What is code or common rule when securing multiple electrical lines?

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You asked several questions and you have a lot of responses here but I am hoping to more specifically answer your questions:

What is common practice or code when running new electrical lines in a home(15 amp/20 amp) in a basement that feed up to the 1st and 2nd floor of a home?

This question is quite vague and I am assuming you are using Type NM cable. The Code compliant practice is to secure them properly and install them in a "neat and workmanlike manner" according to Article 334 of the National Electrical Code. Iggy gave you the section of Article 334 regarding securing and support and some examples of NM cable staples.

Is there a rule on how many wires can be run down the same floor joist overhead? In other words, If I need to run 10 new 15amp/20amp lines, can they bunched together and secured to the floor joist overhead safely, or is there a rule on how many cables can be together?

Short answer: No there is no limit to the number of wires that...

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Electrical codes are in place to protect you, the homeowner. These general guidelines apply to new installations and remodels and will give you the basics of what electrical inspectors are looking for. Be sure to check with your local building department because local codes may vary from the recommendations here. Most local codes follow the National Electrical Code (NEC), but there can be variances, and the local code always takes precedence.

Bathrooms

Bathrooms use a lot of power and may need more than one circuit. The outlets, or receptacles, must have a 20-amp circuit. The same circuit can supply the entire bathroom, provided there are no heaters (including vent fans with built-in heaters) and the circuit serves only a single bathroom and no other areas. Alternatively, there should be a 20-amp circuit for the receptacles only, plus a 15- or 20-amp circuit for the lighting. Vent fans with built-in heaters must be on their own dedicated 20-amp circuits. All...

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All Rules rule setThis rule set contains all rules. Running this rule set may result in a large number of warnings being reported. Use this rule set to get a comprehensive picture of all issues in your code. This can help you decide which of the more focused rule sets are most appropriate to run for your projects.Basic Correctness Rules rule set for managed codeThese rules focus on logic errors and common mistakes made in the usage of framework APIs. Include this rule set to expand on the list of warnings reported by the minimum recommended rules.Basic Design Guideline Rules rule set for managed codeThese rules focus on enforcing best practices to make your code easy to understand and use. Include this rule set if your project includes library code or if you want to enforce best practices for easily maintainable code.Extended Correctness Rules rule set for managed codeThese rules expand on the basic correctness rules to maximize the logic and framework usage errors that are reported....
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A safe work environment is not always enough to control all potential electrical hazards. You must be very cautious and work safely. Safety rules help you control your and others risk of injury or death from workplace hazards.

If you are working on electrical circuits or with electrical tools and equipment, you need to use following golden safety rules:


21 Golden Safety Rules

Rule no. 1

Avoid contact with energized electrical circuits. Please don’t make fun of this rule if you already know this (and you probably already know if you are reading these lines) and remember that if something bad occurs – you probably won’t have second chance. That’s not funny.

Rule no. 2

Treat all electrical devices as if they are live or energized. You never know.

Rule no. 3

Disconnect the power source before servicing or repairing electrical equipment.

The only way to be sure.

Rule no. 4

Use only tools and equipment...

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The National Electrical Code, 2008 edition

The National Electrical Code (NEC), or NFPA 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment in the United States. It is part of the National Fire Codes series published by the National Fire Protection Association (NFPA), a private trade association.[1] Despite the use of the term "national", it is not a federal law. It is typically adopted by states and municipalities in an effort to standardize their enforcement of safe electrical practices.[2] In some cases, the NEC is amended, altered and may even be rejected in lieu of regional regulations as voted on by local governing bodies.

The "authority having jurisdiction" inspects for compliance with these minimum standards.[3][4]

Background[edit]

The NEC is developed by NFPA's Committee on the National Electrical Code, which consists of 19 (20 in 2008) code-making panels and a technical correlating committee....

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