They also protect wiring from short circuits. Pro Installer fuse holders’ durable construction allow fuses to run at maximum load. Radiused ends improve cable routing options ANL: for use with 5/16″ (8mm) or 3/8″ (10mm) ANL fuses WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm.