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A Guide to the 2023 National Electrical Safety Code

Cars That Think

The NESC updates better protect workers, the public, and facilities during the installation, operation, and maintenance of power and communications supplies. Rules 234 B1, C1, D1 were revised to better present vertical and horizontal wind clearances, and to coordinate requirements with the new Table 234-7.

C1 87
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Chevy Volt Delivers Novel Two-Motor, Four-Mode Extended Range Electric Drive System; Seamless Driver Experience Plus Efficiency

Green Car Congress

Two of the clutches are used to either lock the ring gear of the planetary gear-set or connect it to the generator/motor depending on the mode. The third clutch connects the internal combustion engine to the generator/motor to provide range extension capability. In this mode, the ring gear is held (locked) by clutch C1.