By David Tuck
This can be extra of a publication for somebody first beginning out within the alternate. Their aren't any surprizes the following simply uncomplicated electric understand how.
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Additional info for Electrician's Instant Answers (Instant Answer Series)
38 Electrician’s Instant Answers fastfacts Nonmetallic cable should be stapled to a solid support at minimum intervals of about 54 inches. The cable should also be stapled within 6 to 12 inches of each electrical box. I recommend 6 inches. Remember to always check your local code requirements for specific support intervals. Also, keep wire well out of the range of screws and nails. National code requires 11⁄2 inches from the surface of framing members, I recommend 2 inches or more if possible. Trade Tip: When working with metal studs, you should install bushings prior to pulling wire through the studs.
Don’t use type AC armored cable for wet locations. If you are going to use armored cable in a wet location, use type MC cable. New Construction 35 Don’t Do This! Don’t do a direct-burial installation with type AC armored cable. Type MC cable that is labeled for direct burial can be used as substitute. builder to coordinate your pathways and schedule for installing the underground work. EXTERIOR WIRING Exterior wiring can include anything from wiring for a submersible well pump to walkway lighting.
Twist the wires together and cover the ends with an insulating device such as a wire nut or tape. The covering must be equivalent to the insulation on the conductors. Temporary Wiring 13 ground. 1). On some larger construction sites, the general contractors will set their own black jack poles for temporary power panels to be mounted on. On some work sites the temporary service may be installed on a tree or on the side of the construction trailer if the installation is first approved by the local district supervisor of the power company.