Attic Junction Box Metal Or Plastic

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Attic junction box metal or plastic. With enough stress plastic boxes will distend. Installing a j box in the attic is easiest if the attic is unfinished and used for nothing more than storage. Ultra strong fireproof and incapable of being melted metal boxes offer the greatest level of security for all electrical wiring applications. Plastic junction boxes have integrated cable clamps usually in the form of little spring tabs that hold the electrical cable snug once it s inserted into the box.

Plastic versus metal junction box is plastic any safer than metal. You can attach them to the joist s side surface called the face or to the. Three wire capped connection in an attic space if that would matter. Junction box mounting locations there are two options for mounting boxes that are wholly contained within the attic.

One very important component is the box where the wire will be installed. Metal electrical boxes were used long before plastic pvc electrical boxes were introduced to the market. Since insulation is combustible you must install face plates on all attic junction boxes to prevent contact between bare wires and insulation materials. When stressed plastic boxes can twist.

By contrast many metal boxes require a separate cable clamp that is secured to the cable and then to the box.