|
|
HUMOR PAGES
BASIC ELECTRICAL CONTRACTOR'S EXAM
Which consumes more energy, a 100 W light bulb that is left on for 12 hours or a 1200 W oven left on for 2 hours?
Wires A and B are both made of copper and have exactly the same length. Wire A has twice the diameter of wire B. If the same potential is applied across the ends of each, which will carry more current? By what factor?
Two 100 W bulbs are connected in series. 120 VAC is applied across the combination. Do the bulb consume 100 W each? Explain why or why not.
What color is a green ground screw?_______________
When hooking up a 200 volt heater, you must use 220 volt wire.
True_______ False_______
Electricity will leak out of pipes if they are not connected with rain-tight fittings.
True_______ False_______
To trip a breaker, you must stick your foot out as it walks by.
True_______ False_______
When dealing with conduit, the O.D. must exceed the I.D. or the hole
will be on the outside.
True_______ False_______
A keyless fixture cannot be unlocked.
True_______ False_______
A circuit breaker that reads 20 on the handle means it can only trip 20
times before it is worn out.
True_______ False_______
If you plug something marked 110 volts in a 120 volt outlet, 10 volts
will leak out and make a mess.
True_______ False_______
The gauge of wire tells you how many plugs you can hook into it.
True_______ False_______
When pulling two 4/0 wires in a 1/2" PVC conduit, the PVC stands for
" Pipe Very Crowded ".
True_______ False_______
An OHM is a Hindu measurement of voltage.
True_______ False_______
A flush mounted device may only be hooked up to a toilet.
True_______ False_______
Electrical Inspectors are also known as _______________________.
Service entrance conductors purchased from an electrical parts house
with current already in them are very dangerous to install.
True_______ False_______
High voltage wire is used in the upper levels of tall buildings, whereas
low voltage wire is usually found in basements or underground.
True_______ False_______
If you have a molded case circuit breaker, the mold can be washed off
with warm soapy water.
True_______ False_______
