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Table 300. 5 interpretation - Electrician Talk For a given column of Table 300 5 ("minimum cover requirements") there is a potential overlap of the various rows The one that concerns me at present is Column 2 (IMC and RMC conduit) If it's buried in a trench below 2" of concrete or equivalent, but also goes under a parking area in a
Gas station wiring requirements - Electrician Talk NEC 2017 514 8 Underground Wiring ENHANCED CONTENT Fuel spilled in the vicinity of gasoline dispensers seeps into the ground and could migrate into underground electrical conduits Therefore, all conduits installed below the hazardous locations of a motor fuel dispensing facility are required to be sealed within 10 feet of the point of emergence from below grade This boundary seal minimizes
210. 8 (F) Outdoor Sauna 2023NEC - Electrician Talk I am mainly looking for opinions here I feel best leaving GFCI protection installed however in the eyes of the NEC would 210 8 (F) apply since the “outlet” is the heater which is located INSIDE of the structure? This world is held together with tape, glue and hope
80% rule? - Electrician Talk 80% rule applies to continious loads such as motors, lighting or any load expected to be on 3 hours or more A breaker is rated for 100% of the noncontinious load which may include outlets or other small appliances There are fully rated breakers panels that are rated for continious use And will be listed for this application It is a good practice to load branch circuits to a fraction of
NEC 408. 4 requirement - Electrician Talk Hi All, I am new to this forum I am an electrician working in Massachusetts I've dealt with various inspectors interpreting NEC 408 4 - "every circuit and circuit modification must be legibly identified with a clear and specific purpose or use, including sufficient detail to distinguish each
Branch Circuits - Electrician Talk Branch circuits The distinction between a branch circuit and a feeder can be a source of confusion for the Code user The first step in eliminating this confusion is to understand that the NEC defines a branch circuit as “the conductors between the branch-circuit final overcurrent device protecting the circuit and the outlets” (such as receptacles or lights) [Article 100]
Running boards. . . | Electrician Talk There is no definition in the NEC to guide us on this Is a 4'6" height going as crawl or basement? 5?, slab on floor?? etc Running boards are not necessarily required because you may still drill the floor joist- I can't imagine doing that but there it is in B W Art 334 15 (C) In Unfinished Basements and Crawl Spaces
next size up contradiction. . . - Electrician Talk The subject here is going to the next size up circuit breaker for branch circuits Can you explain resolve the following, possible, code-related contradiction please? ( from 2008 Handbook, from the Commentary following 204 4(B), quote: ) "Section 210 19(A) requires that branch-circuit