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What does safety switch suffix ``GL`` represent on a Heavy Duty switch?

``GL`` stands for ``ground lug``. Equipment ground kits are field installable and UL listed in 30-1200A heavy duty switches. For factory installation of equipment ground kit, the suffix ``GL`` is added to the standard catalog number. NOTE: Equipment Ground lugs are already factory installed standard in the 30-200A, F-series NEMA 4X (stainless) and NEMA 12 devices, and in all F-series 4-6 pole switches.

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