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June Tips 2024

Electrical Tip: Three Most Common Reasons for Project Holds, Pt. 1


Learn more about the most common reasons CRE's electrical engineers put residential solar projects on hold:


1. The main breaker size is less than the load calculations (see December 2023 Edition for details).


2. The plan set was designed with the wrong wire chart or wire size. Note: If a line side tap connection is used (see image), the minimum wire size is 6AWG. However, If the fuses are 80A, Tap Wire Gauges should be 4 AWG. For the 200A Fuses, You need 4/0 AWG-rated Tap wires.


3. The number of modules used in the plan set's line diagram does not match the actual number of modules to be installed.


To prevent hold-ups, we recommend that you verify the above before submitting each project. For questions regarding our electrical services, please email support@creng.solar.


 

Structural Tip: Three Most Common Reasons for Project Holds, Pt. 2


Learn more about the most common reasons CRE's structural engineers put residential solar projects on hold (in order of prevalence):


1. The framing information or LBW diagram is missing (check out our site survey checklist and site survey template - see below)


CRE Site Survey Reference (1)_Part22
.pdf
Download PDF • 1.16MB


2. A structural disqualification (DQ), meaning we are unable to approve the project and may recommend hiring a local engineer.



3. Strengthening is required, such as hinge plate reinforcement or sistering (see image).



For questions regarding our structural services, please email support@creng.solar.

 

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