Bonding and grounding only work if you have a continuous ________ connection.

The correct answer, a continuous metal-to-metal connection, is essential for effective bonding and grounding in hazardous environments. Bonding and grounding are safety measures that ensure electrical charges are safely discharged to the ground, preventing sparks that could ignite flammable materials.

A continuous metal-to-metal connection allows electric charges to flow freely. This ensures that any accumulated static electricity on equipment or personnel can be redirected safely to the ground, minimizing the risk of electric shock or explosion. It’s crucial in hazardous waste operations, where flammable vapors and materials are often present, to prevent any static discharge that could lead to a fire or explosion.

In contrast, connections that involve air or incomplete metallic connections may introduce resistance and disrupt the safe discharge of electricity, thereby failing in their safety function. Therefore, maintaining a continuous metal-to-metal connection is fundamental for effective and reliable bonding and grounding in environments where hazardous materials are handled.