When it comes to 1/8 to 240V AC Square D NQ, NF, ILine Panel Interiors, you can count on Grainger Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 customer supportTransients are diverted away from sensitive micro circuitry, providing protection against catastrophic failure, costly downtime and data disruptions 1/8 Volt 3 Phase WYE Panel Protector, 4Mode Protection, Light Commercial/Residential Grade, In NEMA 1 Enclosure 1/8 panel phase single single phase Discuss 1/8 on single phase panel in the American Professional Electrical Advice Forum area at ElectriciansForumsnet D Dusty Presley Reaction score 0 #1 I'm replacing a timer based contact for a restaurants outdoor building lights, sign, and parking lot lights
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120/208 panel
120/208 panel- Joined 0 Posts #10 phase to phase voltage is found by taking the single phase voltage and multiplying it by 173 1V phase A1v Phase B= 1 X 173= 76 If you really want to know where 173 came from I can find it, I really just remembered the "magic" numberLeg electricalist Senior Member Location dallas tx
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If you have a wild leg then you do not have a 8/1V panel you have a 240V delta panel Voltage on any phase to any other phase is 240V A to B 240V, A to C 240V, B to C 240V, BUT Voltage from B to ground is 8V That is why it is a wild leg, or high leg, or stinger, or bastard son of %$!!Eaton PRL1A3400X42A Panel Board, Interior, PRL1A, 400A, 1/8V, 42 Circuits Panelboard Interior, 400 Amp, 8Y/1V AC, 4Wire, 3Phase, 10 kAIC, 42Space, 42Circuits, Aluminum Bus, Breaker Type BAB Main Breaker/Lug Provision on the Top of the Interior, FeedThrough Provision on Bottom of Interior ***Custom Built for Platt Sales and use with 72" Can & Trim*** *** Item is inService entrance panels combining a main disconnect with a power company metering compartment 400–10 A Controls for up to four elevators in a single panelboard Main circuit breaker 400 A maximum Main lugs only 800 A maximum Branch circuit breakers 225 A maximum Single, two and threepole Branch overcurrent devices 15–0 A fusible
Eaton PRL1A3225X42CS Panel Board, Interior, PRL1A, 225A, 1/8V, 42 Circuits Ctrl C to Copy (Cmd C for Mac) To Email Address Custom Email Address From Name Email Address Message (Optional) Send Email Sent Send Another Share on Twitter Share on Google Share on Facebook You currently have this product in an open order View Order 1/240V is a 240V single phase supply, center tapped to produce a "split phase" with 1V between either side to neutral, and 240V between the two hot lines 1/8V is two phases from a threephase supply There is 1V from either phase to neutral, and 8V between the phases Share Improve this answerVoltage between High leg and Neutral = 1/2 x 2V x √3 = 8V (1Φ) Voltage between two Hot Phases = 1V x 2 = 240V (1Φ) Voltage between three Phases = 240V (3Φ) These are the general setup and may vary and depend on the installation eg neutral wire may be needed for three phase 240V outlets etc
If it says 1/8, then it uses both 1 and 8V internally This means it requires a 4wire connection If you are running it on a 3wire connection, then the neutral and ground are improperly connected together and sharing one wire I have a tenant metering system where the service is 1/8 There is a meter for each tenant that has a CT on each leg and voltage reference to the meter for each leg The common loads panel likely gets a full three phase service Each dwelling unit gets a "single phase" (open wye) service, with staggered pair of phases across the system
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