For safer fuse installation and operation, consider using a Traveller 12-Gauge Mini Heavy-Duty Fuse Holder with Cover. This in-line fuse holder helps keep your fuse protected with its durable, heat-resistant molded thermoplastic body. A rubber cover is also included with the fuse holder to offer further protection against harsh environments. Meanwhile, tin-plated copper contacts help prevent corrosion. And with pre-crimped wire leads, this fuse holder allows for simple setup. It's compatible with Mini Fuse 5-30A fuses and features (2) 4 in. wire leads of 12-gauge orange wire. Satisfaction guaranteed.