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Light gray rectangular surge strip with four outlets and a four-foot cord

Tripp Lite

Tripp Lite TLP404 4-outlet surge protector 4 ft 450 joules

SKU CH-7J8Y-9XPTJ MPN TLP404

Four-outlet surge suppressor with 450-joule rating, 4 ft cord and diagnostic LED

  • Outlets4
  • Outlets TypeNEMA 5-15R
  • Cord Length4 Feet
  • Input Voltage120V
  • Voltage Compatibility120V AC
  • Output Amperage Capacity15
  • 4 outlets with NEMA 5-15R receptacles for standard plugs
  • 4 ft cord length provides flexible placement options
  • 450 joules surge suppression rating protects connected equipment
  • EMI/RFI noise filtering reduces electrical interference
  • Diagnostic LED confirms active surge protection status

Compact four-outlet surge strip

The Tripp Lite TLP404 provides four NEMA 5-15R outlets in a light-grey plastic housing. It accepts 120 V AC input and delivers up to 15 A or 1800 W total. A 450-joule suppression rating and 150 V clamping voltage protect connected equipment from line transients.

Keyhole mounting and four-foot cord

Keyhole slots on the back allow wall or under-desk installation without tools. The 4 ft cord with NEMA 5-15P plug reaches nearby sockets while keeping the strip close to gear. A diagnostic LED confirms active protection and a 15 A resettable breaker cuts power during overloads.

Replaces basic power strips without suppression

This unit upgrades plain outlet strips that lack joule-rated surge clamping and EMI/RFI filtering. The jump is worth it when protecting computers, networking gear or home-office electronics from everyday voltage spikes. It does not suit installations needing more than four outlets or higher joule ratings.

Highlights

  • 4 outlets with NEMA 5-15R receptacles for standard plugs
  • 4 ft cord length provides flexible placement options
  • 450 joules surge suppression rating protects connected equipment
  • EMI/RFI noise filtering reduces electrical interference
  • Diagnostic LED confirms active surge protection status

Specifications

BrandTRIPP LITE
SeriesProtect It!
ModelTLP404
Outlets4
Outlets TypeNEMA 5-15R
Cord Length4 Feet
Input Voltage120V
Voltage Compatibility120V AC
Output Amperage Capacity15
Output Watt Capacity1800 Watts
AC Suppression Joule Rating450 joules
Clamping Voltage150 Volts - RMS
Protection ModesFull normal mode (H-N) and common mode (N-G / H-G) line surge suppression
ColorLight Gray
SpecificationTripp Lite ProtectIT 4 Outlets 120V Surge Suppressor - Receptacles: 4 x NEMA 5-15R - 450J
Features4 outlets
4-ft. cord
Surge suppression rating: 450 joules
EMI/RFI noise filtering
15 amp resettable circuit breaker
Diagnostic LED confirms surge protection status
Includes full normal mode (H-N) and common mode (N-G/H-G) line surge suppression
Can accommodate 1 large transformer plug without covering remaining outlets, 2 total transformers
Keyhole supports for wall mounting
Non-Lighted power switch
Unit Dimensions1.20" x 1.85" x 8.10" (H x W x D)
Unit Weight1 lb.
Package ContentsTLP404 surge suppressor
Instruction manual with warranty information
Shipping weight0.68 kg
Package size260 × 102 × 32 mm

Questions about this item

What does the 150 V RMS clamping voltage mean for the 120 V AC circuit?

It limits transient spikes to roughly 150 volts RMS, diverting excess energy above the normal 120 V supply level through full normal and common mode paths.

What mounting option does the keyhole style on the 1.20" x 1.85" x 8.10" housing provide?

Two keyhole slots on the back accept #6 or #8 screws for flush wall or under-desk mounting without brackets.

How do I install the unit so the diagnostic LED correctly confirms surge protection status?

Plug the NEMA 5-15P cord into a grounded 120 V receptacle, press the resettable 15 A breaker if tripped, and verify the LED lights solid green.

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