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What is the total shrinkage of a set of 30 degree offset bends with a depth of 7 in and a set of 22 12 degree opffset bends with a 4 in depth?
Wiki User
∙ 17y ago
30 degree bends -as in a conduit offset- create a 3-4-5 right triangle extrapolating the "3" of the triangle to your 7" offset should result in a shrinkage of approx 2- 1/3 inches. Sinceconduit bends are curved and not exact angles this may not be accurateenough to pre-cut and thread and then bend. I assume that is why you were asking. I also assume you are talking large size conduit. I will leave the 22-1/2 degree question to you.
Wiki User
∙ 17y ago
To find the total shrinkage, you would add the shrinkages of the two sets of bends together. For the set of 30 degree offset bends with a depth of 7 inches, you would calculate the shrinkage using a bender multiplier table based on the bend angle and a depth of 7 inches. Similarly, you would do the same for the set of 22 1/2 degree offset bends with a depth of 4 inches, and then add them together to get the total shrinkage.
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How many degrees of bend is allowed in a conduit between boxes?
It is generally recommended not to exceed 360 degrees of total bends in a conduit run between boxes. Any more bends may make it difficult to pull wires through the conduit and can affect the efficiency of the electrical system.
How many 90 degree bends can you have in one run of conduit from box A to box B?
In general, it is recommended to limit the number of bends in conduit to 360 degrees (four 90-degree bends) for proper cable installation. Exceeding this limit can affect cable performance, make pulling cables difficult, and increase the risk of damage to the conductors.
How many 90-degree bends can you have in one run from Box A to Box B?
It is recommended to limit the number of 90-degree bends to 360 degrees in one run from Box A to Box B to prevent excessive resistance and impact on cable performance. This means you can have up to four 90-degree bends in a single run.
Which one of the following combinations of bend in a conduit run require the use of a pull box two 90-degree bends and four 45-degree bends two 90-degree bends and five 30-degree bends?
The electrical code states that there shall be no more than four 90 degree bends in a conduit length between pull boxes. This equals 360 degrees. The first scenario 90 + 90 + 45 + 45 + 45 + 45 = 360 degrees so that conduit run is acceptable. The second scenario 90 + 90 + 30 + 30 + 30 + 30 +30 = 330 degrees so this combination is also acceptable.
What is the maximum number of 90 degree bends which should be used in a run of conduit between points where the wire can be pulled?
Per national electrical code you are only allowed 360 degrees which is 4, 90 degree bends before having to use a pull box or termination.
When bending a 12 inch offset using 30 degree BENDS what would be the distance between the two bends?
Use these numbers when bending offsets: 10 degree bends, multiply the depth of the offset by 6 this will give you the distance between bends. For 20 degree multiply by 2.6, for 30 degree multiply by 2, for 45 degree multiply by 1.4, for 60 degree multiply by 1.2. I use 30 degree bends for all of my offsets, just because its easier to do the math. So your answer would be 24 inches between bends. I have come to the conclusion anybody can bend conduit, its the measuring and marking that requires skill.
When bending a 12 inch offset using 30 degree bends what would the distance between the two bends?
Use these numbers when bending offsets: 10 degree bends, multiply the depth of the offset by 6 this will give you the distance between bends. For 20 degree multiply by 2.6, for 30 degree multiply by 2, for 45 degree multiply by 1.4, for 60 degree multiply by 1.2. I use 30 degree bends for all of my offsets, just because its easier to do the math. So your answer would be 24 inches between bends. I have come to the conclusion anybody can bend conduit, its the measuring and marking that requires skill.
When bending a 12 inch offset using a 30 degree bend what would the distance between the two bends?
Use these numbers when bending offsets: 10 degree bends, multiply the depth of the offset by 6 this will give you the distance between bends. For 20 degree multiply by 2.6, for 30 degree multiply by 2, for 45 degree multiply by 1.4, for 60 degree multiply by 1.2. I use 30 degree bends for all of my offsets, just because its easier to do the math. So your answer would be 24 inches between bends. I have come to the conclusion anybody can bend conduit, its the measuring and marking that requires skill.
How many degrees of bend is allowed in a conduit between boxes?
It is generally recommended not to exceed 360 degrees of total bends in a conduit run between boxes. Any more bends may make it difficult to pull wires through the conduit and can affect the efficiency of the electrical system.
How many degrees of bend is allowed in a conduit run between j-boxs?
The electrical code states that there will be no more that four quarter bends between junction boxes. Keep in mind when conduit bending that an offset of two 45 degree bends is classed as a 90 degree bend. Offsets between two junction boxes uses up two of the four 90 degree bends allowed. If in a conduit run, the limit of 90 degree bends is utilized, always pull in stranded wire to make the pull go easier.
What kind of bend would you use when offsetting conduit around an Beam?
offset bends.
What kind of bend would you used when offsetting conduit around an i beam?
offset bends.
What are the 4 types of electrical conduit bend?
The 'Stub-up', or 90º bend, Back to Back Bends, Three Bend Saddles, and offset bends.
How many 90 degree bends can you have in one run of conduit from box A to box B?
In general, it is recommended to limit the number of bends in conduit to 360 degrees (four 90-degree bends) for proper cable installation. Exceeding this limit can affect cable performance, make pulling cables difficult, and increase the risk of damage to the conductors.
Why offset is provided in cam mechanism?
Because the cam is a mechanical steering components. Commands with multiple bends.
How many equivalent ninety degree bends are allowed in araceway between outlet boxes?
You are allowed 4 - 90 degree bends between openings. This is 360 degrees. Regardless of the sizes of bends, the 360 degrees is the limitation. In actual practice, you want to avoid bends as much as possible. I can tell you from experience that having more than 270 degrees, that's 3 - 90 degree bends, is ill advised unless absolutely necessary.
How many 90-degree bends can you have in one run from Box A to Box B?
It is recommended to limit the number of 90-degree bends to 360 degrees in one run from Box A to Box B to prevent excessive resistance and impact on cable performance. This means you can have up to four 90-degree bends in a single run.
