Product Overview
Ushio 1000304 EKB JCD120V-420WC – 420W 120V Halogen Lamp
The Ushio 1000304 EKB JCD120V-420WC is a 420-watt, 120-volt halogen lamp with a 2-Pin Prefocus Base (GY9.5). Ushio lists it with a 75-hour average life and a 3200K color temperature, rated at 11,000 lumens.
This lamp is identified by the EKB lamp code and is listed under Ushio description JCD120V-420WC.
| Wattage 420W Halogen | Voltage 120V Operating | Color Temp 3200K CCT | Lumens 11,000 Initial lm | Rated Life 75 Hrs Average Life |
Product Overview
The Ushio 1000304 is a JCD-series halogen lamp listed in the Halogen Bi-Pin • SSTV & AV section of the Ushio halogen catalog. Per Ushio, this lamp is for use only in approved enclosed halogen fixtures.
Always confirm the lamp code, wattage, voltage, base type, and burn position against your existing lamp or equipment manual before ordering.
Why Choose This Product
- EKB Lamp Code: Helps match the lamp to equipment specified for this lamp code.
- 420W at 120V: Wattage and voltage as published by Ushio for catalog number 1000304.
- Published Output: 11,000 lumens and 3200K color temperature per the Ushio catalog.
- 75-Hour Rated Life: Ushio’s published average life for this lamp.
- GY9.5 Base: 2-Pin Prefocus Base (GY9.5).
- Burn Position: Base Down to Horizontal (BD/Hor).
Technical Specifications
| Brand | Ushio |
| Ushio Catalog Number | 1000304 |
| ANSI / Common Lamp Code | EKB |
| Manufacturer Description | JCD120V-420WC |
| Lamp Series | JCD |
| Catalog Category | Halogen Bi-Pin • SSTV & AV |
| Wattage | 420W |
| Operating Voltage | 120V |
| Color Temperature | 3200K |
| Initial Lumens | 11,000 |
| Rated Average Life | 75 Hours |
| Base Type | 2-Pin Prefocus Base (GY9.5) |
| Filament Type | CC-6 |
| Bulb Finish | Clear |
| Burn Position | Base Down to Horizontal (BD/Hor) |
| Bulb Diameter (A) | 22.0 mm |
| Maximum Overall Length (MOL, B) | 63.0 mm |
| Light Center Length (LCL) (C) | 36.5 mm |
| Manufacturer Case Quantity | 10 |
Compatible Applications
- Fixtures and equipment specified for the EKB JCD120V-420WC lamp
- Equipment in the SSTV & AV category, as listed in the Ushio catalog
- Maintenance replacement where voltage (120V), wattage (420W), base (GY9.5), and burn position all match
- Approved enclosed halogen fixtures only, as required by Ushio
Cross Reference Numbers
- Ushio Catalog Number: 1000304
- ANSI / Common Lamp Code: EKB
- Manufacturer Description: JCD120V-420WC
- Common Search Terms: EKB lamp, EKB JCD120V-420WC, JCD120V-420WC, 420W 120V halogen lamp
Before Ordering Verify
- Voltage: This lamp is rated for 120V operation. Do not install in fixtures requiring a different voltage.
- Wattage: Confirm your equipment is rated for a 420W lamp.
- Base Type: Confirm the socket matches the 2-Pin Prefocus Base (GY9.5).
- Burn Position: Ushio lists this lamp for base down to horizontal (bd/hor) operation; confirm it matches how your fixture holds the lamp.
- Dimensions: Ushio lists a maximum overall length of 63.0 mm and a bulb diameter of 22.0 mm; confirm they fit your fixture.
Important Safety & Installation Notes
- Do Not Touch the Bulb With Bare Hands: Skin oils can create hot spots that may cause premature failure. Use clean gloves or a lint-free cloth.
- Use Approved Fixtures Only: Ushio specifies this lamp for use only in approved enclosed halogen fixtures. Install only in equipment designed for this lamp type, wattage, and voltage.
- Allow Cooling Before Replacement: Let the lamp and fixture cool before handling or replacing.
- Verify Voltage Before Installing: Operating above rated voltage can significantly shorten lamp life or cause lamp failure.
- Disconnect Power: Turn off and disconnect power before installing or removing the lamp.
Wholesale Lighting Supply & Project Support
ADL Supply supports commercial buyers, contractors, maintenance teams, and specialty lighting accounts with replacement lamp sourcing, project quoting, and volume order support.
For wholesale pricing, bulk availability, or help confirming the correct replacement lamp, contact ADL Supply at 1-800-235-3489.
