CMS0305, 3-5' Adjustable Extension Column, Pole
Adjustable 3' to 5' extension column for 1.5" NPT systems, featuring a notched design for incremental height adjustment
The Chief CMS0305 is an adjustable extension column designed to provide flexible height for pole-mounted installations. This 1.5" NPT column is threaded on both ends, allowing for integration with any Chief 1.5" NPT ceiling plate or compatible accessory. It offers a total extension range of 3' to 5' (0.91m - 1.52m), which can be adjusted in 1" increments using a notched design. This notched mechanism allows for precise height adjustments during installation without the need for disassembly. To ensure maximum stability once the desired height is set, the column includes a set screw. This TAA Compliant and UL Listed accessory supports a weight capacity of 500 lbs (226.8 kg). The 60 in (152.4 cm) total height column features a black finish and a 2.3 in (5.8 cm) width and depth.
Specifications are supplied by the manufacturer. For complete details, check the Resources section.Key features
Specifications
Main specifications 8
| Depth | 2.3 in (5.8 cm) |
| Extension | 3' - 5' (0.91m - 1.52m) |
| Height | 60 in (152.4 cm) |
| Overall Dimensions | 60.0" x 2.3" x 2.3" (1524 x 59 x 59 mm) |
| Shipping Weight | 6.3 lbs (2.9 kg) |
| Weight Capacity | 500 lbs (226.8 kg) |
| Width | 2.3 in (5.8 cm) |
| Accessory Type | Extension |
All other specifications 5
| Application | Pole |
| Color | Black |
| TAA Compliant | Yes |
| UPC | 841872092799 |
| Certifications | TAAUL Listed |
Resources
You'll need these with it
Heavy Duty Swivel Adapter
CMA351$164.00
Decorative Ceiling Tile Ring - CPA640
CPA640$17.60
CMA152, Threaded Pipe Coupler
CMA152$45.60
Single Electric Outlet Coupler
CMA502$80.80
1.5 Inch to 1 Inch NPT Adapter
CMA151$29.60
Dual Electric Outlet Coupler
CMA504$106.40
Electrical Storage Enclosure
CMA160$302.40
CMA270 Threaded Pipe Coupler
CMA270$31.20
CMA347, Vibration Isolating Coupler
CMA347$416.00
CMA270W Threaded Pipe Coupler
CMA270W$31.20
CMS261W Column Cut-Off Adapter
CMS261W$42.40
CMS261 Column Cut-Off Adapter
CMS261$42.40
Questions about this part
How can I adjust the height of the CMS0305 column?
The column features a notched design that allows for height adjustments in 1" increments without requiring disassembly of the assembly.
What ceiling plates are compatible with this extension column?
This column can be used in combination with any Chief 1.5" NPT ceiling plate or other compatible 1.5" NPT accessories.
Does the CMS0305 support heavy equipment loads?
Yes, this extension column has a weight capacity of 500 lbs (226.8 kg).
What accessories are available for cable management on this column?
You can use the CMA274 or CMA274W Quick-Snap Cable Covers to manage cabling along the column.
Is this product TAA compliant for government contracts?
Yes, the CMS0305 is TAA Compliant and is UL Listed.