List the national organization that develops and coordinates safety related work practices for working with electrical systems. This organization also develops work practices that are related to firefighting activities.
What will be an ideal response?
National Fire Protection Association. Publications: NFPA 70 (National Electrical Code – NEC) and NFPA 70E – Standard for Electrical Safety in the Workplace.
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The voltage produced by a magnetic field cutting through a conductor depends on the ________
A) length of the conductor B) direction of motion C) speed of motion D) all of the above
The ____ data type occupies a single byte.
A. char B. int C. float D. double
When starting up a hot-water boiler, treated water is used to fill the _____
a. boiler, piping system, and terminals b. boiler to its normal water line c. boiler below its normal water line d. boiler to overflowing
The formula for inductive reactance is _____
a. XL = 1 ÷ 2?fL b. XL = 2 ÷ ?fL c. XL = 2? ÷ fL d. XL = 2?fL