List five precautions that you should take when working with electrical tools.
What will be an ideal response?
1. Do not stand in water when using electric tools.
2. Be sure that a tool is turned off before plugging it in so that a spark does not jump from the outlet to the plug.
3. Electrical wall outlets should be properly grounded.
4. Three-wire electrical tools are the best choice for commercial work. The extra terminal is for ground. If you use a homeowner-type tool with a two-wire plug, it should be double-insulated.
5. Be sure to observe electrical wire color coding when repairing or replacing power cords on electric tools.
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What is the biggest single source of carbon monoxide emissions in North America?
A. Industry emissions. B. Gasoline and diesel engines. C. Off highway light cuty diesel engines. D. Heavy duty diesel engines.
When might it be necessary for you to use a drop cloth?
What will be an ideal response?
In a basic crossover network, there will be a(n) ________ in ________with the woofer and a(n) ________ in ________ with the tweeter
A) inductor, parallel, capacitor, series B) capacitor, series, inductor, series C) capacitor, series, inductor, parallel D) inductor, series, capacitor, series