Log in to follow, share, and participate in this community. My current employer requires electrical safety shoes. We have many questions about what that really means. There is a standard from ASTM (F2413-11) but how do you maintain that rating? Do they require daily or before ... Is there a industry excepted definition of a Knowledgeable Person. I am working on updating my EEWP and we are looking into the approval portion and would like to have a knowledgeable person in this pr... I have equipment, an MCC, where the the available fault current is less than 42 kA and the upstream OCPD has a cycle clearing time of less than 2 cycles. Can I then refer to row 1 since the OCPD cycle clearing is... I have a recommended outfit of 20cal pants and jacket (HRC-2) with and additional long 40cal (HRC-4) overcoat. Question is would just a 40 cal HRC-4 suit be suitable or is it additive and need a 60cal suit? Additional... What is the best source to get on an emailing list for weekly, plus or minus, safety topics to use in safety meetings in an electrical industry? Expecially Arc Flash topics but general electrical safety topics are nee... DEFINITION: Exposed - (as applied to energized electrical conductors or circuit parts) Capable of being inadvertently touched or approached nearer than a safe distance by a person. It is applied to electrical conducto... Also if you have multiple VFD's in one cabinet and you are changing one but the rest are powered up would a wok permit be required? According to the NFPA 70E, when are noncontact test instruments permitted to be used to verify absence of voltage in circuits less than 1000 volts? I am being challenged by our work group regarding working on a HV generator set (11kV) that is in close proximity to other operating generators at 11kV within a powerstation. From NFPA-70E Table 130.7(C)(15)(a) ... that establishes nfpa -20 on the electrical supply of the controller for fire pump on the top or the lateral supply of the controller. can you clarify what the nfpa says about it Referring to NFPA 70E Table 130.7(C)(15)(A)(b) - Where is there more info, step-by-step, on how to go through the process in this table? I can't find any links and there's nothing in the annexes for this. I would hope... Imagine being asked to have a look at a piece of equipment that is having some issues or perhaps you might just be doing periodic maintenance and inspections. The equipment could be any number of types but I’ll ... Where in the codes doe it state what kind of sheathing is required for wiring through floor joists? I am going to pick a wire to run 220. I assume that single wires coated with plastic is not to code, when... Does anyone know the history and where (if one exists) for the official definition of "Line Side" and "Load Side"? Countless standards such as the NFPA 70 (NEC), 70E, IEEE 1584, C37.20.2, and even electric equ... We have oil rig Manufacturing warehouse of length 128.12 , width 62.82 and height 13 meters,contractor has proposed vesda air aspirating system, saying that if we install air aspirating d... What has been proposed is to install the ground clusters with a key attached and the lock that key fits installed on the LOTO point. This is in addition to the LOTO for the job. The purpose is to remove th... Hello, my company is promoting a function and we have 4 electric griddles similar to the George foreman type. I was trying to find information on what gage extension cords are needed spanning a length of 75-100 ... Hubble Plug Testing. I have a customer that currently uses a standard probe to test a 220 Hubble (water tight) plug that has been wired in by an electrician at the box/panel. They are testing ... I have a project that takes storm water (not sewage) via gravity flow into an underground storage system (all debris has been removed prior to entering storage). This water will be treated via recirculation using... Can i run power circuit and light circuit in same conduit or trunk of same voltage ?