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In NFPA 70, Article 501.5(E), 1 For a Class I Division 2, Terminations - it says cables entering an enclosure required to be explosion proof shall be sealed at the point of entry.   A squirrel cage induction motor with the proper T Code to my understanding is not an arcing or sparking device and can be considered for use in a Class 1 Division 2… (Show more)
in Electrical
Section 110.1 (A) item 4: Type of Training states: "The Training required shall be classroom, on the job or the combination of the two"  My question what is the definition of "classroom".  Does "classroom" means Instructor Led training with a real person and interactive ? Or does it mean that student sit in a room and watch web based training on… (Show more)
in Electrical
I just moved into an older home where many of the outlets are 2-prong only. My brother in law says that replacing the outlet with a 2-wire GFI outlet would meet electrical code and does not require the ground wire. Any comments?
in Electrical
Is 210.52(B)(1) saying the two or more 20 ampere small appliance branch circuits required by 210.11(C)(1) will supply all outlets covered in 210.52(A)? Or does shall serve all wall and floor receptacle outlets covered by 210.52(A) mean something else?
in Electrical
The NEC does not have an article like 625 (electric vehicle charging system) that applies to off-road vehicles, such as electric fork-lifts and golf carts, etc. 625.2 Definitions for electric vehicle, is defined for an on-road type vehicle only. Most modern electric cars are now only ION battery type, which does not require ventilation requirement… (Show more)
in Electrical
I send the electrician gloves and insulated hot sticks, shepherd hooks, rubber blankets and tic tracer handles in for testing.  I was recently asked about testing our 1000V insulated tools.  Can anyone tell me if there is any required testing of a 1000V insulated screwdriver.   
in Electrical
Has anyone heard of QPS Evaluation Services Inc.? They are listed as a Testing, Certification Lab, accredited in USA, Canada, and internationally.   Does NFPA recognize this group as an equivalent to UL?
in Electrical
I just recently installed an UG meter socket and came into a home laterally to (2) 200 amp main breaker panels.  My permit was pulled after 1/1/2020 so I totally understand the new code enforcement of having an emergency Disconnect outside and readily accessible, my question is. Can I change my meter socket which will now include (2) 200… (Show more)
in Electrical
Hello, I am new to this forum/subject and would appreciate for any assistance.  I plan to install power strips in a piece of furniture.  Can I daisy chain one power strip to another strip?  I understand that this is not a safe practice.  But is this violating a specific code? On the other hand I was also told that as long as the plug of the end… (Show more)
in Electrical
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