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Underfloor Power Solutions

Underfloor Power Solutions

Raised floors are still the standard in the data center industry, with power cables running underfloor and data or network cables running overhead.  Because it's the most common data center configuration does that make it right for your data center?  That's hard to say, it is a personal choice with a lot of pros and cons to be considered that should be based on thoughtful consideration.  

 

PDU Cables branch circuit power distribution cables are being installed every day, below a raised floor and overhead with ladder racks and in a cable tray.  

 

To accommodate underfloor power cabling, PDU Cables, offers liquid tight flexible metal conduit (Liquid Tight) in eleven colors as the best choice for underfloor cabling.  You also have your choice of different weather proof receptacle bell boxes, and a broad selection of mounting hardware designed to elevate the receptacles up off the floor and within easy reach of a pulled floor tile.  

 

Cable Types

Liquid Tight Flexible Metal Conduit (LFMC)

Flexible Metal Conduit - (RWS & RWA) - Field Wires

Metal Clad Cables (MC Cables)

SO Cords - Molded Cord Assemblies

 

Device Types

The NEMA (National Electrical Manufacturers Association) pattern and numbering system is made up of four main identifiers. The first identifier can be a blank space or have the letter L. This determines whether it is a straight or locking blade device. The second identifier is a number. The first number in a NEMA listing determines the voltage rating. The third identifier is a number and identifies the amperage rating of the device. The fourth identifier is a letter. This identifier determines whether the device is a plug, P, or a receptacle/outlet, R.

 

Plug & Receptacle Configuration Charts:

NEMA Straight Blade Plugs & Receptacles

NEMA Locking Plugs & Receptacles

 

Russell Stoll Pin & Sleeve Devices

Russell Stoll Thomas & Betts style data center power cable plug and receptacle IBM style

RussellStoll® receptacles (IBM type) are available in box style or in-line connector versions. The housings are corrosion resistant and cast aluminum manufactured. The receptacles are watertight, arc-resistant and constructed with a molded plastic interior.

 

Part Number Receptacle Service Breaker Wire Conduit Inches
Volts AMP Phase P A Quantity Size
IBM A RS 3913 208 20 1 2 20 3 12 AWG .5
IBM A-U1 RS 3913-U1 120 20 1 1 20 3 12 AWG .5
IBM A-U2 RS 3913-U2 208 15 1 2 15 3 12 AWG .5
IBM B RS 3914 208 15 3 3 15 4 12 AWG .5
IBM C RS 3933 208 30 1 2 30 3 10 AWG .5
IBM D RS 3934 208 30 3 3 30 4 10 AWG .5
IBM E RS 7428 208 60 3 3 60 4 6 AWG .75
IBM F RS JCS1034H 208 100 3 3 100 4 3 AWG 1.25

 

IEC Cables Pin & Sleeve Devices

Pin and Sleeve Hubbell Leviton Cooper Arrow Hart are all available for creating custom components.

IEC receptacles are Pin and Sleeve style, watertight, made with rugged nylon housings and color coded by amperage. The shrouding on the IEC devices protects the pins from abuse and are arc-resistant.

 

Part Number Receptacle Service Breaker Wire Conduit Inches
Volts AMP Phase P A Quantity Size
320C6W A3206C6W 250 20 1 2 20 3 12 AWG .5
330C6W 330C6W 250 30 1 2 30 3 10 AWG .5
360C6W A3606C6W 250 60 1 2 60 3 6 AWG .75
420C9W 420C9W 208 20 3 3 20 4 12 AWG .5
430C7W 430C7W 480 30 3 3 30 4 10 AWG .5
430C9W 430C9W 250 30 3 3 30 4 10 AWG .5
460C9VO 460C9VO 208 60 3 3 60 4 6 AWG .75
460C9W 460C9W 208 60 3 3 60 4 6 AWG .75
4100C9W 4100C9 250 100 3 3 100 4 2 AWG 1.25
560C9W 560C9W 208 60 3 3 60 5 6 AWG 1.0
5100C9W 5100C9W 208 100 3 3 100 5 2 AWG 1.25

 

 

NEMA Standard Straight Blade Devices

NEMA National Electrical Manufacturers Association Standard Straight Blade Cable Plug and Receptacle options for Data Center Power Whip supply cords

 

Part Number Receptacle Service Breaker Wire Conduit Inches
Volts AMP Phase P A Quantity Size
515R1* 5261 120 15 1 1 15 3 12 AWG .5
515R2* 5262 120 15 1 1 15 3 12 AWG .5
515R4* 5262 (2) 120 15 1 1 15 3 12 AWG .5
520R1* 5361 120 20 1 1 20 3 12 AWG .5
520R2* 5362 120 20 1 1 20 3 12 AWG .5
520R4* 5362 (2) 120 20 1 1 20 3 12 AWG .5
530R1* 9308 120 30 1 1 30 3 10 AWG .5
550R1 9360 120 50 1 1 50 3 8 AWG .5
615R1* 5661 208 15 1 2 15 3 12 AWG .5
615R2* 5662 208 15 1 2 15 3 12 AWG .5
615R4* 5662 (2) 208 15 1 2 15 3 12 AWG .5
620R1* 5461 208 20 1 2 20 3 12 AWG .5
620R4* 5462 (2) 208 20 1 2 20 3 12 AWG .5
630R1* 9330 208 30 1 2 30 3 10 AWG .5
1420R1 8410 120/208 30 1 2 30 4 12 AWG .5
1430R1 9430 120/208 30 1 2 30 4 10 AWG .5
1450R1* 9450 120/208 50 1 2 50 4 8 AWG .75

*Available with isolated ground. All NEMA Type cable assemblies are available in daisy-chain configurations.

 

NEMA Standard Locking Devices  NEMA Standard Locking cable plug and receptacle for data center under floor power cable assemblies.

Part Number Receptacle Service Breaker Wire Conduit Inches
Volts AMP Phase P A Quantity Size
L515R1* 4710 120 15 1 1 15 3 12 AWG .5
L515R2* 4700 120 15 1 1 15 3 12 AWG .5
L520R1* 2310 120 20 1 1 20 3 12 AWG .5
L530R1* 2610 120 30 1 1 30 3 10 AWG .5
L615R1* 4560 208 15 1 2 15 3 12 AWG .5
L615R2* 4550 208 15 1 2 15 3 12 AWG .5
L620R1* 2320 208 20 1 2 20 3 12 AWG .5
L630R1* 2620 208 30 1 2 30 3 10 AWG .5
L715R1 4760 208 15 1 2 15 3 12 AWG .5
L1420R1* 2410 120/208 20 1 2 20 4 12 AWG .5
L1430R1* 2710 120/208 30 1 2 30 4 10 AWG .5
L1520R1* 2420 208 20 3 3 20 4 12 AWG .5
L1530R1* 2720 208 30 3 3 30 4 10 AWG .5
L2120R1* 2510 208 20 3 3 20 5 12 AWG .5
L2130R1* 2810 208 30 3 3 30 5 10 AWG .5

*Available with isolated ground. All NEMA Type cable assemblies are available in daisy-chain configurations.