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The MERSEN GW15 is a plug fuse designed for overcurrent protection in residential electrical systems. Plug fuses thread directly into Edison-base fuse sockets found in older load centers and fuse panels, interrupting the circuit when current exceeds the rated limit. Licensed electricians and qualified service technicians install this type of fuse as part of routine panel maintenance or fault correction. Its compact, threaded form factor makes it a straightforward replacement in applications where circuit breakers have not been retrofitted.
The GW15 is suited for residential electrical service panels that retain the classic Edison-base fuse socket format. This style of plug fuse is commonly found in older single-family homes and light commercial buildings where the original fuse panel remains in service. Installation typically occurs during panel servicing, circuit fault diagnosis, or scheduled replacement of aging overcurrent protection devices.
Designed as an OEM-style replacement plug fuse for residential Edison-base fuse panels and load centers accepting standard threaded plug fuses.
Plug fuses are installed by licensed electricians in accordance with NFPA 70 (National Electrical Code) requirements. Always shut off or disconnect the main service before servicing a fuse panel to reduce shock hazard. Never replace a fuse with a unit rated above the circuit conductor capacity. Inspect the fuse socket for corrosion or damage before installing the replacement fuse.
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