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The neutral conductor must be identified in accordance with NEC 200.6.

Access to and egress from working space is required at all times, see NEC 110.26.

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Switches and circuit breakers must be capable of being operated from a readily accessible location.

There is no NEC rule to securely fasten in place EMT within a specific distance from a coupling.

300.15 A box must be installed at each conductor splice point, except as permitted by:

All circuit conductors must be installed in the same raceway, see 300.3(B).

The grounding terminal of an isolated ground receptacle must be connected to an insulated EGC.

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NEC Review of a Multiwire Branch Circuit (MWBC)

Getting a new NEC book and tabbing it is the beginning of a new adventure. It's very exciting.

Getting a new NEC book and tabbing it is the beginning of a new adventure. It's very exciting.

A 20A, 120V multiwire branch circuit is perfectly fine to supply the two small-appliance circuits.

For general-purpose applications, a 15A or 20A "duplex receptacle" is permitted on a 20A circuit.

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When a new panelboard that contains equipment grounding conductors is installed... 110.3(B), 408.40.

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There is confusion about the NEC bonding requirements for Metal Gas Piping Systems. MikeHolt.com/GAS

Conductor splicing connectors must be identified, installed, and used per instructions.

Let's review the NEC rules related to installing cables in a PVC raceway underground.

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A bonding jumper from the receptacle grounding terminal to the metal box is not required if:

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Bonding jumper is not required for self-grounding receptacles.

# receptacles permitted on a general-purpose circuit.

The NEC does not limit the number of lighting or receptacle outlets on a general-purpose circuit.

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110.13(A) Electrical equipment shall be firmly secured to the surface on which it is mounted.

Splices in an LB are permitted if the conductor volume doesn't exceed the conduit body volume.

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There is no minimum conductor bending radius 'requirement' in NEC or wire manufacturer instructions.

NM Cables (Romex) must be sized to the 60C column of Table 310.16 as required by 334.80.

The number of EGCs permitted on a ground bar is based on the manufacturer instructions and 110.14(A)

See 250.97 for bonding jumpers for a metal raceway containing feeder/branch circuits.

See 250.97 for bonding jumpers for a metal raceway containing feeder/branch circuits.

GFCI protection is NOT required for HVAC equipment, including heatpumps for swimming pools and spas.

Maximum Raceway Length? Except for elevators, the NEC does not limit the length of a raceway.

Per industry standards, breakers are calibrated to perform at an ambient temperature of 40°C.

Equipment Grounding is a very complicated theory concept to understand.

Neutral-to-ground bond at services and sub-panels explained.

Electrical equipment must be installed in a professional and skillful manner.

Unused openings on electrical equipment must be closed to afford protection.

A non-separately derived generator does not need a ground rod, watch MikeHolt.com/Fundamentals

Flush-mounted boxes in noncombustible or combustible material. NEC 314.20