Product Overview

GE 29701 ConstantColor Mini CMH
70W G8.5 Ceramic Metal Halide
ANSI Code: C139 / M139 | 4200K Cool White
⚠️ Safety & Fixture Warning
Enclosed Fixtures Only: UV radiation hazard. Use only in UL 1573/1598 compliant enclosed fixtures with UV-filtering glass. Not for residential use or open track lighting.
Product Overview
The GE 29701 (CMH70/TC/942/G8.5) is a neutral-cool white specialty lamp delivering 4200K light with a superior 90 CRI. This "Mini" CMH format provides the punch of high-intensity discharge lighting in a compact T4.5/T6 tubular shape, making it the industry standard for high-end retail galleries, boutiques, and architectural spotlights.
Technical Details
| Bulb Shape | TC / T4.5 Tubular |
|---|---|
| Overall Length (MOL) | 3.37" (85.6 mm) |
| Efficacy | 88.6 Lumens/Watt |
| Burn Position | Universal |
| Operating Voltage | 90V AC (Nominal) |
Ballast Compatibility
Requires specific 70W ANSI M139 or C139 Pulse Start Ballasts. Recommended: GE GEMH70 series, Philips Xitanium 70W CMH, or Osram PT-FIT 70. Do not use with M130 (35W) or non-CMH metal halide ballasts.
Applications for 4200K Cool White
Provides a crisp, neutral-cool white light that enhances contrast and visual clarity. Ideal for jewelery displays, art galleries, high-end fashion boutiques, and task-oriented commercial spaces where 3000K warm white is too yellow.
Industry Cross-Reference
- Philips CDM-TC 70W/942 G8.5
- Osram HCI-TC 70/942 NDL PB
- Sylvania MC70TC/U/G8.5/942
- Ushio UM70/G8.5/TC/942
Genuine GE Current ConstantColor™ Series | Precision Lighting Technology