As a working electrician you install from prints in the field every day. However, correctly identifying electrical symbols on a timed examination can be challenging for the most experienced of electricians, especially if presented with symbols that appear to be similar. 
Can you answer the following question with ease?
Question:
Which of the following is a symbol for an insulated duct?
I.
III.
Solution:
The symbol for an insulated duct is:
The symbol for a power panel is:
The symbol for a floor vent is:
Electrical symbols can appear to be similar and even have similar names but have very different meanings. Having a clear understanding of the symbol, its component name and meaning is essential to answering symbol related questions correctly on your electrical exam. Learn what you need to know to pass your electrical exam on the first try. Click the “Register Now” tab or call 888-919-3926 and start preparing to pass your exam today!