can u use metal 1900 box residential Use a metal electrical box when metal-sheathed cable (also called armored BX cable) or metal conduit runs in or out of the box. Metal cable and conduit depend on the contact from its metal sheathing to the metal box to complete grounding.
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Metal boxes, especially with romex, are a PITA: more sharp edges, more time to make up, clamps in box etc. The contractor wanted me to talk directly to the H.O. about it so I thought I would see what possible reasons you guys come up with to use and not to use them.
Use a metal electrical box when metal-sheathed cable (also called armored BX cable) or metal conduit runs in or out of the box. Metal cable and conduit depend on the .You can use metal and romex, sometimes it is preferable and even necessary to use metal. Larger switch boxes for instance. Plastic has its place and it gets the job done just fine.
Metal vs. Plastic Electrical Boxes . Most electrical boxes are either metal or plastic. Metal boxes are generally steel, while plastic boxes are PVC or fiberglass. Metal Electrical Boxes . Metal electrical boxes are best for metal .
Metal boxes, especially with romex, are a PITA: more sharp edges, more time to make up, clamps in box etc. The contractor wanted me to talk directly to the H.O. about it so I thought I would see what possible reasons you guys come up with to use and not to use them. Use a metal electrical box when metal-sheathed cable (also called armored BX cable) or metal conduit runs in or out of the box. Metal cable and conduit depend on the contact from its metal sheathing to the metal box to complete grounding. You can use metal and romex, sometimes it is preferable and even necessary to use metal. Larger switch boxes for instance. Plastic has its place and it gets the job done just fine. Metal new work boxes are preferred when using metal-clad cables. These provide better grounding and bonding capabilities. Old work boxes, or retrofit boxes, are used in existing walls where access is limited. These boxes allow you to add new electrical devices without affecting your drywall.
Re: 1900 or handy box Outlet boxes, without mounting brackets, are not intended to mount on studs or joists. They must have a metal or wood brace. The holes in the side and back are not for mounting the box. The center KO, in the back, is for mounting the box with a brace and fixture hickey in overhead locations. Is there any reason why a standard metal 1900 (4"sq) box can't be used outside under a steel canopy? These boxes are galvanized and would let moisture out as called for in 314.15 ('08 NEC here) but I could find no actually damp location listing.
Metal vs. Plastic Electrical Boxes . Most electrical boxes are either metal or plastic. Metal boxes are generally steel, while plastic boxes are PVC or fiberglass. Metal Electrical Boxes . Metal electrical boxes are best for metal-sheathed cable or metal conduit. Weatherproof metal boxes for outdoor use are generally made of aluminum.
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Under "metal boxes" the ones you have identified as "2-gang" are really what is commonly called a "1900" box. This box can be used for many things, but it only becomes a "2-gang" when augmented with a 2-gang device ring. While metal boxes are often preferable for metal stud applications, plastic boxes can be used under certain circumstances. Here are a few important considerations to keep in mind: Check local building codes to ensure plastic boxes are permitted for your specific application. Proper grounding is key. 1900 boxes are 1 5/‘8” deep, they wouldn’t fit unless you use deeper furring strips. I’ve seen Z channel for furring and they use solid insulation. The channel is metal, no warping or bugs to eat the wood.
Metal boxes, especially with romex, are a PITA: more sharp edges, more time to make up, clamps in box etc. The contractor wanted me to talk directly to the H.O. about it so I thought I would see what possible reasons you guys come up with to use and not to use them. Use a metal electrical box when metal-sheathed cable (also called armored BX cable) or metal conduit runs in or out of the box. Metal cable and conduit depend on the contact from its metal sheathing to the metal box to complete grounding. You can use metal and romex, sometimes it is preferable and even necessary to use metal. Larger switch boxes for instance. Plastic has its place and it gets the job done just fine.
Metal new work boxes are preferred when using metal-clad cables. These provide better grounding and bonding capabilities. Old work boxes, or retrofit boxes, are used in existing walls where access is limited. These boxes allow you to add new electrical devices without affecting your drywall. Re: 1900 or handy box Outlet boxes, without mounting brackets, are not intended to mount on studs or joists. They must have a metal or wood brace. The holes in the side and back are not for mounting the box. The center KO, in the back, is for mounting the box with a brace and fixture hickey in overhead locations.
Is there any reason why a standard metal 1900 (4"sq) box can't be used outside under a steel canopy? These boxes are galvanized and would let moisture out as called for in 314.15 ('08 NEC here) but I could find no actually damp location listing.
Metal vs. Plastic Electrical Boxes . Most electrical boxes are either metal or plastic. Metal boxes are generally steel, while plastic boxes are PVC or fiberglass. Metal Electrical Boxes . Metal electrical boxes are best for metal-sheathed cable or metal conduit. Weatherproof metal boxes for outdoor use are generally made of aluminum. Under "metal boxes" the ones you have identified as "2-gang" are really what is commonly called a "1900" box. This box can be used for many things, but it only becomes a "2-gang" when augmented with a 2-gang device ring. While metal boxes are often preferable for metal stud applications, plastic boxes can be used under certain circumstances. Here are a few important considerations to keep in mind: Check local building codes to ensure plastic boxes are permitted for your specific application. Proper grounding is key.
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can u use metal 1900 box residential|electrical boxes for walls