Which of the following is not considered one of the three main independent testing laboratories for electrical lighting fixtures?
a. National Electrical Manufacturers Association
b. Underwriters Laboratories
c. Canadian Standards Association
d. Electrical Testing Laboratories
a. National Electrical Manufacturers Association
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An unplanned event or occurrence in which no one was injured and no damage to property occurred, but during which either could have happened, is called a _____.
a. major incident b. near miss c. serious injury d. minor incident
To calculate the voltage drop in a conductor, you must know the number of feet of wire that is used.
Answer the following statement true (T) or false (F)
A common ____________________ is effective for drying out electrical systems that may have been
affected by pressure washing.
Fill in the blank(s) with the appropriate word(s).If air conditioning is to be added to an existing forced-air heating system, what must be taken into account?
A. duct size B. fan speed C. required air volume D. all of the above