The RELAY ELECTRICAL GF TESTER LINE TERMINAL COVER by LITTELFUSE INC is an essential component for protecting electrical connections in testing applications. This cover is designed to fit securely over line terminals, safeguarding them from dust, moisture, and accidental contact. Constructed from durable materials, it ensures long-lasting performance and compliance with safety standards. Its compact design allows for easy installation and removal, making it a practical choice for technicians and engineers. This terminal cover is compatible with various relay models, enhancing the reliability of electrical testing setups.