 ft2
selenium is what kind of material
what is semiconductor
the shock that results from walking across a carpet and touching a doorknob is an example of a what charge
what is nuisance static charge
Rubbing a hard rubber rod on a piece of wool produces what kind of charge
what is negative charge
what material can hold electrons stationary
what is insulators
In addition to general lighting loads and major appliance branch circuits what other branch circuits are included for load calculations
what are small appliance branch circuits
A lightning protection device that is grounded at one end, with the other end close to but not touching the object to be protected, is called what
what is lightning arrestor
when using a dry copy machine, a high voltage wire located near the drum causes the selenium to have what charge as it rotates
what is positive charge
This occurs during static electricity causes an object to either gain or lose electrons
what is imbalance
the static charge sometimes used during spray painting is an example of what charge
what is useful charge
receptacles in areas with sinks and permanent provisions for food preparation, beverage preparation, or cooking must also be what type
what is weather resistant
Receptacles outlets located in the floor more that how many inches from the wall are not to be counted as meeting the required number of wall receptacle outlets
what is 18 inches