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About Rick Miell
Expertise
Past County electrical inspector, hold St. of Colorado Master license, will try to answer any electrical question with Code related answers.

Experience
State of Colorado Master Electrician. Past County Electricial Inspector (15 years)

You are here: Experts > Home/Garden > Home Improvement/Repair > Electrical Wiring in the Home > conduit

Electrical Wiring in the Home - conduit

Expert: Rick Miell - 11/29/2005

Question
1. A 10 inc. beam is in the path of a conduit run form a junction box which is located 38 inc. from the beam. The beam os to be bypassed by a 30 degree offset with a seond offset bend occuring at the cornor of the beam. At what distances from the outlet box will the 2 bends be marked on the length of a 1inc. EMT?
a.18 and 38          b.20 1/2 and 40 1/2
c.38 and 40 1/2      d.8 and 48

2. What is the take up amount for a sub-up bend using 1 inc. IMC?
a.5 and 5/8   b.16 and 5/8   c.11     d.8

3.When making an offset in conduit, if the spacing between marks is double the offset depth, the offset angle will be?
a.90%      b.22 1/2%        c. 45%     d. 30%

4.The largest conduit trade size in which a short nipple of 2 1/2 inches length is available is
a. 3inc   b. 2 1/2inc   c. 2 inc    d. 1/2inc.

Answer
These sound like questions from a test. I don't have my bending book with me, so I would suggest you visit   www.idealindustries.com/pdf/bendguid.pdf to download a bending guide. It may have the answers you are looking for.

Good luck.

Rick Miell

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