You're a secret agent, and you start to notice strange symbols everywhere you look. Can you decipher their meaning – and work ...
1. What size rigid metal conduit (RMC) is required to enclose 18 No. 10 THWN copper conductors? (a) 3/4 in. (b) 1 in. (c) 1 1/4 in. (d) 1½ in. 2. What size electrical metallic tubing (EMT) is required ...
Did you know FIFA uses a special three-letter code for every country in their tournaments? Imagine how messy the scoreboard would be if they spelled out the whole name! These codes are called trigrams ...
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